AS6YB51216
Truth table
CS1
H
X
X
L
L
L
CS2
X
L
X
H
H
H
WE
X
X
X
H
H
H
OE
X
X
X
H
H
L
LB
X
X
H
L
X
L
H
L
L
L
H
L
X
H
L
UB
X
X
H
X
L
H
L
L
H
L
L
I
CC
I
CC
I
CC
High Z
D
OUT
High Z
D
OUT
D
IN
High Z
D
IN
High Z
High Z
D
OUT
D
OUT
High Z
D
IN
D
IN
Write (I
CC
)
Read (I
CC
)
Output disable (I
CC
)
I
SB
High Z
High Z
Standby (I
SB
)
Supply
Current
I/O1–I/O8 I/O9–I/O16
Mode
Key: X = Don’t care, L = Low, H = High.Recommended operating condition (over the operating range)
DC Recommended operating condition (over the operating range)
Parameter
Vcc
V
OH
V
OL
V
IH
V
IL
I
IX
I
OZ
I
CC
I
CC1
@
1 MHz
I
CC2
Description
Supply voltage
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Load Current
Output Load Current
V
CC
Operating Supply
Current
Average V
CC
Operating
Supply Current at 1 MHz
Average V
CC
Operating
Supply Current
-
I
OH
= –0.1mA
I
OL
= 0.1mA
Test Conditions
-
V
CC
= 1.65V
V
CC
= 1.65V
V
CC
= 2.2V
V
CC
= 1.65V
GND < V
IN
< V
CC
GND < V
O
< V
CC;
Outputs High Z
I
OUT
= 0mA,
f=0
I
OUT
= 0mA,
f =1MHz
I
OUT
= 0mA, f = f
Max
V
CC
= 2.2V
1.4
–0.2
–1
–1
Min
1.65
1.4
0.2
V
CC
+ 0.2
0.4
+1
+1
1
2
15 mA at 70ns
10 mA at 85ns
100
Max
2.2
Unit
V
V
V
V
V
µ
A
µ
A
mA
mA
mA
V
CC
= 2.2V
V
CC
= 2.2V
I
SB
CS1 > V
CC
– 0.2V or
CS Power Down Current; CS2< 0.2V or UB = LB
TTL Inputs
> V
IH
, other inputs =
V
IL
or V
IH
, f = 0
CS1 > V
CC
– 0.2V or
CS2< 0.2V
CS Power Down Current;
UB = LB > V
CC
– 0.2V
CMOS Inputs
other inputs = 0V –
V
CC
, f = f
Max
V
CC
= 2.2V
µ
A
I
SB1
V
CC
= 2.2V
15
µ
A
11/1/01; V.0.9.8
Alliance Semiconductor
P. 3 of 11
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
