Document Number: 001-06968 Rev. *H Page 2 of 19
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
AutoStore Inhibit mode ........................................................4
Hardware STORE (HSB) Operation .....................................5
Hardware RECALL (Power Up) ............................................5
Software STORE ...................................................................5
Software RECALL .................................................................5
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
SRAM Read Cycle .........................................................10
SRAM Write Cycle ..........................................................11
AutoStore or Power Up RECALL .......................................12
Software Controlled STORE/RECALL Cycle .....................13
Switching Waveforms .........................................................14
Part Numbering Nomenclature
(Commercial and Industrial) ...............................................15
Ordering Information ...........................................................15
Document History Page ......................................................18
Sales, Solutions, and Legal Information ...........................19
Worldwide Sales and Design Support ............................19
Products .........................................................................19
Not Recommended for New Designs
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