Cypress Computer Hardware STK11C68 5 User Manual

STK11C68-5 (SMD5962-92324)  
64 Kbit (8K x 8) SoftStore nvSRAM  
Features  
Functional Description  
35 ns, 45 ns, and 55 ns access times  
Pin compatible with industry standard SRAMs  
Software initiated nonvolatile STORE  
Unlimited Read and Write endurance  
Automatic RECALL to SRAM on power up  
Unlimited RECALL cycles  
The Cypress STK11C68-5 is a 64 Kb fast static RAM with a  
nonvolatile element in each memory cell. The embedded  
nonvolatile elements incorporate QuantumTrap technology to  
produce the world’s most reliable nonvolatile memory. The  
SRAM provides unlimited read and write cycles, while  
independent nonvolatile data resides in the highly reliable  
QuantumTrap cell. Data transfers under software control from  
SRAM to the nonvolatile elements (the STORE operation). On  
power up, data is automatically restored to the SRAM (the  
RECALL operation) from the nonvolatile memory. RECALL  
operations are also available under software control.  
1,000,000 STORE cycles  
100 year data retention  
Single 5V ± 10% operation  
Military temperature  
28-pin (300 mil) CDIP and 28-pad LCC packages  
Logic Block Diagram  
V
V
CC  
CAP  
Quantum Trap  
128 X 512  
A5  
POWER  
STORE  
CONTROL  
A6  
A7  
RECALL  
STORE/  
RECALL  
STATIC RAM  
A8  
HSB  
ARRAY  
128 X 512  
CONTROL  
A9  
A11  
A12  
SOFTWARE  
DETECT  
A0  
-A12  
DQ0  
COLUMN I/O  
DQ1  
DQ2  
DQ3  
COLUMN DEC  
DQ4  
DQ5  
A0  
A4  
A10  
A1  
A3  
A2  
DQ6  
DQ7  
OE  
CE  
WE  
Cypress Semiconductor Corporation  
Document Number: 001-51001 Rev. *A  
198 Champion Court  
San Jose, CA 95134-1709  
408-943-2600  
Revised April 07, 2009  
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STK11C68-5 (SMD5962-92324)  
The software sequence is clocked with CE controlled Reads.  
When the sixth address in the sequence is entered, the STORE  
cycle commences and the chip is disabled. It is important that  
Read cycles and not Write cycles are used in the sequence. It is  
not necessary that OE is LOW for a valid sequence. After the  
Device Operation  
The STK11C68-5 is a versatile memory chip that provides  
several modes of operation. The STK11C68-5 can operate as a  
standard 8K x 8 SRAM. It has an 8K x 8 Nonvolatile Elements  
shadow to which the SRAM information can be copied or from  
which the SRAM can be updated in nonvolatile mode.  
t
cycle time is fulfilled, the SRAM is again activated for  
Read and Write operation.  
STORE  
Software RECALL  
SRAM Read  
Data is transferred from the nonvolatile memory to the SRAM by  
a software address sequence. A software RECALL cycle is  
initiated with a sequence of Read operations in a manner similar  
to the software STORE initiation. To initiate the RECALL cycle,  
the following sequence of CE controlled Read operations is  
performed:  
The STK11C68-5 performs a Read cycle whenever CE and OE  
are LOW while WE is HIGH. The address specified on pins A  
0–12  
determines the 8,192 data bytes accessed. When the Read is  
initiated by an address transition, the outputs are valid after a  
delay of t (Read cycle 1). If the Read is initiated by CE or OE,  
AA  
the outputs are valid at t  
or at t  
, whichever is later (Read  
ACE  
DOE  
1. Read address 0x0000, Valid READ  
2. Read address 0x1555, Valid READ  
3. Read address 0x0AAA, Valid READ  
4. Read address 0x1FFF, Valid READ  
5. Read address 0x10F0, Valid READ  
6. Read address 0x0F0E, Initiate RECALL cycle  
cycle 2). The data outputs repeatedly respond to address  
changes within the t access time without the need for  
transitions on any control input pins. They remain valid until  
another address change or until CE or OE is brought HIGH, or  
WE is brought LOW.  
