74ACT257_01 Datasheet, PDF (4/11 Pages) STMicroelectronics – QUAD 2 CHANNEL MULTIPLEXER (3-STATE)

74ACT257
DC SPECIFICATIONS
Test Condition
Value
Symbol
Parameter
V_CC
(V)
T_A = 25°C
Min. Typ. Max.
V_IH High Level Input
4.5
V_O = 0.1 V or
Voltage
5.5
V_CC-0.1V
V_IL Low Level Input
Voltage
4.5
V_O = 0.1 V or
5.5
V_CC-0.1V
V_OH High Level Output 4.5
Voltage
5.5
I_O=-50 µA
I_O=-50 µA
4.5
I_O=-24 mA
5.5
I_O=-24 mA
V_OL Low Level Output 4.5
Voltage
5.5
I_O=50 µA
I_O=50 µA
4.5
I_O=24 mA
5.5
I_O=24 mA
I_I
Input Leakage Cur-
rent
5.5
V_I = V_CC or GND
I_OZ High Impedance
Output Leakege
Current
5.5
V_I = V_IH or V_IL
V_O = V_CC or GND
I_CCT Max I_CC/Input
5.5 V_I = V_CC - 2.1V
I_CC
Quiescent Supply
Current
5.5 V_I = V_CC or GND
I_OLD
I_OHD
Dynamic Output
Current (note 1, 2)
5.5 ^{VOLD = 1.65 V max}
V_OHD = 3.85 V min
1) Maximum test duration 2ms, one output loaded at time
2.0
2.0
4.4
5.4
3.86
4.86
1.5
1.5
1.5
1.5
4.49
5.49
0.001
0.001
0.6
0.8
0.8
0.1
0.1
0.36
0.36
± 0.1
± 0.5
4
2) Incident wave switching is guaranteed on trasmission lines with impedances as low as 50Ω
-40 to 85°C -55 to 125°C
Min. Max. Min. Max.
2.0
2.0
2.0
2.0
0.8
0.8
0.8
0.8
4.4
4.4
5.4
5.4
3.76
3.7
4.76
4.7
0.1
0.1
0.1
0.1
0.44
0.5
0.44
0.5
±1
±1
±5
±5
1.5
1.6
40
80
75
50
-75
-50
Unit
V
V
V
µA
mA
mA
µA
mA
mA
AC ELECTRICAL CHARACTERISTICS (C_L = 50 pF, R_L = 500 Ω, Input t_r = t_f = 3ns)
Test Condition
Value
Symbol
Parameter
V_CC
(V)
t_PLH t_PHL Propagation Delay
Time A, B to Y
t_PLH t_PHL Propagation Delay
Time SELECT to Y
t_PZL t_PZH Output Enable
Time
t_PLZ t_PHZ Output Disable
Time
5.0^(*)
5.0^(*)
5.0^(*)
5.0^(*)
T_A = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
5.0 8.0
9.0
9.0 ns
6.0 9.0
10.0
10.0 ns
5.0 8.0
9.0
9.0 ns
6.0 9.0
10.0
10.0 ns
(*) Voltage range is 5.0V ± 0.5V
4/11