M45PE40-VMN6P View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

MFG CO.

M45PE40-VMN6P

4 Mbit, low voltage, Page-Erasable Serial Flash memory with byte-alterability and a 50 MHz SPI bus interface

Numonyx -> Micron 

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Memory organization

Figure 5. Block diagram

Reset

W

S

C

D

Q

Control Logic

Address Register

and Counter

M45PE40

High Voltage

Generator

I/O Shift Register

256 Byte

Data Buffer

7FFFFh

Status

Register

10000h

00000h

256 Bytes (Page Size)

X Decoder

First 256 Pages can

be made read-only

000FFh

AI04042B

16/46

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