UM61512A
Truth Table
Mode
Standby
CE1
H
X
Output Disable
Read
Write
Note: X = H or L
L
L
L
CE2
X
L
H
H
H
OE
X
X
H
L
X
WE
X
X
H
H
L
I/O Operation
High Z
High Z
High Z
D
OUT
D
IN
Supply Current
I
SB
, I
SB1
I
SB
, I
SB2
I
CC1
I
CC1
I
CC1
Capacitance
(T
A
= 25°C, f = 1.0 MHz)
Symbol
C
IN
*
C
I/O
*
Parameter
Input Capacitance
Input/Output Capacitance
Min.
Max.
8
10
Unit
pF
pF
Conditions
V
IN
= 0V
V
I/O
= 0V
* These parameters are sampled and not 100% tested.
AC Characteristics
(T
A
= 0°C to +70°C, VCC = 5V
±
10%)
Symbol
Parameter
UM61512A-15
Min.
Read Cycle
t
RC
t
AA
t
ACE1
t
ACE2
t
OE
t
CLZ1
t
CLZ2
t
OLZ
t
CHZ1
t
CHZ2
t
OHZ
t
OH
Output Disable to Output in High Z
Output Hold from Address Change
Output Enable to Output in Low Z
Chip Disable to Output in High Z
CE1
CE2
Output Enable to Output Valid
Chip Enable to Output in Low Z
CE1
CE2
Read Cycle Time
Address Access Time
Chip Enable Access Time
CE1
CE2
15
-
-
-
-
5
5
2
-
-
2
3
-
15
15
15
7
-
-
-
10
10
9
-
20
-
-
-
-
5
5
2
-
-
2
5
-
20
20
20
9
-
*
-
10
10
9
-
25
-
-
-
-
5
5
2
-
-
2
5
-
25
25
25
12
-
-
-
15
15
10
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max.
UM61512A-20
Min.
Max.
UM61512A-25
Min.
Max.
Unit
4
UMC [ UMC CORPORATION ]
