FM25C160B-GA(2014) Ver la hoja de datos (PDF) - Cypress Semiconductor

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FM25C160B-GA
(Rev.:2014)

16-Kbit (2 K × 8) Serial (SPI) Automotive F-RAM

Cypress Semiconductor 

FM25C160B

Contents

Pinout ................................................................................ 3

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

Overview............................................................................ 4

Memory Architecture........................................................ 4

Serial Peripheral Interface – SPI Bus.............................. 4

SPI Overview............................................................... 4

SPI Modes................................................................... 6

Power Up to First Access ............................................ 6

Command Structure .................................................... 6

WREN - Set Write Enable Latch ................................. 6

WRDI - Reset Write Enable Latch............................... 6

Write Protection................................................................ 6

RDSR - Read Status Register..................................... 8

WRSR - Write Status Register .................................... 8

Memory Operation............................................................ 9

Write Operation ........................................................... 9

Read Operation ........................................................... 9

HOLD Pin Operation ................................................. 10

Endurance ................................................................. 11

Maximum Ratings........................................................... 12

Operating Range............................................................. 12

DC Electrical Characteristics ........................................ 12

Data Retention and Endurance ..................................... 13

Example of an F-RAM Life Time in an AEC-Q100

Automotive Application ................................................. 13

Capacitance .................................................................... 13

Thermal Resistance........................................................ 13

AC Test Conditions ........................................................ 13

AC Switching Characteristics ....................................... 14

Power Cycle Timing ....................................................... 16

Ordering Information...................................................... 17

Ordering Code Definitions ......................................... 17

Package Diagram............................................................ 18

Acronyms ........................................................................ 19

Document Conventions ................................................. 19

Units of Measure ....................................................... 19

Document History Page ................................................. 20

Sales, Solutions, and Legal Information ...................... 21

Worldwide Sales and Design Support....................... 21

Products .................................................................... 21

PSoC® Solutions ...................................................... 21

Cypress Developer Community................................. 21

Technical Support ..................................................... 21

Document Number: 001-86150 Rev. *A

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