29F400B-12TI 参数 Datasheet PDF下载

BRIGHT

Microelectronics

Inc.

Preliminary BM29F400T/BM29F400B

START

Read Byte

(DQ0-DQ7), Addr=VA

VA = Byte address for programming

= Any of the sector addresses

within the secotr being erased

during sector erase operation.

= XXXXH during Chip Erase

YES

DQ7=Data

DQ5=1

YES

Read Byte

(DQ0-DQ7), Addr=VA

YES

DQ7=Data

Fail

Pass

Figure 3. Data Polling Algorithm

Notes: DQ7 is rechecked even if DQ5 = logical "1" because DQ7 may change simultaneously with DQ5.

A Winbond Company

Publication Release Date: May 1999

Revision A1

- 19 -

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