M29F400 Просмотр технического описания (PDF) - STMicroelectronics

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Компоненты Описание

производитель

M29F400

4 Mbit (512Kb x8 or 256Kb x16, Boot Block) single supply Flash memory

STMicroelectronics 

M29F400BT, M29F400BB

Bus operations

Table 3. Bus operations, BYTE = VIH(1)

Operation

E

G

W

Address Inputs

A0-A17

Bus Read

VIL VIL VIH Cell Address

Bus Write

VIL VIH VIL Command Address

Output Disable

X

VIH VIH X

Standby

VIH

X

XX

Read Manufacturer

Code

VIL

VIL

VIH

A0 = VIL, A1 = VIL, A9 =

VID, Others VIL or VIH

Read Device Code

VIL

VIL

VIH

A0 = VIH, A1 = VIL, A9 =

VID, Others VIL or VIH

1. X = VIL or VIH.

Data Inputs/Outputs

DQ15A–1, DQ14-DQ0

Data Output

Data Input

Hi-Z

Hi-Z

0020h

00D5h (M29F400BT)

00D6h (M29F400BB)

15/40

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