S29AL004D SPANSION, S29AL004D Datasheet - Page 48

• 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
* For sector protect, A6 = 0, A1 = 1, A0 = 0. For sector unprotect, A6 = 1, A1 = 1, A0 = 0.
46
RESET#
SA, A6,
A1, A0
WE#
Data
OE#
CE#
V
V
ID
IH
1 µs
Sector Protect/Unprotect
Figure 23. Sector Protect/Unprotect Timing Diagram
60h
Valid*
60h
A d v a n c e
S29AL004D
Sector Unprotect: 15 ms
Sector Protect: 150 µs
I n f o r m a t i o n
Valid*
Verify
40h
S29AL004D_00_A1 February 18, 2005
Status
Valid*