1+$ + "
READ CYCLE SWITCHING CHARACTERISTICS
(1)
(Over Operating Range)
Symbol
Parameter
Read Cycle Time
Address Access Time
Output Hold Time
CE1
Access Time
CE2 Access Time
OE
Access Time
Min.
35
3
0
0
3
3
0
-35
Max.
35
35
35
10
10
10
-45
Min. Max.
45
3
0
0
5
5
0
45
45
45
20
15
15
Min.
55
3
0
0
7
7
0
-55
Max.
55
55
55
25
20
20
Min.
70
3
0
0
10
10
0
-70
Max.
70
70
70
35
25
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
RC
t
AA
t
OHA
t
ACE
t
ACE
t
DOE
t
LZOE
OE
to Low-Z Output
t
HZOE
OE
to High-Z Output
t
LZCE
CE1
to Low-Z Output
t
LZCE
CE2 to Low-Z Output
t
HZCE
CE1
or CE2 to High-Z Output
Notes:
1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V
and output loading specified in .igure 1a.
2. Tested with the load in .igure 1b. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
AC TEST CONDITIONS
Parameter
Input Pulse Level
Input Rise and .all Times
Input and Output Timing
and Reference Level
Output Load
Unit
0V to 3.0V
5 ns
1.5V
See .igures 1a and 1b
AC TEST LOADS
480
Ω
5V
5V
480
Ω
OUTPUT
100 pF
Including
jig and
scope
255
Ω
OUTPUT
5 pF
Including
jig and
scope
255
Ω
.igure 1a.
4
.igure 1b.
Integrated Circuit Solution Inc.
ALSR005-0A
ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
