AC CHARACTERISTICS
Erase Command Sequence (last two cycles)
t
WC
Addresses
2AAh
t
AS
SA
555h for chip erase
Read Status Data
VA
t
AH
VA
CE#
OE#
t
WP
WE#
t
CS
t
DS
t
CH
t
WPH
t
WHWH2
t
DH
Data
55h
30h
10 for Chip Erase
In
Progress
Complete
t
BUSY
RY/BY#
t
VCS
V
CC
t
RB
Notes:
1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see 鈥淲rite Operation Status鈥?
2. These waveforms are for the word mode.
Figure 20.
Chip/Sector Erase Operation Timings
February 9, 2005
Am29DL640H
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