X22C12
Write Cycle Limits
Symbol
t
WC
t
CW
t
AS
t
WP
t
WR
t
DW
t
DH
t
WZ
t
OW
Write Cycle
tWC
ADDRESS
tCW
CS
tAS
WE
tDW
DATA IN
tWZ
DATA OUT
3817 FHD F04
Parameter
Write Cycle Time
Chip Select to End of Write
Address Setup Time
Write Pulse Width
Write Recovery Time
Data Valid to End of Write
Data Hold Time
Write Enable to Output in High Z
Output Active from End of Write
Min.
150
90
0
90
0
40
0
Max.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
3817 PGM T09.1
50
0
tWP
tWR
tDH
DATA VALID
tOW
Early Write Cycle
tWC
ADDRESS
tCW
CS
tAS
WE
tDW
DATA IN
DATA VALID
tDH
tWP
tWR
HIGH Z
DATA OUT
3817 FHD F05
6