MBM29DL32XTE/BE80/90
3rd Bus Cycle
Data Polling
Address
555h
PA
PA
tWC
tAS
tAH
WE
tWS
tWH
OE
CE
tGHEL
tCP
tCPH
tWHWH1
tDS
tDH
A0h
PD
DQ7
DOUT
Data
Notes : • PA is address of the memory location to be programmed.
• PD is data to be programmed at byte address.
• DQ7 is the output of the complement of the data written to the device.
• DOUT is the output of the data written to the device.
• Figure indicates last two bus cycles out of four bus cycle sequence.
• These waveforms are for the ×16 mode. (The addresses differ from ×8 mode.)
Alternate CE Controlled Program Operation Timing Diagram
60