MBM29DL32XTE/BE80/90
Data Polling
3rd Bus Cycle
555h
Address
PA
PA
tWC
tRC
tAS
tAH
CE
tCH
tCS
tCE
OE
tWP
tWPH
tOE
tGHWL
tWHWH1
WE
tOH
tDF
tDS
tDH
A0h
PD
DQ7
DOUT
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 WE Controlled Program Operation Timing Diagram
59