AA  
SRAM Write  
Internally, RECALL is a two step procedure. First, the SRAM data  
is cleared; then, the nonvolatile information is transferred into the  
A Write cycle is performed whenever CE and WE are LOW. The  
address inputs must be stable before entering the Write cycle  
and must remain stable until either CE or WE goes HIGH at the  
SRAM cells. After the t  
cycle time, the SRAM is again  
RECALL  
ready for Read and Write operations. The RECALL operation  
does not alter the data in the nonvolatile elements. The  
nonvolatile data can be recalled an unlimited number of times.  
end of the cycle. The data on the common I/O pins DQ  
are  
0–7  
written into the memory if it has valid t . This is done before the  
SD  
end of a WE controlled Write or before the end of an CE  
controlled Write. Keep OE HIGH during the entire Write cycle to  
avoid data bus contention on common I/O lines. If OE is left LOW,  
Hardware RECALL (Power Up)  
internal circuitry turns off the output buffers t  
LOW.  
after WE goes  
During power up or after any low power condition (V  
<
HZWE  
CC  
V
), an internal RECALL request is latched. When V  
RESET  
CC  
once again exceeds the sense voltage of V  
cycle is automatically initiated and takes t  
, a RECALL  
to complete.  
SWITCH  
Software STORE  
HRECALL  
If the STK11C68-5 is in a Write state at the end of power up  
RECALL, the SRAM data is corrupted. To help avoid this  
situation, a 10 Kohm resistor is connected either between WE  
Data is transferred from the SRAM to the nonvolatile memory by  
a software address sequence. The STK11C68-5 software  
STORE cycle is initiated by executing sequential CE controlled  
Read cycles from six specific address locations in exact order.  
During the STORE cycle, an erase of the previous nonvolatile  
data is first performed followed by a program of the nonvolatile  
elements. When a STORE cycle is initiated, input and output are  
disabled until the cycle is completed.  
and system V or between CE and system V  
.
CC  
CC  
Hardware Protect  
The STK11C68-5 offers hardware protection against inadvertent  
STORE operation and SRAM Writes during low voltage  
Because a sequence of Reads from specific addresses is used  
for STORE initiation, it is important that no other Read or Write  
accesses intervene in the sequence. If they intervene, the  
sequence is aborted and no STORE or RECALL takes place.  
conditions. When V  
operations and SRAM Writes are inhibited.  
< V  
, all externally initiated STORE  
CAP  
SWITCH  
Noise Considerations  
To initiate the software STORE cycle, the following Read  
sequence is performed:  
The STK11C68-5 is a high speed memory. It must have a high  
frequency bypass capacitor of approximately 0.1 µF connected  
1. Read address 0x0000, Valid READ  
2. Read address 0x1555, Valid READ  
3. Read address 0x0AAA, Valid READ  
4. Read address 0x1FFF, Valid READ  
5. Read address 0x10F0, Valid READ  
6. Read address 0x0F0F, Initiate STORE cycle  
between V and V  
as possible. As with all high speed CMOS ICs, careful routing of  
power, ground, and signals reduce circuit noise.  
using leads and traces that are as short  
CC  
SS,  
Document Number: 001-51001 Rev. *A  
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STK11C68-5 (SMD5962-92324)  
Figure 4. Current Versus Cycle Time (Write)  
Low Average Active Power  
CMOS technology provides the STK11C68-5 the benefit of  
drawing significantly less current when it is cycled at times longer  
than 50 ns. Figure 3 and Figure 4 shows the relationship  
between I and Read or Write cycle time. Worst case current  
CC  
consumption is shown for both CMOS and TTL input levels  
(commercial temperature range, VCC = 5.5V, 100% duty cycle  
on chip enable). Only standby current is drawn when the chip is  
disabled. The overall average current drawn by the STK11C68-5  
depends on the following items:  
Duty cycle of chip enable  
Overall cycle rate for accesses  
Ratio of Reads to Writes  
CMOS versus TTL input levels  
Operating temperature  
Best Practices  
Cypress nvSRAM products have been used effectively for over  
15 years. While ease of use is one of the product’s main system  
values, the experience gained from working with hundreds of  
applications has resulted in the following suggestions as best  
practices:  
V  
CC  
level  
The nonvolatile cells in an nvSRAM are programmed on the  
test floor during final test and quality assurance. Incoming  
inspection routines at customer or contract manufacturer’s  
sites sometimes reprograms these values. Final NV patterns  
are typically repeating patterns of AA, 55, 00, FF, A5, or 5A.  
The end product’s firmware must not assume that an NV array  
is in a set programmed state. Routines that check memory  
content values to determine first time system configuration.  
