AM29BDS640GT93WSF 参数 Datasheet PDF下载

A D V A N C E I N F O R M A T I O N

AC CHARACTERISTICS

Erase Command Sequence (last two cycles)

Read Status Data

CLK

t_AVDP

AVD#

t_AH

t_AS

555h for

chip erase

Addresses

Data

2AAh

10h for

chip erase

Complete

55h

30h

Progress

t_DS

t_DH

CE#

t_CH

OE#

WE#

t_WP

t_WHWH2

t_CS

t_WPH

t_WC

t_VCS

V_CC

Figure 25. Chip/Sector Erase Command Sequence

Notes:

1. SA is the sector address for Sector Erase.

2. Address bits A21–A12 are don’t cares during unlock cycles in the command sequence.

Am29BDS640G

May 9, 2002

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