Write/Erase/Program Operation for Flash Memory, FCE Controlled
Data Polling
5555H
PA
PA
Addresses
tWC
tAS
tAH
FCE
OE
tGHWL
tCP
tWHWH1
FWE
tCPH
tWS
tDH
AOH
PD
D7
DOUT
Data
5.0V
tDS
Notes:
1. PA is the address of the memory location to be programmed.
2. PD is the data to be programmed at byte address.
3. D7 is the 0utput of the complement of the data written to the device.
4. DOUT is the output of the data written to the device.
5. Figure indicates last two bus cycles of four bus cycle sequence.
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Aeroflex Circuit Technology
SCD1663 REV A 4/28/98 Plainview NY (516) 694-6700