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| MC74VHC125_11 Datasheet, PDF (4/9 Pages) ON Semiconductor – Quad Bus Buffer with 3−State Control Inputs | |||
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MC74VHC125
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPLH,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPHL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPZL,
tPZH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPLZ,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPHZ
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tOSLH,
tOSHL
Parameter
Maximum Propagation Delay,
A to Y
Maximum Output Enable TIme,
OE to Y
Maximum Output Disable Time,
OE to Y
OutputâtoâOutput Skew
Test Conditions
VCC = 3.3 $ 0.3V CL = 15 pF
CL = 50 pF
VCC = 5.0 $ 0.5V CL = 15 pF
CL = 50 pF
VCC = 3.3 $ 0.3V CL = 15 pF
RL = 1 kW
CL = 50 pF
VCC = 5.0 $ 0.5V CL = 15 pF
RL = 1 kW
CL = 50 pF
VCC = 3.3 $ 0.3V CL = 50 pF
RL = 1 kW
VCC = 5.0 $ 0.5V CL = 50 pF
RL = 1 kW
VCC = 3.3 $ 0.3V CL = 50 pF
(Note 1)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VCC=5.0$0.5V CL=50pF
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ (Note 1)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Cin Maximum Input Capacitance
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Cout Maximum ThreeâState Output
Capacitance (Output in High
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Impedance State)
TA = 25°C
Min Typ Max
5.6 8.0
8.1 11.5
3.8 5.5
5.3 7.5
5.4 8.0
7.9 11.5
3.6 5.1
5.1 7.1
9.5 13.2
6.1 8.8
1.5
1.0
4 10
6
TA = ⤠85°C
Min Max
1.0 9.5
1.0 13.0
1.0 6.5
1.0 8.5
1.0 9.5
1.0 13.0
1.0 6.0
1.0 8.0
1.0 15.0
1.0 10.0
1.5
1.0
10
TA = â¤
125°C
Min Max Unit
1.0 12.0 ns
1.0 16.0
1.0 8.5
1.0 10.5
1.0 11.5 ns
1.0 15.0
1.0 7.5
1.0 9.5
1.0 18.0 ns
1.0 12.0
1.5 ns
1.0
10 pF
pF
Typical @ 25°C, VCC = 5.0 V
CPD Power Dissipation Capacitance (Note 2)
14
pF
1. Parameter guaranteed by design. tOSLH = |tPLHm â tPLHn|, tOSHL = |tPHLm â 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
noâload dynamic power consumption; PD = CPD VCC2 fin + ICC VCC.
NOISE CHARACTERISTICS (Input tr = tf = 3.0 ns, CL = 50 pF, VCC = 5.0 V)
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
â0.3
â0.8
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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