STK22C48-PF25 Cypress Semiconductor Corp, STK22C48-PF25 Datasheet - Page 2
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STK22C48-PF25
Manufacturer Part Number
STK22C48-PF25
Description
Manufacturer
Cypress Semiconductor Corp
Type
NVSRAMr
Datasheet
1.STK22C48-PF25.pdf
(14 pages)
Specifications of STK22C48-PF25
Word Size
8b
Organization
2Kx8
Density
16Kb
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
85mA
Lead Free Status / Rohs Status
Compliant
Contents
Features................................................................................ 1
Functional Description........................................................ 1
Logic Block Diagram........................................................... 1
Contents ............................................................................... 2
Device Operation ................................................................. 3
SRAM Read .......................................................................... 3
SRAM Write .......................................................................... 3
AutoStore Operation ........................................................... 3
AutoStore Inhibit mode....................................................... 3
Hardware STORE (HSB) Operation.................................... 4
Hardware RECALL (Power Up)........................................... 4
Data Protection .................................................................... 4
Noise Considerations.......................................................... 4
Hardware Protect................................................................. 4
Low Average Active Power................................................. 4
Preventing Store.................................................................. 5
Best Practices...................................................................... 5
Maximum Ratings................................................................ 6
Operating Range.................................................................. 6
DC Electrical Characteristics ............................................. 6
Document Number: 001-51000 Rev. *A
Data Retention and Endurance .......................................... 6
Capacitance ......................................................................... 7
Thermal Resistance............................................................. 7
AC Test Conditions ............................................................. 7
AC Switching Characteristics ............................................ 8
Switching Waveforms ......................................................... 8
AutoStore or Power Up RECALL ..................................... 10
Switching Waveform ......................................................... 10
Hardware STORE Cycle .................................................... 11
Switching Waveform ......................................................... 11
Ordering Information......................................................... 12
Part Numbering Nomenclature......................................... 12
Package Diagrams............................................................. 13
Document History Page .................................................... 14
Sales, Solutions, and Legal Information ......................... 14
SRAM Read Cycle ......................................................... 8
SRAM Write Cycle.......................................................... 9
Worldwide Sales and Design Support.......................... 14
Products ....................................................................... 14
STK22C48
Page 2 of 14
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