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| MC74VHC126_11 Datasheet, PDF (5/9 Pages) ON Semiconductor – Quad Bus Buffer with 3−State Control Inputs | |||
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MC74VHC126
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
Parameter
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPLH,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPHL
Maximum Propagation
Delay,
A to Y
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPZL,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPZH
Maximum Output
Enable TIme,
OE to Y
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPLZ,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPHZ
Maximum Output
Disable Time,
OE to Y
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tOSLH, OutputâtoâOutputSkew
tOSHL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Cin MaximumInput
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Capacitance
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Cout Maximum ThreeâState
Output Capacitance
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ (Output in High
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Impedance State)
Test Conditions
VCC = 3.3 ± 0.3 V CL = 15 pF
CL = 50 pF
VCC = 5.0 ± 0.5 V CL = 15 pF
CL = 50 pF
VCC = 3.3 ± 0.3 V CL = 15 pF
RL = 1.0 kΩ
CL = 50 pF
VCC = 5.0 ± 0.5 V CL = 15 pF
RL = 1.0 kΩ
CL = 50 pF
VCC = 3.3 ± 0.3 V CL = 50 pF
RL = 1.0 kΩ
VCC = 5.0 ± 0.5 V CL = 50 pF
RL = 1.0 kΩ
VCC = 3.3 ± 0.3 V CL = 50 pF
(Note 3)
VCC = 5.0 ± 0.5 V CL = 50 pF
(Note 3)
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
4.0 10
6.0
TA = ⤠85°C TA = ⤠125°C
Min Max Min Max Unit
1.0 9.5 1.0 12.0 ns
1.0 13.0 1.0 15.0
1.0 6.5 1.0 8.5
1.0 8.5 1.0 10.5
1.0 9.5 1.0 11.5 ns
1.0 13.0 1.0 15.0
1.0 6.0 1.0 7.5
1.0 8.0 1.0 9.5
1.0 15.0 1.0 18.0 ns
1.0 10.0 1.0 12.0
1.5
1.5 ns
1.0
1.0
10
10 pF
pF
Typical @ 25°C, VCC = 5.0V
CPD Power Dissipation Capacitance (Note 4)
15
pF
3. Parameter guaranteed by design. tOSLH = |tPLHm â tPLHn|, tOSHL = |tPHLm â tPHLn|.
4. 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)
Symbol
VOLP
VOLV
VIHD
VILD
Characteristic
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
TA = 25°C
Typ
Max
Unit
0.3
0.8
V
â 0.3
â 0.8
V
3.5
V
1.5
V
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