CY14B104NA-BA25IT Просмотр технического описания (PDF) - Cypress Semiconductor

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производитель

CY14B104NA-BA25IT

4-Mbit (512 K × 8/256 K × 16) nvSRAM

Cypress Semiconductor 

CY14B104LA, CY14B104NA

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

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

Maximum Ratings ............................................................. 8

Operating Range ............................................................... 8

DC Electrical Characteristics .......................................... 8

Data Retention and Endurance ....................................... 9

Capacitance ...................................................................... 9

Thermal Resistance .......................................................... 9

AC Test Loads ................................................................ 10

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

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

Switching Waveforms .................................................... 11

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

Switching Waveforms –

AutoStore/Power-up RECALL ....................................... 14

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

Switching Waveforms –

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

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

Switching Waveforms – Hardware STORE Cycle ........ 16

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

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

Ordering Code Definitions ......................................... 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 Number: 001-49918 Rev. *L

Page 2 of 26

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