STK16C88-WF25 Cypress Semiconductor Corp, STK16C88-WF25 Datasheet - Page 2

• Manufacturer Part Number: STK16C88-WF25
• Description: STK16C88-WF25
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK16C88-WF25

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Word Size: 8b
• Organization: 32Kx8
• Density: 256Kb
• Interface Type: Parallel
• Access Time (max): 25ns
• Operating Supply Voltage (typ): 5V
• Package Type: PDIP
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: 0C to 70C
• Pin Count: 28
• Mounting: Through Hole
• Supply Current: 97mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Contents
Features................................................................................ 1
Functional Description........................................................ 1
Logic Block Diagram........................................................... 1
Contents ............................................................................... 2
Pin Configurations .............................................................. 3
Device Operation ................................................................. 4
SRAM Read .......................................................................... 4
SRAM Write .......................................................................... 4
AutoStore+ Operation ......................................................... 4
Hardware RECALL (Power Up)........................................... 4
Software STORE .................................................................. 4
Software RECALL................................................................ 4
Hardware Protect................................................................. 5
Noise Considerations.......................................................... 5
Low Average Active Power................................................. 5
Best Practices...................................................................... 5
Maximum Ratings................................................................ 7
Document Number: 001-50595 Rev. *B
DC Electrical Characteristics ............................................. 7
Data Retention and Endurance .......................................... 7
Capacitance ......................................................................... 8
Thermal Resistance............................................................. 8
AC Test Conditions ............................................................. 8
AC Switching Characteristics ............................................ 9
Switching Waveforms ......................................................... 9
AutoStore or Power Up RECALL ..................................... 11
Software Controlled STORE/RECALL Cycle................... 12
Part Numbering Nomenclature
(Commercial and Industrial) ............................................. 13
Ordering Information......................................................... 13
Package Diagrams............................................................. 14
Sales, Solutions and Legal Information .......................... 15
Worldwide Sales and Design Support .......................... 15
Products ....................................................................... 15
STK16C88
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