7
White Electronic Designs Corporation • Phoenix, AZ • (602) 437-1520
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. D
7 is the output of the complement of the data written to the device (for each chip).
4. D
OUT is the output of the data written to the device.
5. Figure indicates last two bus cycles of four bus cycle sequence.
FIG. 6
WRITE/ERASE/PROGRAM
OPERATION, WE CONTROLLED
Addresses
CS
OE
WE
Data
5.0 V
5555H PA PA
t
WC
tCS
PD
D7
DOUT
tAH
tWPH
tDH
tDS
Data Polling
tAS
tRC
tWP
A0H
tOE
tDF
tOH
tCE
tGHWL
tWHWH1
WF512K32-XXX5