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74VCXH245 View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
74VCXH245
Fairchild
Fairchild Semiconductor Fairchild
74VCXH245 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
AC Electrical Characteristics (Note 6)
Symbol
Parameter
Conditions
VCC
TA 40qC to 85qC
Units
Figure
(V)
Min
Max
Number
tPHL,
tPLH
Propagation Delay
An to Bn or Bn to An
CL 30 pF, RL 500:
3.3 r 0.3
0.6
3.5
2.5 r 0.2
0.8
4.2
Figures
1, 2
1.8 r 0.15
1.5
8.4
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
16.8
1.2
42.0
Figures
5, 6
tPZL,
tPZH
Output Enable Time
CL 30 pF, RL 500:
3.3 r 0.3
0.6
4.5
2.5 r 0.2
0.8
5.6
Figures
1, 3, 4
1.8 r 0.15
1.5
9.8
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
19.6
1.2
49.0
Figures
5, 7, 8
tPLZ,
tPHZ
Output Disable Time
CL 30 pF, RL 500:
3.3 r 0.3
0.6
3.6
2.5 r 0.2
0.8
4.0
Figures
1, 3, 4
1.8 r 0.15
1.5
7.2
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
14.4
1.2
36.0
Figures
5, 7, 8
tOSHL
tOSLH
Output to Output Skew
(Note 7)
CL 30 pF, RL 500:
3.3 r 0.3
2.5 r 0.2
1.8 r 0.15
0.5
0.5
0.75
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.5
1.2
1.5
Note 6: For CL 50 pF, add approximately 300 ps to the AC maximum specification.
Note 7: 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
Symbol
Parameter
VOLP
Quiet Output Dynamic Peak VOL
VOLV
Quiet Output Dynamic Valley VOL
VOHV
Quiet Output Dynamic Valley VOH
Conditions
CL 30 pF, VIH VCC, VIL 0V
CL 30 pF, VIH VCC, V IL 0V
CL 30 pF, VIH VCC, V IL 0V
VCC
TA 25qC
Units
(V)
Typical
1.8
0.3
2.5
0.7
V
3.3
1.0
1.8
0.3
2.5
0.7
V
3.3
1.0
1.8
1.3
2.5
1.7
V
3.3
2.0
Capacitance
Symbol
Parameter
CIN
Input Capacitance
CI/O
Input/Output Capacitance
CPD
Power Dissipation Capacitance
Conditions
TA 25qC
Typical
VI 0V or VCC, VCC 1.8V, 2.5V or 3.3V
6
VI 0V or VCC, VCC 1.8V, 2.5V or 3.3V
7
VI 0V or VCC, f 10 MHz, VCC 1.8V, 2.5V or 3.3V
20
Units
pF
pF
pF
5
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