M25P40_07 datasheet(3/53 Pages) STMICROELECTRONICS

Part #	M25P40

Description	4 Mbit, low voltage, serial Flash memory with 50 MHz SPI bus interface

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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3 / 53 page

M25P40

Contents

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6.4.4

SRWD bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.5

Write Status Register (WRSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.6

Read Data Bytes (READ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6.7

Read Data Bytes at Higher Speed (FAST_READ) . . . . . . . . . . . . . . . . . . 27

6.8

Page Program (PP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

6.9

Sector Erase (SE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.10

Bulk Erase (BE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

6.11

Deep Power-down (DP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6.12

Release from Deep Power-down and Read Electronic Signature (RES) . 33

7

Power-up and Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8

Initial delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

9

Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

10

DC and ac parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

11

Package mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

12

Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

13

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

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