74AC244 Datasheet, PDF (3/8 Pages) STMicroelectronics – OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED

74AC244
DC SPECIFICATIONS
Symbol
P ar ame te r
Test Conditions
V _CC
(V)
Value
T_A = 25 ^oC
-40 to 85 ^oC
Min. Typ. Max. Min. Max.
VIH High Level Input Voltage
3.0
VO = 0.1 V or
2.1 1.5
2.1
4.5
V_CC - 0.1 V
3.15 2.25
3.15
5.5
3.85 2.75
3.85
VIL Low Level Input Voltage
3.0
4.5
VO = 0.1 V or
V_CC - 0.1 V
1.5 0.9
0.9
2.25 1.35
1.35
5.5
2.75 1.65
1.65
VOH High Level Output
Voltage
V_OL Low Level Output
Voltage
II Input Leakage Current
3.0
IO=-50 µA 2.9 2.99
2.9
4.5
V_I(*) =
I_O=-50 µA
4.4 4.49
4.4
5.5
VIH or IO=-50 µA 5.4 5.49
5.4
3.0
VIL
IO=-12 mA 2.56
2.46
4.5
IO=-24 mA 3.86
3.76
5.5
I_O=-24 mA 4.86
4.76
3.0
I_O=50 µA
0.002 0.1
0.1
4.5
V_I(*) =
IO=50 µA
0.001 0.1
0.1
5.5
V_IH or IO=50 µΑ
0.001 0.1
0.1
3.0
VIL
I_O=12 mA
0.36
0.44
4.5
IO=24 mA
0.36
0.44
5.5
IO=24 mA
0.36
0.44
5.5
VI = VCC or GND
±0.1
±1
I_OZ 3 State Output Leakage
5.5
Current
V_I = V_IH or V_IL
VO = VCC or GND
±0.5
±5
ICC Quiescent Supply
Current
5.5
VI = VCC or GND
8
80
I_OLD Dynamic Output Current
5.5
V_OLD = 1.65 V max
75
I_OHD ^{(note 1, 2)}
V_OHD = 3.85 V min
-75
1) Maximum test duration 2ms, one output loaded at time
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50 Ω.
(*) All outputs loaded.
Unit
V
V
V
V
µA
µA
µA
mA
mA
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