S29AL004D SPANSION, S29AL004D Datasheet - Page 45

• Manufacturer Part Number: S29AL004D
• Description: 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
• Manufacturer: SPANSION

AC Characteristics
February 18, 2005 S29AL004D_00_A1
Notes:
1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see
2. Illustration shows device in word mode.
Addresses
page
RY/BY#
WE#
Data
OE#
CE#
V
CC
26).
t
VCS
t
Erase Command Sequence (last two cycles)
CS
2AAh
t
WC
A d v a n c e
t
Figure 18. Chip/Sector Erase Operation Timings
WP
t
DS
55h
t
t
DH
CH
555h for chip erase
t
WPH
I n f o r m a t i o n
t
AS
SA
S29AL004D
10 for Chip Erase
t
AH
30h
t
BUSY
t
WHWH2
Read Status Data
VA
Write Operation Status‚ on
Progress
In
VA
Complete
t
RB
43