MBM29F800BA 데이터 시트보기 (PDF) - Fujitsu

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MBM29F800BA

FLASH MEMORY CMOS 8M (1M × 8/512K × 16) BIT

Fujitsu 

MBM29F800TA-55/-70/-90/MBM29F800BA-55/-70/-90

Start

Read Byte

(DQ0 to DQ7)

Addr. = “H” or “L”

No

DQ6 = Toggle

?

Yes

No

DQ5 = 1?

Yes

Read Byte

(DQ0 to DQ7)

Addr. = “H” or “L”

No

DQ6 = Toggle

?

Yes

Fail

Pass

Note: DQ6 is rechecked even if DQ5 = “1” because DQ6 may stop toggling at the same time as

DQ5 changing to “1”.

Figure 5 Toggle Bit Algorithm

41

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