Document Number: 001-50638 Rev. *C Page 2 of 15
Contents
Features .............................................................................1
Functional Description ..................................................... 1
Logic Block Diagram ........................................................ 1
Contents ............................................................................ 2
Pin Configurations ........................................................... 3
Pin Definitions .................................................................. 3
Device Operation .............................................................. 4
SRAM Read ....................................................................... 4
SRAM Write .......................................................................4
Software STORE ...............................................................4
Software RECALL ............................................................. 4
Hardware RECALL (Power Up) ........................................4
Hardware Protect .............................................................. 4
Noise Considerations ....................................................... 4
Low Average Active Power .............................................. 4
Best Practices ................................................................... 5
Maximum Ratings .............................................................6
Operating Range ............................................................... 6
DC Electrical Characteristics .......................................... 6
Data Retention and Endurance ....................................... 6
Capacitance ...................................................................... 7
Thermal Resistance .......................................................... 7
AC Test Conditions .......................................................... 7
AC Switching Characteristics ......................................... 8
SRAM Read Cycle ...................................................... 8
SRAM Write Cycle ....................................................... 9
AutoStore INHIBIT or Power Up RECALL ...................... 10
Software Controlled STORE/RECALL Cycle .................. 11
Part Numbering Nomenclature ........................................ 12
Ordering Information ........................................................ 12
Package Diagrams ............................................................ 13
Document History Page ................................................... 15
Sales, Solutions, and Legal Information ........................ 15
Worldwide Sales and Design Support ......................... 15
Products ...................................................................... 15
Not recommended for new designs.
In production to support ongoing production programs.
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