SST39SF020-90-4I-P 데이터 시트보기 (PDF) - Silicon Storage Technology

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SST39SF020-90-4I-P

2 Megabit (256K x 8) Multi-Purpose Flash

Silicon Storage Technology 

2 Megabit Multi-Purpose Flash

SST39SF020

Preliminary Specifications

Chip Erase

Command Sequence

Write data: AA

Address: 5555

Write data: 55

Address: 2AAA

Write data: 80

Address: 5555

Write data: AA

Address: 5555

Write data: 55

Address: 2AAA

Write data: 10

Address: 5555

Wait TSCE

Chip Erase

to FFH

FIGURE 17: ERASE COMMAND SEQUENCE

Sector Erase

1

Command Sequence

Write data: AA

2

Address: 5555

3

Write data: 55

Address: 2AAA

4

Write data: 80

5

Address: 5555

6

Write data: AA

Address: 5555

7

8

Write data: 55

Address: 2AAA

9

Write data: 30

10

Address: SAX

11

Wait TSE

12

13

Sector Erase

to FFH

14

326 ILL F16.0

15

16

© 1998 Silicon Storage Technology, Inc.

19

326-10 12/98

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