CY14B101NA(2011) データシートの表示（PDF） - Cypress Semiconductor

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CY14B101NA
(Rev.:2011)

1-Mbit (128 K × 8/64 K × 16) nvSRAM

Cypress Semiconductor 

CY14B101LA

CY14B101NA

Contents

1-Mbit (128 K x 8/64 K x 16) nvSRAM .............................. 1

Features ............................................................................. 1

Functional Description ..................................................... 1

Logic Block Diagram ........................................................ 1

Pinouts .............................................................................. 3

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 ....................................................... 7

Data Protection ................................................................. 7

Noise Considerations ....................................................... 7

Best Practices ................................................................... 8

Maximum Ratings ............................................................. 9

Operating Range ............................................................... 9

DC Electrical Characteristics .......................................... 9

AC Test Conditions ........................................................ 10

Data Retention and Endurance ..................................... 10

Capacitance .................................................................... 10

Thermal Resistance ........................................................ 10

AC Switching Characteristics ....................................... 11

SRAM Read Cycle .................................................... 11

SRAM Write Cycle ..................................................... 11

AutoStore/Power-Up RECALL ....................................... 14

Software Controlled STORE/RECALL Cycle ................ 15

Hardware STORE Cycle ................................................. 16

Truth Table For SRAM Operations ................................ 17

Ordering Information ...................................................... 18

Part Numbering Nomenclature ...................................... 19

Package Diagrams .......................................................... 20

Acronyms ........................................................................ 23

Document Conventions ............................................. 23

Units of Measure ....................................................... 23

Document History Page ................................................ 24

Sales, Solutions, and Legal Information ...................... 26

Worldwide Sales and Design Support ....................... 26

Products .................................................................... 26

PSoC Solutions ......................................................... 26

Document #: 001-42879 Rev. *K

Page 2 of 26

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