10
White Electronic Designs Corporation • Phoenix, AZ • (602) 437-1520
Addresses
WE
OE
CS
Data
5.0 V
5555H PA PA
t
WC
t
WS
PD
D
7
D
OUT
t
AH
t
CPH
t
CP
t
DH
t
DS
Data Polling
t
AS
t
GHEL
A0H
t
WHWH1
FIG. 9
ALTERNATE CS CONTROLLED
PROGRAMMING OPERATION TIMINGS
NOTES:
1. PA represents the address of the memory location to be programmed.
2. PD represents 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 the last two bus cycles of a four bus cycle sequence.
WF512K32-XXX5