STK14C88-5C45M Cypress Semiconductor Corp, STK14C88-5C45M Datasheet - Page 2

• Manufacturer Part Number: STK14C88-5C45M
• Description: STK14C88-5C45M
• Manufacturer: Cypress Semiconductor Corp

Specifications of STK14C88-5C45M

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Package / Case: 32-CDIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Contents
Features................................................................................ 1
Description........................................................................... 1
Logic Block Diagram........................................................... 1
Contents ............................................................................... 2
Pin Configurations .............................................................. 3
Pin Descriptions .................................................................. 3
Absolute Maximum Ratings ............................................... 4
DC Characteristics .............................................................. 4
AC Test Conditions ............................................................. 5
Capacitance ......................................................................... 5
SRAM Read Cycles #1 and #2 ............................................ 6
SRAM Write Cycle #1 and #2 .............................................. 7
Hardware Mode Selection................................................... 8
Hardware STORE Cycle ...................................................... 8
AutoStore/Power up RECALL ............................................ 9
nvSRAM Operation............................................................ 10
Noise Considerations........................................................ 10
SRAM Read ........................................................................ 10
Document Number: 001-52038 Rev. *B
SRAM Write ........................................................................ 10
Power Up RECALL ............................................................ 10
Software Nonvolatile STORE............................................ 10
Software Nonvolatile RECALL ......................................... 10
AutoStore Mode................................................................. 10
AutoStore INHIBIT Mode................................................... 11
HSB Operation ................................................................... 11
Best Practices.................................................................... 12
Preventing STORES .......................................................... 12
Hardware Protect............................................................... 12
Low Average Active Power............................................... 12
Software STORE/RECALL Mode Selection ..................... 14
Software-Controlled STORE/RECALL Cycle................... 14
Ordering Information......................................................... 15
Document History Page .................................................... 19
Sales, Solutions, and Legal Information ......................... 19
Worldwide Sales and Design Support.......................... 19
Products ....................................................................... 19
STK14C88
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