ISSUE 4.2:November1998
MFM8126S-70/90/12
A.C Waveforms - Alternate CS controlled Program operation timings
Data Polling
5555H
PA
PA
Address
tWC
tAS
tAH
WE
OE
tGHEL
tCP
tCPH
CS
tWS
tDH
D
OUT
A0H
PD
DQ7
DATA
VCC
tDS
NOTES:
1. PA is address of memory location to be programmed.
2. PD is data to be programmed at byte address.
3. D7 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.
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