I/O loading  
Figure 3. Current Versus Cycle Time (Read)  
Cold or warm boot status, and so on must always program a  
unique NV pattern (for example, complex 4-byte pattern of 46  
E6 49 53 hex or more random bytes) as part of the final system  
manufacturing test. This is to ensure these system routines  
work consistently.  
Table 1. Hardware Mode Selection  
CE  
WE  
A12–A0  
Mode  
I/O  
Notes  
L
H
0x0000  
0x1555  
0x0AAA  
0x1FFF  
0x10F0  
0x0F0F  
Read SRAM  
Read SRAM  
Read SRAM  
Read SRAM  
Read SRAM  
Output Data  
Output Data  
Output Data  
Output Data  
Output Data  
Output High Z  
Nonvolatile STORE  
L
H
0x0000  
0x1555  
0x0AAA  
0x1FFF  
0x10F0  
0x0F0E  
Read SRAM  
Read SRAM  
Read SRAM  
Read SRAM  
Read SRAM  
Output Data  
Output Data  
Output Data  
Output Data  
Output Data  
Output High Z  
Nonvolatile RECALL  
Note  
1. The six consecutive addresses must be in the order listed. WE must be high during all six consecutive CE controlled cycles to enable a nonvolatile cycle.  
Document Number: 001-51001 Rev. *A  
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STK11C68-5 (SMD5962-92324)  
Voltage on DQ  
...................................–0.5V to Vcc + 0.5V  
Maximum Ratings  
0-7  
Power Dissipation ......................................................... 1.0W  
DC Output Current (1 output at a time, 1s duration).... 15 mA  
Exceeding maximum ratings may shorten the useful life of the  
device. These user guidelines are not tested.  
Storage Temperature ................................. –65°C to +150°C  
Temperature under bias.............................. –55°C to +125°C  
Operating Range  
Ambient  
Supply Voltage on V Relative to GND ..........–0.5V to 7.0V  
Range  
Military  
V
CC  
CC  
Temperature  
Voltage on Input Relative to Vss............0.6V to V + 0.5V  
CC  
-55°C to +125°C  
4.5V to 5.5V  
DC Electrical Characteristics  
Over the operating range (V = 4.5V to 5.5V)  
CC  
Parameter  
Description  
Average V Current  
Test Conditions  
Min  
Max  
Unit  
I
t
t
t
= 35 ns  
= 45 ns  
= 55 ns  
75  
65  
55  
mA  
mA  
mA  
CC1  
CC  
RC  
RC  
RC  
Dependent on output loading and cycle rate. Values obtained  
without output loads. I = 0 mA  
OUT  
I
I
Average V Current  
during STORE  
All Inputs Do Not Care, V = Max  
3
mA  
mA  
CC2  
CC  
CC  
Average current for duration t  
STORE  
Average V Current at  
10  
WE > (V – 0.2V). All other inputs cycling.  
CC3  
CC  
CC  
t
= 200 ns, 5V, 25°C  
Dependent on output loading and cycle rate. Values obtained  
without output loads.  
RC  
Typical  
V
Standby Current  
24  
21  
20  
mA  
mA  
mA  
I
I
t
t
t
= 35 ns, CE > V  
= 45 ns, CE > V  
= 55 ns, CE > V  
CC  
SB1  
RC  
RC  
RC  
IH  
IH  
IH  
(Standby, Cycling TTL  
Input Levels)  
V
Standby Current  
1500  
μA  
CE > (V – 0.2V). All others V < 0.2V or > (V – 0.2V).  
CC  
SB2  
CC  
IN  
CC  
Standby current level after nonvolatile cycle is complete.  
Inputs are static. f = 0 MHz  
I
I
Input Leakage Current  
V
V
= Max, V < V < V  
CC  
-1  
-5  
+1  
+5  
μA  
μA  
IX  
CC  
SS  
IN  
Off State Output  
Leakage Current  
= Max, V < V < V , CE or OE > V or WE < V  
IL  
OZ  
CC  
SS  
IN  
CC  
IH  
V
V
V
V
Input HIGH Voltage  
Input LOW Voltage  
Output HIGH Voltage  
Output LOW Voltage  
2.2  
V
+ 0.5  
CC  
V
V
V
V
IH  
V
– 0.5  
SS  
0.8  
IL  
I
I
= –4 mA  
= 8 mA  
2.4  
OH  
OL  
OUT  
0.4  
OUT  
Data Retention and Endurance  
Parameter  
Description  
Min  
Unit  
Years  
K
DATA  
Data Retention  
100  
R
NV  
Nonvolatile STORE Operations  
1,000  
C
Capacitance  
In this table, the capacitance parameters are listed.  
