ACTF128K32 datasheet(12/20 Pages) AEROFLEX

tên linh kiện	ACTF128K32

Giải thích chi tiết về linh kiện	ACT-F128K32 High Speed 4 Megabit FLASH Multichip Module

PDF	20 Pages

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Aeroflex Circuit Technology

SCD1667 REV A 4/28/97 Plainview NY (516) 694-6700

Start

Read Byte

D0-D7

Address = VA

D6 = Toggle

D5 = 1

Read Byte

D0-D7

Address = VA

Fail

Pass

Yes

D6 =

Toggle?

(Note 1)

Yes

VA = Byte Address for Programming

= Any of the Sector Addresses

within the sector being erased

during sector erase operation

= XXXXH during Chip Erase

Figure 5

Toggle Bit Algorithm

Start

Read Byte

D0-D7

Address = VA

D7 = Data

D5 = 1

Read Byte

D0-D7

Address = VA

Fail

Pass

Yes

D7 =

Toggle?

(Note 1)

Yes

Figure 6

Data Polling Algorithm

Note 1. D6 is rechecked even if D5 = "1" because D6 may stop toggling at

the same time as D5 changes to "1".

Note 1. D7 is rechecked even if D5 = "1" because D7 may change

simultaneously with D5.

VA = Byte Address for Programming

= Any of the Sector Addresses

within the sector being erased

during sector erase operation

= XXXXH during Chip Erase

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