MBM29F017A-70/-90/-12
A 0 to A 20
3rd Bus Cycle
XXXH
t WC
PA
t AS t AH
Data Polling
PA
WE
OE
CE
Data
t WS
t WH
t GHEL
t CP
t CPH
t WHWH1
t DS
t DH
A 0H
PD
DQ 7 D OUT
Notes: 1. PA is address of the memory location to be programmed.
2. PD is data to be programmed at byte address.
3. DQ7 is the output 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.
Figure 7 Alternate CE Controlled Program Operation Timings
31