Parameter  
Description  
Input Capacitance  
Output Capacitance  
Test Conditions  
Max  
8
Unit  
pF  
C
T = 25°C, f = 1 MHz,  
CC  
IN  
A
V
= 0 to 3.0V  
C
7
pF  
OUT  
Note  
2. CE > V does not produce standby current levels until any nonvolatile cycle in progress has timed out.  
IH  
3. These parameters are guaranteed by design and are not tested.  
Document Number: 001-51001 Rev. *A  
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STK11C68-5 (SMD5962-92324)  
Thermal Resistance  
In this table, the thermal resistance parameters are listed.  
Parameter  
Description  
Test Conditions  
28-CDIP 28-LCC  
Unit  
ΘJA  
Thermal Resistance  
(Junction to Ambient)  
Test conditions follow standard test methods and proce-  
dures for measuring thermal impedance, per EIA /  
JESD51.  
TBD  
TBD  
°C/W  
ΘJC  
Thermal Resistance  
(Junction to Case)  
TBD  
TBD  
°C/W  
Figure 5. AC Test Loads  
R1 480Ω  
5.0V  
Output  
R2  
30 pF  
255Ω  
AC Test Conditions  
Input Pulse Levels....................................................0V to 3V  
Input Rise and Fall Times (10% to 90%)...................... <5 ns  
Input and Output Timing Reference Levels.................... 1.5V  
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STK11C68-5 (SMD5962-92324)  
AC Switching Characteristics  
SRAM Read Cycle  
Parameter  
35 ns  
45 ns  
55 ns  
Description  
Unit  
Cypress  
Parameter  
Alt  
Min  
Max  
Min  
Max  
Min  
Max  
t
t
Chip Enable Access Time  
Read Cycle Time  
35  
45  
55  
ns  
ns  
ACE  
ELQV  
t
t
35  
45  
55  
t
AVAV,  
ELEH  
RC  
[5]  
t
Address Access Time  
35  
15  
45  
20  
55  
35  
ns  
t
t
AVQV  
AA  
t
t
Output Enable to Data Valid  
ns  
ns  
DOE  
OHA  
GLQV  
AXQX  
Output Hold After Address Change  
5
5
5
5
5
5
t
t
t
t
t
t
t
[6]  
[6]  
t
t
t
t
t
t
Chip Enable to Output Active  
Chip Disable to Output Inactive  
Output Enable to Output Active  
Output Disable to Output Inactive  
Chip Enable to Power Active  
Chip Disable to Power Standby  
ns  
ns  
ns  
ns  
ns  
ns  
ELQX  
LZCE  
HZCE  
LZOE  
HZOE  
13  
13  
35  
15  
15  
45  
25  
25  
55  
EHQZ  
0
0
0
0
0
0
GLQX  
GHQZ  
ELICCH  
EHICCL  
PU  
PD  
Switching Waveforms  
[4, 5]  
Figure 6. SRAM Read Cycle 1: Address Controlled  
W5&  
$''5(66  
W$$  
W2+$  
'4ꢌꢊ'$7$ꢌ287ꢋ  
'$7$ꢌ9$/,'  
[4]  
Figure 7. SRAM Read Cycle 2: CE and OE Controlled  
W5&  
$''5(66  
&(  
W$&(  
W3'  
W+=&(  
W/=&(  
2(  
W+=2(  
W'2(  
W/=2(  
'4ꢌꢊ'$7$ꢌ287ꢋ  
'$7$ꢌ9$/,'  
