MFM8516 - 70/90/12/15
ISSUE 4.7 : NOVEMBER 1998
AC Waveforms for Toggle Bit During Embedded Algorithm Operations
CS
WE
t
OEH
OE
*
DATA
(D0-D7)
D6 = Toggle
D6 = Toggle
D6 =
Stop Toggling
D0-D7
Valid
t
OE
* D6 stops toggling ( the device has completed the embedded operations)
AC Waveforms Chip / Sector Erase
t
AS
Address
t
AH
2AAAH
5555H
5555H
2AAAH
SA
5555H
CS
t
GHWL
OE
t
WP
WE
t
CS
t
WPH
t
DH
Data
t
DS
Vcc
t
VCS
AAH
55H
80H
AAH
55H
10H/30H
NOTES:
1. SA is the address for sector erase. Addresses = don't care for Chip Erase.
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