M25P40_07 datasheet(17/53 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]

Direct Link	http://www.st.com

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M25P40

Memory organization

17/53

Figure 6.

Block diagram

AI04986

HOLD

S

W

Control Logic

High Voltage

Generator

I/O Shift Register

Address Register

and Counter

256 Byte

Data Buffer

256 Bytes (Page Size)

X Decoder

Size of the

read-only

memory area

C

D

Q

Status

Register

00000h

7FFFFh

000FFh

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