ISSUE 4.2:November1998
MFM8126S-70/90/12
AC Waveforms for Read Operation
Address Valid
tRC
Address
CS
tCE
tOE
tDF
OE
tOH
WE
tACC
Output
Valid
HIGH Z
HIGH Z
Data Out
AC Programming Waveforms
Data Polling
5555H
t
PA
PA
Address
tAS
tAH
t RC
CS
OE
tGHWL
t WHWH1
tDF
tWP
tOE
t WPH
WE
tCS
tDH
D
D
A0H
OUT
PD
7
tDS
DATA
5.0 V
tOH
tCE
Notes:
1. PA is address of the 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.
6
MOSAIC [ MOSAIC ]
