M29W128 View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

Manufacturer

M29W128

128 Mbit 3V Supply Flash Memory

Numonyx -> Micron 

Bus operations

M29W128FH, M29W128FL

3.6.5 Temporary Unprotect of high voltage Protected Blocks

The RP pin can be used to temporarily unprotect all the blocks previously protected using the In-System

or the Programmer protection technique (High Voltage techniques).

Refer to Section 2.9: Reset/Block Temporary Unprotect (RP).

Table 2. Bus operations, 8-bit mode

Operation(1)

Address Inputs

E G W RP VPP/WP

A22-A0, DQ15A-1

Data Inputs/Outputs

DQ14-DQ8

DQ7-DQ0

Bus Read

VIL VIL VIH VIH

VIH

Bus Write

VIL VIH VIL VIH

VIH

Output Disable

X VIH VIH VIH

VIH

Standby

VIH X X VIH

VIH

1. X = VIL or VIH.

Cell Address

Command Address

X

X

Hi-Z

Hi-Z

Hi-Z

Hi-Z

Data Output

Data Input

Hi-Z

Hi-Z

Table 3. Read Electronic Signature, 8-bit mode

Read

Cycle(1)

Address Inputs

Data Inputs/Outputs

E

G

W

A22-A10 A9 A8-A7 A6 A5-A4 A3

A2

A1

A0

DQ15A-1

DQ14-

DQ8

DQ7-DQ0

Manufacturer

Code

VIL VIL VIL VIL

X

Device Code

(Cycle 1)

VIL VIL VIL VIH

X

Device Code VIL VIL VIH

X

VID X VIL X

(Cycle 2)

VIH VIH VIH VIL

X

Device Code

(Cycle 3)

VIH VIH VIH VIH

X

Hi-Z

20h

Hi-Z 7Eh (Both Devices)

Hi-Z 12h (Both Devices)

8Ah (M29W128FH)

Hi-Z

8Bh (M29W128FL)

1. X = VIL or VIH.

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