Datasheet

DS1230Y/AB
4 of 12
CAPACITANCE (t
A
=25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
510pF
Input/Output Capacitance C
I/O
510pF
AC ELECTRICAL (V
CC
=5V ±=5% for DS1230AB)
CHARACTERISTICS (t
A
: See Note 10) (V
CC
=5V ±=10% for DS1230Y)
DS1230AB-70
DS1230Y-70
DS1230AB-85
DS1230Y-85
DS1230AB-100
DS1230Y-100
PARAMETER SYMBOL
MIN MAX MIN MAX MIN MAX
UNITS NOTES
Read Cycle
Time
t
RC
70 85 100 ns
Access Time t
ACC
70 85 100 ns
OE to Output
Valid
t
OE
35 45 50 ns
CE to Output
Valid
t
CO
70 85 100 ns
OE or CE to
Output Active
t
COE
555 ns5
Output High Z
from
Deselection
t
OD
25 30 35 ns 5
Output Hold
from Address
Change
t
OH
555 ns
Write Cycle
Time
t
WC
70 85 100 ns
Write Pulse
Width
t
WP
55 65 75 ns 3
Address Setup
Time
t
AW
000 ns
Write Recovery
Time
t
WR1
t
WR2
5
15
5
15
5
15
ns 12
13
Output High Z
from WE
t
ODW
25 30 35 ns 5
Output Active
from WE
t
OEW
555 ns5
Data Setup
Time
t
DS
30 35 40 ns 4
Data Hold
Time
t
DH1
t
DH2
0
10
0
10
0
10
ns 12
13