$&7,9(  
W38  
67$1'%<  
,&&  
Notes  
4. WE must be High during SRAM Read cycles.  
5. I/O state assumes CE and OE < V and WE > V ; device is continuously selected.  
IL  
IH  
6. Measured ± 200 mV from steady state output voltage.  
Document Number: 001-51001 Rev. *A  
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STK11C68-5 (SMD5962-92324)  
SRAM Write Cycle  
Parameter  
35 ns  
45 ns  
55 ns  
Description  
Write Cycle Time  
Unit  
Cypress  
Alt  
Min  
Max  
Min  
Max  
Min  
Max  
Parameter  
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
35  
25  
25  
12  
0
45  
30  
30  
15  
0
55  
45  
45  
30  
0
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
WC  
PWE  
SCE  
SD  
AVAV  
t
Write Pulse Width  
WLWH, WLEH  
t
Chip Enable To End of Write  
Data Setup to End of Write  
Data Hold After End of Write  
Address Setup to End of Write  
Address Setup to Start of Write  
Address Hold After End of Write  
Write Enable to Output Disable  
ELWH, ELEH  
t
DVWH, DVEH  
t
HD  
WHDX, EHDX  
t
25  
0
30  
0
45  
0
AW  
SA  
AVWH, AVEH  
t
AVWL, AVEL  
t
0
0
0
HA  
WHAX, EHAX  
[6,7]  
[6]  
13  
15  
35  
t
t
WLQZ  
WHQX  
HZWE  
LZWE  
t
Output Active After End of Write  
5
5
5
ns  
Switching Waveforms  
Figure 8. SRAM Write Cycle 1: WE Controlled  
tWC  
ADDRESS  
CE  
tHA  
tSCE  
tAW  
tSA  
tPWE  
WE  
tHD  
tSD  
DATA VALID  
DATA IN  
tHZWE  
tLZWE  
HIGH IMPEDANCE  
PREVIOUS DATA  
DATA OUT  
[7, 8]  
Figure 9. SRAM Write Cycle 2: CE and OE Controlled  
tWC  
ADDRESS  
tHA  
tSCE  
tSA  
CE  
WE  
tAW  
tPWE  
tSD  
tHD  
DATA IN  
DATA VALID  
HIGH IMPEDANCE  
DATA OUT  
Notes  
7. If WE is Low when CE goes Low, the outputs remain in the high impedance state.  
8.  
CE or WE must be greater than V during address transitions.  
IH  
Document Number: 001-51001 Rev. *A  
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STK11C68-5 (SMD5962-92324)  
AutoStore INHIBIT or Power Up RECALL  
STK11C68-5  
Unit  
Parameter  
Alt  
Description  
Power up RECALL Duration  
Min  
Max  
t
t
550  
μs  
t
t
RESTORE  
HRECALL  
STORE Cycle Duration  
Low Voltage Trigger Level  
Low Voltage Reset Level  
10  
4.5  
3.6  
ms  
V
STORE  
HLHZ  
V
V
4.0  
SWITCH  
V
RESET  
Figure 10. AutoStore INHIBIT/Power Up RECALL  
VCC  
5V  
VSWITCH  
VRESET  
STORE INHIBIT  
POWER-UP RECALL  
t
HRECALL  
DQ (DATA OUT)  
POWER-UP  
RECALL  
BROWN OUT  
STORE INHIBIT  
BROWN OUT  
STORE INHIBIT  
BROWN OUT  
STORE INHIBIT  
NO RECALL  
NO RECALL  
RECALL WHEN  
(V DID NOT GO  
(V DID NOT GO  
V
RETURNS  
CC  
CC  
CC  
BELOW V  
)
BELOW V  
)
ABOVE V  
RESET  
RESET  
SWITCH  
Notes  
9.  
t
starts from the time V rises above V  
.
SWITCH  
HRECALL  
CC  
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STK11C68-5 (SMD5962-92324)  
Software Controlled STORE/RECALL Cycle  
The software controlled STORE/RECALL cycle follows.  
35 ns  
45 ns  
Max  
55 ns  
Max  
Parameter  
Alt  
Description  
Unit  
Min  
Max  
Min  
45  
0
Min  
55  
0
t
t
t
t
t
t
t
STORE/RECALL Initiation Cycle Time  
Address Setup Time  
35  
0
ns  
ns  
RC  
AVAV  
AVEL  
SA  
CW  
t
t
Clock Pulse Width  
Address Hold Time  
RECALL Duration  
25  
20  
30  
20  
35  
20  
ns  
ns  
μs  
ELEH  
ELAX  
HACE  
20  
20  
20  
RECALL  
Switching Waveform  
Figure 11. CE Controlled Software STORE/RECALL Cycle  
tRC  
tRC  
ADDRESS # 1  
ADDRESS # 6  
ADDRESS  
tSA  
tSCE  
CE  
tHACE  
OE  
t
STORE / tRECALL  
HIGH IMPEDANCE  
DATA VALID  
DATA VALID  
DQ (DATA)  
Notes  
10. The software sequence is clocked on the falling edge of CE without involving OE (double clocking aborts the sequence).  
11. The six consecutive addresses must be read in the order listed in Table 1 on page 4. WE must be HIGH during all six consecutive cycles.  
