Datasheet

NOT RECOMMENDED FOR NEW DESIGNS DS1225Y
4 of 8
AC ELECTRICAL CHARACTERISTICS (T
A
: See Note 10; V
CC
=5.0V ± 10%)
PARAMETER SYMBOL
DS1225Y-150
UNITS NOTES
MIN
MAX
Read Cycle Time
t
RC
150
ns
Access Time
t
ACC
150
ns
OE
to Output Valid
t
OE
70
ns
CE
to Output Valid
t
CO
150
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
AddressChange
t
OH
5
ns
Write Cycle Time
t
WC
150
ns
Write Pulse Width
t
WP
100
ns
3
Address Setup Time
t
AW
0
ns
Write Recovery Time
t
WR1
t
WR2
0
10
ns
ns
12
13
Output High Z from
WE
t
ODW
35
ns
5
Output Active from
WE
t
OEW
5
ns
5
Data Setup Time
t
DS
60
ns
4
Data Hold Time
t
DH1
t
DH2
0
10
ns
ns
12
13
CAPACITANCE (T
A
= +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
C
IN
10
pF
Input/Output Capacitance
C
I/O
10
pF