A d v a n c e I n f o r m a t i o n
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
tWPH
tWH
tWP
WE#
OE#
tGHEL
tWHWH1 or 2
tCP
CE#
tWS
tCPH
tDS
tBUSY
tDH
DQ7#
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. PA = program address, PD = program data, DQ7# = complement of the data written to the device, DOUT = data
written to the device.
2. Figure indicates the last two bus cycles of the command sequence.
Figure 29. Alternate CE# Controlled Write Operation Timings
March 22, 2004 30606B0
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