CY14E256LA CYPRESS [Cypress Semiconductor], CY14E256LA Datasheet - Page 2

• Manufacturer Part Number: CY14E256LA
• Manufacturer: CYPRESS [Cypress Semiconductor]

Contents
Pinouts .............................................................................. 3
Pin Definitions .................................................................. 3
Device Operation .............................................................. 4
SRAM Read ....................................................................... 4
SRAM Write ....................................................................... 4
AutoStore Operation ........................................................ 4
Hardware STORE Operation ............................................ 4
Hardware RECALL (Power-up) ........................................ 5
Software STORE ............................................................... 5
Software RECALL ............................................................. 5
Preventing AutoStore ....................................................... 6
Data Protection ................................................................. 6
Noise Considerations ....................................................... 6
Best Practices ................................................................... 7
Maximum Ratings ............................................................. 8
Operating Range ............................................................... 8
DC Electrical Characteristics .......................................... 8
Data Retention and Endurance ....................................... 9
Capacitance ...................................................................... 9
Thermal Resistance .......................................................... 9
Document Number: 001-54952 Rev. *F
AC Test Conditions .......................................................... 9
AC Switching Characteristics ....................................... 10
AutoStore/Power-up RECALL ....................................... 12
Software Controlled STORE/RECALL Cycle ................ 13
Hardware STORE Cycle ................................................. 14
Truth Table For SRAM Operations ................................ 15
Ordering Information ...................................................... 15
Package Diagrams .......................................................... 16
Acronyms ........................................................................ 17
Document Conventions ................................................. 17
Document History Page ................................................. 18
Sales, Solutions, and Legal Information ...................... 19
SRAM Read Cycle .................................................... 10
SRAM Write Cycle ..................................................... 10
Ordering Code Definition ........................................... 15
Acronyms Used ......................................................... 17
Units of Measure ....................................................... 17
Worldwide Sales and Design Support ....................... 19
Products .................................................................... 19
PSoC Solutions ......................................................... 19
CY14E256LA
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