am29lv040b Meet Spansion Inc., am29lv040b Datasheet - Page 28
am29lv040b
Manufacturer Part Number
am29lv040b
Description
4 Mbit 512 K ? 8-bit
Manufacturer
Meet Spansion Inc.
Datasheet
1.AM29LV040B.pdf
(37 pages)
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AC CHARACTERISTICS
28
Note: PA = program address, PD = program data, D
Note: SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see “Write Operation Status”).
Addresses
Addresses
WE#
Data
OE#
CE#
V
WE#
Data
CE#
OE#
V
CC
CC
t
t
VCS
VCS
Program Command Sequence (last two cycles)
t
Erase Command Sequence (last two cycles)
CS
555h
t
CS
2AAh
t
WC
t
WC
Figure 13. Chip/Sector Erase Operation Timings
t
WP
t
DS
t
Figure 12. Program Operation Timings
WP
t
55h
DS
A0h
t
t
DH
CH
t
DH
t
CH
555h for chip erase
t
t
WPH
WPH
D A T A
OUT
t
AS
PA
t
Am29LV040B
AS
SA
is the true data at the program address.
10 for Chip Erase
t
AH
PD
S H E E T
t
AH
30h
t
WHWH1
Read Status Data (last two cycles)
t
WHWH2
PA
Read Status Data
Status
VA
Progress
21354E4 October 11, 2006
In
D
OUT
PA
VA
Complete