D A T A S H E E T
AC Characteristics
555 for program
2AA for erase
PA for program
SA for sector erase
555 for chip erase
Data# Polling
Addresses
PA
tWC
tAS
tAH
tWH
WE#
OE#
tPOLL
tGHEL
tWHWH1 or 2
tCP
CE#
tWS
tCPH
tDS
tBUSY
tDH
DQ7#,
DQ15
DOUT
Data
tRH
A0 for program
55 for erase
PD for program
30 for sector erase
10 for chip erase
RESET#
RY/BY#
Notes:
1. Figure indicates last two bus cycles of a program or erase operation.
2. PA = program address, SA = sector address, PD = program
data.
3. DQ7# is the complement of the data written to the device.
DOUT is the data written to the device.
4. Illustration shows device in word mode.
Figure 25. Alternate CE# Controlled Write (Erase/Program)
Operation Timings
December 14, 2005
Am29LV640MH/L
55