AS6YB51216
&
Truth table
Supply
CS1
H
X
CS2
WE
X
OE
X
LB
X
X
H
L
UB
X
X
H
X
L
Current I/O1–I/O8 I/O9–I/O16
Mode
X
L
X
X
ISB
ICC
ICC
High Z
High Z
Standby (ISB)
X
X
H
H
X
X
L
H
H
H
H
High Z
High Z
Output disable (ICC)
Read (ICC)
L
X
L
H
L
DOUT
High Z
DOUT
DIN
High Z
DOUT
DOUT
High Z
DIN
L
L
H
H
H
L
L
H
L
L
L
H
L
X
H
L
ICC
High Z
DIN
Write (ICC)
L
DIN
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
Description
Test Conditions
Min
1.65
1.4
Max
Unit
V
Supply voltage
-
-
2.2
VOH
VOL
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Load Current
Output Load Current
IOH = –0.1mA
IOL = 0.1mA
VCC = 1.65V
VCC = 1.65V
VCC = 2.2V
VCC = 1.65V
V
0.2
VCC + 0.2
0.4
V
VIH
1.4
–0.2
–1
V
VIL
V
IIX
GND < VIN < VCC
GND < VO < VCC; Outputs High Z
+1
µA
µA
IOZ
–1
+1
VCC = 2.2V
VCC Operating Supply
Current
IOUT = 0mA,
f = 0
ICC
1
2
mA
mA
mA
ICC1
@
Average VCC Operating
Supply Current at 1 MHz
IOUT = 0mA,
f =1MHz
VCC = 2.2V
VCC = 2.2V
1 MHz
15 mA at 70ns
10 mA at 85ns
Average VCC Operating
Supply Current
ICC2
IOUT = 0mA, f = fMax
CS1 > VCC – 0.2V or
CS Power Down Current; CS2< 0.2V or UB = LB
ISB
VCC = 2.2V
VCC = 2.2V
100
µA
µA
TTL Inputs
> VIH, other inputs =
VIL or VIH, f = 0
CS1 > VCC – 0.2V or
CS2< 0.2V
UB = LB > VCC – 0.2V
other inputs = 0V –
VCC, f = fMax
CS Power Down Current;
CMOS Inputs
ISB1
15
11/1/01; V.0.9.8
Alliance Semiconductor
P. 3 of 11
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
