STK14D88-N35 Cypress Semiconductor Corp, STK14D88-N35 Datasheet - Page 2

• Manufacturer Part Number: STK14D88-N35
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK14D88-N35

• Word Size: 8b
• Organization: 32Kx8
• Density: 256Kb
• Interface Type: Parallel
• Access Time (max): 35ns
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 2.7V
• Operating Temp Range: 0C to 70C
• Pin Count: 32
• Mounting: Surface Mount
• Supply Current: 55mA
• Lead Free Status / RoHS Status: Not 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
AutoStore/POWER UP RECALL ......................................... 8
Software-Controlled STORE/RECALL Cycle..................... 9
Hardware STORE Cycle ..................................................... 10
Soft Sequence Commands ............................................... 10
Mode Selection ................................................................... 11
Document Number: 001-52037 Rev. *A
SRAM READ Cycles #1 and #2 ..................................... 6
SRAM WRITE Cycle #1 and #2 ..................................... 7
nvSRAM Operation............................................................ 12
Part Numbering Nomenclature......................................... 16
Package Diagrams............................................................. 17
Document History Page ..................................................... 19
Sales, Solutions, and Legal Information ......................... 19
nvSRAM ....................................................................... 12
SRAM READ ................................................................ 12
SRAM WRITE .............................................................. 12
AutoStore Operation...................................................... 12
Hardware STORE (HSB) Operation............................. 12
Software STORE.......................................................... 12
Software RECALL ........................................................ 13
Data Protection............................................................. 13
Best Practices .............................................................. 13
Low Average Active Power .......................................... 13
Noise Considerations ................................................... 14
Preventing AutoStore ................................................... 14
Worldwide Sales and Design Support.......................... 19
Products ....................................................................... 19
STK14D88
Page 2 of 18
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