Document Number: 001-51001 Rev. *A  
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STK11C68-5 (SMD5962-92324)  
Part Numbering Nomenclature  
STK11C68 - 5 C 45 M  
Temperature Range:  
M - Military (-55 to 125°C)  
Speed:  
35 - 35 ns  
45 - 45 ns  
55 - 55 ns  
Package:  
C = Ceramic 28-pin 300 mil DIP (gold lead finish)  
K = Ceramic 28-pin 300 mil DIP (Solder dip finish)  
L = Ceramic 28-pin LLC  
Retention / Endurance  
5 = Military (10 years or 105 cycles)  
SMD5962-92324 04 MX X  
Lead Finish  
A = Solder DIP lead finish  
C = Gold lead DIP finish  
X = Lead finish “A” or “C” is acceptable  
Case Outline  
X = Ceramic 28-pin 300 mil DIP  
Y = Ceramic 28-pin LLC  
Device Class Indicator - Class M  
Device Type:  
04 = 55 ns  
05 = 45 ns  
06 = 35 ns  
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STK11C68-5 (SMD5962-92324)  
Ordering Information  
Speed (ns)  
Ordering Code  
Package Diagram  
001-51695  
001-51695  
001-51696  
001-51695  
001-51695  
001-51696  
001-51695  
001-51695  
001-51696  
Package Type  
28-Pin CDIP (300 mil)  
28-Pin CDIP (300 mil)  
28-Pin LCC (350 mil)  
28-Pin CDIP (300 mil)  
28-Pin CDIP (300 mil)  
28-Pin LCC (350 mil)  
28-Pin CDIP (300 mil)  
28-Pin CDIP (300 mil)  
28-Pin LCC (350 mil)  
Operating Range  
35  
STK11C68-5C35M  
STK11C68-5K35M  
STK11C68-5L35M  
STK11C68-5C45M  
STK11C68-5K45M  
STK11C68-5L45M  
STK11C68-5C55M  
STK11C68-5K55M  
STK11C68-5L55M  
Military  
45  
55  
This table contains Final information. Contact your local Cypress sales representative for availability of these parts.  
Document Number: 001-51001 Rev. *A  
Page 12 of 15  
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STK11C68-5 (SMD5962-92324)  
Package Diagrams  
Figure 12. 28-Pin (300-Mil) Side Braze DIL (001-51695)  
001-51695 **  
Document Number: 001-51001 Rev. *A  
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STK11C68-5 (SMD5962-92324)  
Package Diagrams (continued)  
Figure 13. 28-Pad (350-Mil) LCC (001-51696)  
1. ALL DIMENSION ARE IN INCHES AND MILLIMETERS [MIN/MAX]  
2. JEDEC 95 OUTLINE# MO-041  
3. PACKAGE WEIGHT : TBD  
001-51696 **  
Document Number: 001-51001 Rev. *A  
Page 14 of 15  
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STK11C68-5 (SMD5962-92324)  
Document History Page  
Document Title: STK11C68-5 (SMD5962-92324) 64 Kbit (8K x 8) SoftStore nvSRAM  
Document Number: 001-51001  
Submission  
Rev.  
ECN No. Orig. of Change  
Description of Change  
Date  
**  
2666844  
2685053  
GVCH/PYRS  
GVCH  
03/02/09  
New data sheet  
*A  
04/07/2009 Added part numbers: STK11C68-5K45M and STK11C68-5K55M  
Sales, Solutions, and Legal Information  
Worldwide Sales and Design Support  
Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office  
closest to you, visit us at cypress.com/sales.  
Products  
PSoC  
PSoC Solutions  
General  
Clocks & Buffers  
Wireless  
Low Power/Low Voltage  
Precision Analog  
LCD Drive  
Memories  
Image Sensors  
CAN 2.0b  
USB  
© Cypress Semiconductor Corporation, 2009. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any  
circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical,  
life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical  
components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems  
application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.  
Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign),  
United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of,  
and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress  
integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without  
the express written permission of Cypress.  
Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES  
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not  
assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where  
a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer  
assumes all risk of such use and in doing so indemnifies Cypress against all charges.  
Use may be limited by and subject to the applicable Cypress software license agreement.  
Document Number: 001-51001 Rev. *A  
Revised April 07, 2009  
Page 15 of 15  
AutoStore and QuantumTrap are registered trademarks of Cypress Semiconductor Corporation. All products and company names mentioned in this document may be the trademarks of their respective  
holders.  
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