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74LCX540 Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. 74LCX540
Description  Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74LCX540 Datasheet(HTML) 4 Page - Fairchild Semiconductor

 
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4
DC Electrical Characteristics (Continued)
Note 7: Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Note 8: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Dynamic Switching Characteristics
Capacitance
Symbol
Parameter
Conditions
VCC
TA 40qC to 85qC
Units
(V)
Min
Max
ICC
Quiescent Supply Current
VI VCC or GND
2.3
 3.6
10
PA
3.6V
d VI, VO d 5.5V (Note 7)
2.3
 3.6
r10
'ICC
Increase in ICC per Input
VIH V CC  0.6V
2.3
 3.6
500
PA
Symbol
Parameter
TA 40qC to 85qC, RL 500:
Units
VCC 3.3V r 0.3V
VCC 2.7V
VCC 2.5V r 0.2V
CL 50pF
CL 50pF
CL 30 pF
Min
Max
Min
Max
Min
Max
tPHL
Propagation Delay
1.5
6.5
1.5
7.5
1.5
7.8
ns
tPLH
1.5
6.5
1.5
7.5
1.5
7.8
tPZL
Output Enable Time
1.5
8.5
1.5
9.5
1.5
10.5
ns
tPZH
1.5
8.5
1.5
9.5
1.5
10.5
tPLZ
Output Disable Time
1.5
7.5
1.5
8.5
1.5
9.0
ns
tPHZ
1.5
7.5
1.5
8.5
1.5
9.0
tOSHL
Output to Output Skew (Note 8)
1.0
ns
tOSLH
1.0
Symbol
Parameter
Conditions
VCC
TA 25qC
Units
(V)
Typical
VOLP
Quiet Output Dynamic Peak VOL
CL 50 pF, VIH 3.3V, VIL 0V
3.3
0.8
V
CL 30 pF, VIH 2.5V, VIL 0V
2.5
0.6
VOLV
Quiet Output Dynamic Valley VOL
CL 50 pF, VIH 3.3V, V IL 0V
3.3
0.8
V
CL 30 pF, VIH 2.5V, VIL 0V
2.5
0.6
Symbol
Parameter
Conditions
Typical
Units
CIN
Input Capacitance
VCC Open, VI 0V or VCC
7
pF
COUT
Output Capacitance
VCC 3.3V, VI 0V or V CC
8pF
CPD
Power Dissipation Capacitance
VCC 3.3V, V I 0V or VCC, f 10 MHz
25
pF


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