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MC74VHC125 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. MC74VHC125
Description  Quad Bus Buffer
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC74VHC125 Datasheet(HTML) 3 Page - ON Semiconductor

   
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MC74VHC125
http://onsemi.com
3
IIN
Maximum Input
Leakage Current
VIN = 5.5V or GND
0 to
5.5
±0.1
±1.0
±1.0
µA
ICC
Maximum Quiescent
Supply Current
VIN = VCC or GND
5.5
4.0
40
40
µA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns)
TA = 25°C
TA = ≤ 85°C
TA = ≤ 125°C
Symbol
Parameter
Test Conditions
Min
Typ
Max
Min
Max
Min
Max
Unit
tPLH,
tPHL
Maximum Propagation
Delay,
AtoY
VCC = 3.3 ± 0.3V
CL = 15pF
CL = 50pF
5.6
8.1
8.0
11.5
1.0
1.0
9.5
13.0
1.0
1.0
12.0
16.0
ns
A to Y
VCC = 5.0 ± 0.5V
CL = 15pF
CL = 50pF
3.8
5.3
5.5
7.5
1.0
1.0
6.5
8.5
1.0
1.0
8.5
10.5
tPZL,
tPZH
Maximum Output Enable
TIme,
OE to Y
VCC = 3.3 ± 0.3V
CL = 15pF
RL = 1kΩ
CL = 50pF
5.4
7.9
8.0
11.5
1.0
1.0
9.5
13.0
1.0
1.0
11.5
15.0
ns
OE to Y
VCC = 5.0 ± 0.5V
CL = 15pF
RL = 1kΩ
CL = 50pF
3.6
5.1
5.1
7.1
1.0
1.0
6.0
8.0
1.0
1.0
7.5
9.5
tPLZ,
tPHZ
Maximum Output
Disable Time,
OE to Y
VCC = 3.3 ± 0.3V
CL = 50pF
RL = 1kΩ
9.5
13.2
1.0
15.0
1.0
18.0
ns
OE to Y
VCC = 5.0 ± 0.5V
CL = 50pF
RL = 1kΩ
6.1
8.8
1.0
10.0
1.0
12.0
tOSLH,
tOSHL
Output–to–Output Skew
VCC = 3.3 ± 0.3V
CL = 50pF
(Note 1.)
1.5
1.5
1.5
ns
VCC = 5.0 ± 0.5V
CL = 50pF
(Note 1.)
1.0
1.0
1.0
Cin
Maximum Input
Capacitance
4
10
10
10
pF
Cout
Maximum Three–State
Output Capacitance
(Output in High
Impedance State)
6
pF
Typical @ 25
°C, VCC = 5.0V
CPD
Power Dissipation Capacitance (Note 2.)
14
pF
1. Parameter guaranteed by design. tOSLH = |tPLHm – tPLHn|, tOSHL = |tPHLm – tPHLn|.
2. 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 / 4 (per buffer). CPD is used to determine the
no–load dynamic power consumption; PD = CPD  VCC2  fin + ICC  VCC.
NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V)
TA = 25°C
Symbol
Characteristic
Typ
Max
Unit
VOLP
Quiet Output Maximum Dynamic VOL
0.3
0.8
V
VOLV
Quiet Output Minimum Dynamic VOL
– 0.3
– 0.8
V
VIHD
Minimum High Level Dynamic Input Voltage
3.5
V
VILD
Maximum Low Level Dynamic Input Voltage
1.5
V


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