User Manual

DS1220Y
091295 4/8
AC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V
CC
=5.0V ± 10%)
PARAMETER
SYM
DS1220Y-100 DS1220Y-120 DS1220Y-150 DS1220Y-200
UNITS
NOTE
PARAMETER SYM
MIN MAX MIN MAX MIN MAX MIN MAX
UNITS NOTE
Read Cycle Time t
RC
100 120 150 200 ns
Access Time t
ACC
100 120 150 200 ns
OE to Output
Valid
t
OE
50 60 70 100 ns
CE to Output
Valid
t
CO
100 120 150 200 ns
OE or CE to
Output Active
t
COE
5 5 5 5 ns 5
Output High Z
from Deselection
t
OD
35 35 35 35 ns 5
Output Hold from
Address Change
t
OH
5 5 5 5 ns
Write Cycle Time t
WC
100 120 150 200 ns
Write Pulse Width t
WP
75 90 100 150 ns 3
Address Setup
T ime
t
AW
0 0 0 0 ns
Write Recovery
T ime
t
WR1
t
WR2
0
10
0
10
0
10
0
10
ns
ns
11
12
Output High Z
from WE
t
ODW
35 35 35 35 ns 5
Output Active
from WE
t
OEW
5 5 5 5 ns 5
Data Setup T ime t
DS
40 50 60 80 ns 4
Data Hold T ime t
DH1
t
DH2
0
10
0
10
0
10
0
10
ns
ns
11
12