Datasheet

DS1220AB/AD
4 of 8
AC ELECTRICAL CHARACTERISTICS (T
A
: See Note 10)
(V
CC
= 5.0V ± 5% for DS1220AB)
(V
CC
= 5.0V ± 10% for DS1220AD)
PARAMETER SYMBOL
DS1220AB-100
DS1220AD-100
UNITS NOTES
MIN
MAX
Read Cycle Time
t
RC
100
ns
Access Time
t
ACC
100
ns
OE
to Output Valid
t
OE
50 ns
CE
to Output Valid
t
CO
100 ns
OE
or
CE
to Output Active
t
COE
5 ns 5
Output High Z from
Deselection
t
OD
35 ns 5
Output Hold from Address Change
t
OH
5
ns
Write Cycle Time
t
WC
100
ns
Write Pulse Width
t
WP
75
ns
3
Address Setup Time
t
AW
0
ns
Write Recovery Time
t
WR1
t
WR2
0
10
ns
ns
12
13
Output High from
WE
t
ODW
35 ns 5
Output Active from
WE
t
OEW
5 ns 4
Data Setup Time
t
DS
40
ns
4
Data Hold Time
t
DH1
t
DH2
0
10
ns
ns
12
13