CY14B108L
CY14B108N
Contents
Pinouts .............................................................................. 3
Pin Definitions .................................................................. 4
Device Operation .............................................................. 5
SRAM Read ................................................................ 5
SRAM Write ................................................................. 5
AutoStore Operation .................................................... 5
Hardware STORE Operation ....................................... 5
Hardware RECALL (Power-Up) .................................. 6
Software STORE ......................................................... 6
Software RECALL ....................................................... 6
Preventing AutoStore .................................................. 8
Data Protection ............................................................ 8
Maximum Ratings ............................................................. 9
Operating Range ............................................................... 9
DC Electrical Characteristics .......................................... 9
Data Retention and Endurance ..................................... 10
Capacitance .................................................................... 10
Thermal Resistance ........................................................ 10
AC Test Loads ................................................................ 11
AC Test Conditions ........................................................ 11
AC Switching Characteristics ....................................... 12
Switching Waveforms .................................................... 12
AutoStore/Power-Up RECALL ....................................... 15
Switching Waveforms .................................................... 15
Software Controlled STORE/RECALL Cycle ................ 16
Switching Waveforms .................................................... 16
Hardware STORE Cycle ................................................. 17
Switching Waveforms .................................................... 17
Truth Table For SRAM Operations ................................ 18
Ordering Information ...................................................... 19
Ordering Code Definitions ......................................... 19
Package Diagrams .......................................................... 20
Acronyms ........................................................................ 23
Document Conventions ................................................. 23
Units of Measure ....................................................... 23
Errata ............................................................................... 24
Part Numbers Affected .............................................. 24
8Mb (1024 K × 8, 512 K × 16) nvSRAM
Qualification Status ........................................................... 24
8Mb (1024 K × 8, 512 K × 16) nvSRAM
Errata Summary ............................................................... 24
Document History Page ................................................. 25
Sales, Solutions, and Legal Information ...................... 27
Worldwide Sales and Design Support ....................... 27
Products .................................................................... 27
PSoC® Solutions ...................................................... 27
Cypress Developer Community ................................. 27
Technical Support ..................................................... 27
Document Number: 001-45523 Rev. *P
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