M29W640FB Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

M29W640FB

64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

1 Summary description

Figure 1. Logic Diagram

M29W640FT, M29W640FB

VCC VPP/WP

22

A0-A21

15

DQ0-DQ14

W

DQ15A–1

M29W640FT

E

M29W640FB

BYTE

G

RB

RP

VSS

AI11250

Table 1.

A0-A21

Signal Names

Address Inputs

DQ0-DQ7

Data Inputs/Outputs

DQ8-DQ14

DQ15A–1 (or DQ15)

Data Inputs/Outputs

Data Input/Output or Address Input (or Data Input/Output)

E

Chip Enable

G

Output Enable

W

Write Enable

RP

Reset/Block Temporary Unprotect

RB

Ready/Busy Output

BYTE

Byte/Word Organization Select

VCC

Supply Voltage

VPP/WP

Supply Voltage for Fast Program (optional) or Write Protect

VSS

Ground

NC

Not Connected Internally

8/72

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