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STK12C68 Datasheet(PDF) 2 Page - Cypress Semiconductor

Part No. STK12C68
Description  64 Kbit (8K x 8) AutoStore nvSRAM 25 ns, 35 ns, and 45 ns access times
Download  24 Pages
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Maker  CYPRESS [Cypress Semiconductor]
Homepage  http://www.cypress.com
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STK12C68 Datasheet(HTML) 2 Page - Cypress Semiconductor

 
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STK12C68
Document Number: 001-51027 Rev. *C
Page 2 of 24
Contents
Pin Configurations ........................................................... 3
Pin Definitions .................................................................. 3
Device Operation .............................................................. 4
SRAM Read ....................................................................... 4
SRAM Write ....................................................................... 4
AutoStore Operation ........................................................ 4
AutoStore Inhibit Mode .................................................... 5
Hardware STORE (HSB) Operation................................. 5
Hardware RECALL (Power Up) ........................................ 5
Software STORE ............................................................... 5
Software RECALL............................................................. 6
Data Protection ................................................................. 6
Noise Considerations....................................................... 6
Hardware Protect.............................................................. 6
Low Average Active Power .............................................. 6
Preventing Store............................................................... 6
Best Practices................................................................... 7
Maximum Ratings ............................................................. 8
Operating Range ............................................................... 8
DC Electrical Characteristics .......................................... 8
Data Retention and Endurance ....................................... 9
Capacitance ...................................................................... 9
Thermal Resistance.......................................................... 9
AC Test Conditions .......................................................... 9
AC Switching Characteristics ....................................... 10
SRAM Read Cycle .................................................... 10
SRAM Write Cycle ..................................................... 12
AutoStore or Power Up RECALL .................................. 14
Software Controlled STORE/RECALL Cycle................ 15
Hardware STORE Cycle ................................................. 16
Switching Waveform ...................................................... 16
Part Numbering Nomenclature ...................................... 17
Ordering Information ...................................................... 17
Package Diagrams .......................................................... 18
Document History Page ................................................. 23
Sales, Solutions, and Legal Information ...................... 24
Worldwide Sales and Design Support ....................... 24
Products .................................................................... 24
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