am29lv040b Meet Spansion Inc., am29lv040b Datasheet - Page 32

• Manufacturer Part Number: am29lv040b
• Description: 4 Mbit 512 K ? 8-bit
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
32
Notes:
1. PA = Program Address, PD = Program Data, DQ7# = complement of the data written to the device, D
2. Figure indicates the last two bus cycles of the command sequence.
to the device.
Addresses
WE#
Data
OE#
CE#
Figure 17. Alternate CE# Controlled Write Operation Timings
555 for program
2AA for erase
t
t
t
WS
WH
WC
A0 for program
55 for erase
t
GHEL
t
t
t
DS
PA for program
SA for sector erase
555 for chip erase
CP
CPH
t
AS
t
DH
D A T A
Am29LV040B
t
AH
PD for program
30 for sector erase
10 for chip erase
S H E E T
t
WHWH1 or 2
Data# Polling
DQ7#
PA
D
OUT
21354E4 October 11, 2006
OUT
is the data written