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MC74VHCT257A Datasheet, PDF (4/8 Pages) ON Semiconductor – Quad 2-Channel Multiplexer with 3-State Outputs | |||
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MC74VHCT257A
DC CHARACTERISTICS (Voltages Referenced to GND)
Symbol
Parameter
VCC
Condition
(V)
VIH
Minimum HighâLevel
Input Voltage
4.5 to
5.5
VIL
Maximum LowâLevel
Input Voltage
4.5 to
5.5
VOH
Maximum HighâLevel VIN = VIH or VIL
Output Voltage
IOH = â50 µA
4.5
VIN = VIH or VIL
IOH = â8 mA
4.5
VOL
Maximum LowâLevel VIN = VIH or VIL
Output Voltage
IOL = 50 µA
4.5
VIN = VIH or VIL
IOH = 8 mA
4.5
IIN
Input Leakage Current VIN = 5.5 V or GND
0 to
5.5
IOZ
Maximum 3âState
VIN = VIH or VIL
5.5
Leakage Current
VOUT = VCC or GND
ICCT
Maximum Quiescent VIN = VCC or GND
5.5
Supply Current
TA = 25°C
Min Typ Max
2
0.8
3.94
3.94
0
0.1
0.36
±0.1
±0.25
4.0
TA ⤠85°C
Min Max
2
0.8
3.8
3.8
0.1
0.44
±1.0
±2.5
40.0
â55°C ⤠TA ⤠125°C
Min
Max Unit
2
V
0.8
V
V
3.66
3.66
V
0.1
0.52
±1.0 µA
±2.5 µA
40.0 µA
ICC
Additional Quiescent VIN = VCC or GND
5.5
Supply Current
(per pin)
1.35
1.5
1.5
µA
IOPD
Output Leakage
VOUT = 5.5 V
0
Current
0.5
5
5
µA
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPLH,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPHL
Parameter
Maximum
Propagation Delay,
A or B to Y
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPLH,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPHL
Maximum
Propagation Delay,
S to Y
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPZL,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPZH
Maximum Output
Enable,
Time, OE to Y
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPLZ,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPHZ
Maximum Output
Disable,
Time, OE to Y
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ CIN MaximumInput
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Capacitance
Test Conditions
VCC = 3.3 ± 0.3V
CL = 15pF
CL = 50pF
VCC = 5.0 ± 0.5V
CL = 15pF
CL = 50pF
VCC = 3.3 ± 0.3V
CL = 15pF
CL = 50pF
VCC = 5.0 ± 0.5V
CL = 15pF
CL = 50pF
VCC = 3.3 ± 0.3V
RL = 1 kW
CL = 15pF
CL = 50pF
VCC = 5.0 ± 0.5V
RL = 1 kW
CL = 15pF
CL = 50pF
VCC = 3.3 ± 0.3V
RL = 1 kW
CL = 50pF
VCC = 5.0 ± 0.5V
RL = 1 kW
CL = 50pF
TA = 25°C
Min Typ Max
5.8 9.3
8.3 12.8
3.6 5.9
5.1 7.9
7.0 11.0
9.5 14.5
4.0 6.8
5.5 8.8
6.7 10.5
9.2 14.0
3.6 6.8
5.1 11.0
10.5 14.0
9.5 12.0
4
10
TA = ⤠85°C
Min Max
1.0 11.0
1.0 14.5
1.0 7.0
1.0 9.0
1.0 13.0
1.0 16.5
1.0 8.0
1.0 10.0
1.0 12.5
1.0 16.0
1.0 8.0
12.0 10.0
1.0 15.0
â55°C ⤠TA ⤠125°C
Min
Max Unit
1.0
11.0
ns
1.0
14.5
1.0
7.0
1.0
9.0
1.0
13.0
ns
1.0
16.5
1.0
8.0
1.0
10.0
1.0
12.5
ns
1.0
16.0
1.0
8.0
1.0
12.0
1.0
15.0
ns
1.0 13.0
1.0
13.0
10
10
pF
Typical @ 25°C, VCC = 5.0 V
CPD
Power Dissipation Capacitance (Note 1.)
20
pF
1. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: ICC(OPR) = CPD VCC fin + ICC. CPD is used to determine the noâload dynamic
power consumption; PD = CPD VCC2 fin + ICC VCC.
http://onsemi.com
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