W49L201S-90 데이터 시트보기 (PDF) - Winbond

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W49L201S-90

128K X 16 CMOS FLASH MEMORY

Winbond 

Preliminary W49L201

Command Codes for Sector Erase

BYTE SEQUENCE

1 Write

2 Write

3 Write

4 Write

5 Write

6 Write

ADDRESS

5555H

2AAAH

5555H

5555H

2AAAH

SA*

Sector Erase Acquisition Flow

Load data AA

to

address 5555

Load data 55

to

address 2AAA

Load data 80

to

address 5555

Load data AA

to

address 5555

Load data 55

to

address 2AAA

Load data 30

to

address SA*

Pause T EC

Pause TEC

DATA

AAH

55H

80H

AAH

55H

30H

Exit

Notes for chip erase:

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

Address Format: A14−A0 (Hex)

A16 - A12 = 00011, for 8Kword Parameter Block1 (Sector-1)

A16 - A12 = 00101, for 8Kword Parameter Block2 (Sector-2)

A16 - A12 = 11111,

- for 104Kword Main Memory Block when Boot Block lockout feature is activated.

- for 104Kword Main Memory Block and 8Kword Boot Block when Boot Block lockout feature is inactivated.

Publication Release Date: May 2000

-9-

Revision A1

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