4
PS2087H 11/10/09
PI74LCX16244
3.3V 16-Bit Buffer/Line Driver
Notes:
1. For Max. or Min. conditions, use appropriate value specifi ed under Electrical Characteristics for the applicable device type.
2. Typical values are at V
DD
= 3.3V, +25°C ambient.
3. Per TTL driven input; all other inputs at V
DD
or GND.
Capacitance
Parameters Description Test Conditions Typ. Units
C
IN
Input Capacitance V
DD
= Open, V
I
= 0V or V
DD
3
pFC
OUT
Output Capacitance V
DD
= 3.3V, V
I
= 0V or V
DD
3
C
PD
Power Dissipation Capacitance V
DD
= 3.3V, V
I
= 0V or V
DD
, F = 10 MHz 20
DC Electrical Characteristics (Over the Operating Range, T
A
= –40°C to +85°C, V
DD
= 2.7V to 3.6V)
Parameters Description Test Conditions
(1)
Min. Typ.
(2)
Max. Units
V
IH
Input HIGH Voltage Guaranteed Logic HIGH Level 2.0
V
V
IL
Input LOW Voltage Guaranteed Logic LOWLevel 0.8
V
OH
Output HIGH Voltage
V
DD
= 2.7 - 3.6 I
OH
= -0.1mA V
DD
-0.2
V
DD
= 2.7 I
OH
= -12mA 2.2
V
DD
= 3.0
I
OH
= -18mA 2.4
I
OH
= -24mA 2.2
V
OL
Output LOW Voltage
V
DD
=2.7 - 3.6 I
OL
= 0.1mA 0.2
V
DD
= 2.7 I
OL
= 12mA 0.4
V
DD
= 3.0
I
OL
= 16mA 0.4
I
OL
= 24mA 0.55
V
IK
Clamp Dioide Voltage V
DD
= Min., I
IN
= -18mA -0.7 -1.2
I
I
Input Leakage Current 0 ≤ V
I
≤ 5.5V V
DD
= 2.7 -3.6 ±5
μA
I
OZ
Tri-State Output Leakage
0 ≤ V
O
≤ 5.5V
V
I
= V
IH
or V
IL
V
DD
= 2.7 -3.6 ±5
I
OFF
Power Down Disable V
DD
= 0V, V
IN
or V
OUT
≤ 5.5V 10
I
DD
Quiescent Power supply current V
DD
= Max. V
IN
= GND or V
DD
0.1 10
∆I
DD
Quiescent Power supply current
TTL Inputs High
V
DD
= Max. V
IN
= V
DD
=0.6V
(3)
500
