
Document Number: 001-51038 Rev. *B Page 3 of 18
Contents
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 .......................................8
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 ......................................15
Ordering Information ...................................................... 15
Acronyms ........................................................................ 17
Document Conventions ................................................. 17
Units of Measure ....................................................... 17
Document History Page .................................................18
Sales, Solutions, and Legal Information ......................18
Worldwide Sales and Design Support ....................... 18
Products .................................................................... 18
PSoC Solutions ......................................................... 18
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