ACTF512K8 datasheet(12/21 Pages) AEROFLEX

tên linh kiện	ACTF512K8

Giải thích chi tiết về linh kiện	ACT-F512K8 High Speed 4 Megabit Monolithic FLASH

PDF	21 Pages

Scroll/Zoom	100%

nhà sản xuất	AEROFLEX [Aeroflex Circuit Technology]

Trang chủ	http://www.aeroflex.com

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Aeroflex Circuit Technology

SCD1668 REV A 4/28/98

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 =

D5 = 1

Read Byte

D0-D7

Address = VA

Fail

Pass

Yes

D7 =

Data

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

Toggle?

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