STK16C88-3WF35 Cypress Semiconductor Corp, STK16C88-3WF35 Datasheet - Page 2

• Manufacturer Part Number: STK16C88-3WF35
• Description: IC NVSRAM 256KBIT 35NS 28DIP
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK16C88-3WF35

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 35ns
• 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): 35ns
• Operating Supply Voltage (typ): 3.3V
• Package Type: PDIP
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temp Range: 0C to 70C
• Pin Count: 28
• Mounting: Through Hole
• Supply Current: 50mA
• 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
Document Number: 001-50594 Rev. *A
Maximum Ratings ................................................................ 7
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
AutoStorePlus or Power Up RECALL .............................. 11
Software Controlled STORE/RECALL Cycle ................... 12
Part Numbering Nomenclature ......................................... 13
Ordering Information ......................................................... 13
Package Diagrams ............................................................. 14
Sales, Solutions and Legal Information .......................... 15
SRAM Read Cycle ......................................................... 9
Worldwide Sales and Design Support.......................... 15
Products ....................................................................... 15
STK16C88-3
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