ISSUE 4.7 : NOVEMBER 1998
MFM8516 - 70/90/12/15
Write/Erase/Program Alternate CS controlled Writes
Parameter
Symbol
min
70
typ
-
-
-
-
-
-
-
-
-
-
-
16
2
14
50
max
-
-
-
-
-
-
-
-
-
-
-
-
30
120
-
min
90
0
45
45
0
0
0
0
0
45
20
-
-
-
-
90
typ
-
-
-
-
-
-
-
-
-
-
-
16
2
14
50
max
-
-
-
-
-
-
-
-
-
-
-
-
30
120
-
unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
us
sec
sec
us
Write Cycle time
(2)
Address Setup time
Address Hold time
Data Setup Time
Data hold Time
Output Enable Setup Time
Read Recover before Write
WE setup time
WE hold time
CS Pulse Width
CS Pulse Width High
Programming operation
Sector Erase operation
(1)
Chip Erase operation
(1)
Vcc setup time
(2)
t
WC
t
AS
t
AH
t
DS
t
DH
t
OES
t
GHEL
t
WS
t
WH
t
CP
t
CPH
t
WHWH1
t
WHWH2
t
WHWH3
t
VCS
70
0
45
30
0
0
0
0
0
35
20
-
-
-
-
Parameter
Symbol
min
120
typ
-
-
-
-
-
-
-
-
-
-
-
16
2
14
50
max
-
-
-
-
-
-
-
-
-
-
-
-
30
120
-
min
150
0
50
50
0
0
0
0
0
50
20
-
-
-
-
150
typ
-
-
-
-
-
-
-
-
-
-
-
16
2
14
50
max
-
-
-
-
-
-
-
-
-
-
-
-
30
120
-
unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
us
sec
sec
us
Write Cycle time
(2)
Address Setup time
Address Hold time
Data Setup Time
Data hold Time
Output Enable Setup Time
Read Recover before Write
WE setup time
WE hold time
CS Pulse Width
CS Pulse Width High
Programming operation
Sector Erase operation
(1)
Chip Erase operation
(1)
Vcc setup time
(2)
t
WC
t
AS
t
AH
t
DS
t
DH
t
OES
t
GHEL
t
WS
t
WH
t
CP
t
CPH
t
WHWH1
t
WHWH2
t
WHWH3
t
VCS
120
0
50
50
0
0
0
0
0
50
20
-
-
-
-
Note: (1) Does not include pre-programming time.
(2) Not 100% tested.
6