W49L201S-90 데이터 시트보기 (PDF) - Winbond

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W49L201S-90

128K X 16 CMOS FLASH MEMORY

Winbond 

Preliminary W49L201

Command Codes for Word Program

WORD SEQUENCE

0 Write

1 Write

2 Write

3 Write

ADDRESS

5555H

2AAAH

5555H

Programmed-address

Pause TBC

DATA

AAH

55H

A0H

Programmed-data

Word Program Flow Chart

Word Program

Command Flow

Load data AA

to

address 5555

Load data 55

to

address 2AAA

Load data A0

to

address 5555

Load data Din

to

programmed-

address

Pause TBC

Exit

Notes for software program code:

Data Format: DQ15−DQ8: Don't Care; DQ7-DQ0 (Hex)

Address Format: A14−A0 (Hex)

*It is not allowed to assert read command during the 4-word command sequence (program).

To assert the read command during the 4-word command sequence will abort programming procedure.

Publication Release Date: May 2000

-7-

Revision A1

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