MFM8516 - 70/90/12/15
ISSUE 4.7 : NOVEMBER 1998
AC Waveforms for Read Operation
t
RC
Address
CS
t
OE
OE
WE
Outputs
High Z
Address Stable
t
ACC
t
DF
t
CE
Output Valid
t
OH
High Z
AC Waveforms Program
Data Polling
Address
5555H
PA
PA
t
WC
CS
OE
t
AS
t
GHWL
t
WP
t
WHP
t
AH
t
RC
t
WHWH1
WE
DATA
V
CC
t
CS
A0H
t
DH
PD
D7
D
OUT
t
OE
t
DF
t
DS
t
CE
t
OH
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. D
OUT
is the output of the data written to the device.
5. Figure indicates last two bus cycles of four bus cycle sequence.
7
MOSAIC [ MOSAIC ]
