48 Am29DL320G
AC CHARACTERISTICS
t
GHEL
t
WS
OE#
CE#
WE#
RESET#
t
DS
Data
t
AH
Addresses
t
DH
t
CP
DQ7# D
OUT
t
WC
t
AS
t
CPH
PA
Data# Polling
A0 for program
55 for erase
t
RH
t
WHWH1 or 2
RY/BY#
t
WH
PD for program
30 for sector erase
10 for chip erase
555 for program
2AA for erase
PA for program
SA for sector erase
555 for chip erase
t
BUSY
otes:
. Figure indicates la st two bus cycles of a program or erase operation.
. PA = program address, SA = sector address, PD = progr am data.
. DQ7# is the complement of the data written to the device . D
OUT
is the data written to the device .
. Waveforms are fo r the word mode.
Figure 27. Alternate CE# Controlled Write (Erase/Program) Operation Timings