STK15C88-PF25I Cypress Semiconductor Corp, STK15C88-PF25I Datasheet - Page 2

• Manufacturer Part Number: STK15C88-PF25I
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK15C88-PF25I

• 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: Industrial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: -40C to 85C
• Pin Count: 28
• Mounting: Through Hole
• Supply Current: 100mA
• Lead Free Status / Rohs Status: 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
DC Electrical Characteristics ............................................7
Document Number: 001-50593 Rev. *A
Data Retention and Endurance ......................................... 8
Capacitance ........................................................................ 8
Thermal Resistance ............................................................ 8
AC Test Conditions ............................................................ 8
AC Switching Characteristics ........................................... 9
Switching Waveforms ........................................................ 9
Switching Waveforms ......................................................10
AutoStore or Power Up RECALL ....................................11
Switching Waveforms ......................................................11
Software Controlled STORE/RECALL Cycle ..................12
Part Numbering Nomenclature ........................................13
Ordering Information ........................................................13
Package Diagrams ............................................................14
Sales, Solutions and Legal Information .........................16
SRAM Read Cycle ........................................................ 9
Worldwide Sales and Design Support......................... 16
Products ...................................................................... 16
STK15C88
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