CY14B101J Просмотр технического описания (PDF) - Cypress Semiconductor

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CY14B101J

1-Mbit (128 K × 8) Serial (I2C) nvSRAM

Cypress Semiconductor 

CY14C101J

CY14B101J

CY14E101J

Contents

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

Pin Definitions .................................................................. 3

I2C Interface ...................................................................... 4

Protocol Overview ............................................................ 4

I2C Protocol – Data Transfer ....................................... 4

Data Validity ................................................................ 5

START Condition (S) ................................................... 5

STOP Condition (P) ..................................................... 5

Repeated START (Sr) ................................................. 5

Byte Format ................................................................. 5

Acknowledge / No-acknowledge ................................. 5

High-Speed Mode (Hs-mode) ..................................... 6

Slave Device Address ................................................. 7

Write Protection (WP) .................................................. 9

AutoStore Operation .................................................... 9

Hardware STORE and HSB pin Operation ................. 9

Hardware RECALL (Power-Up) .................................. 9

Write Operation ......................................................... 10

Read Operation ......................................................... 10

Memory Slave Access ............................................... 10

Control Registers Slave ............................................. 14

Write Control Registers ............................................. 14

Serial Number ................................................................. 16

Serial Number Write .................................................. 16

Serial Number Lock ................................................... 16

Serial Number Read .................................................. 16

Device ID ......................................................................... 17

Executing Commands Using Command Register ..... 17

Maximum Ratings ........................................................... 18

Operating Range ............................................................. 18

DC Electrical Characteristics ........................................ 18

Data Retention and Endurance ..................................... 19

Thermal Resistance ........................................................ 19

AC Test Loads and Waveforms ..................................... 20

AC Test Conditions ........................................................ 20

AC Switching Characteristics ....................................... 21

Switching Waveforms .................................................... 21

nvSRAM Specifications ................................................. 22

Switching Waveforms .................................................... 22

Software Controlled STORE/RECALL Cycles .............. 23

Switching Waveforms .................................................... 23

Hardware STORE Cycle ................................................. 24

Switching Waveforms .................................................... 24

Ordering Information ...................................................... 25

Ordering Code Definitions ......................................... 25

Package Diagrams .......................................................... 26

Acronyms ........................................................................ 28

Document Conventions ................................................. 28

Units of Measure ....................................................... 28

Document History Page ................................................. 29

Sales, Solutions, and Legal Information ...................... 31

Worldwide Sales and Design Support ....................... 31

Products .................................................................... 31

PSoC Solutions ......................................................... 31

Document Number: 001-54050 Rev. *M

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