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74LCX27 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. 74LCX27
Description  Low Voltage Triple 3-Input NOR Gate with 5V Tolerant Inputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74LCX27 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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AC Electrical Characteristics
Note 4: 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
TA = −40°C to +85°CF, RL = 500Ω
Units
VCC = 3.3V ± 0.3V
VCC = 2.7V
VCC = 2.5V ± 0.2V
CL = 50pF
CL = 50pF
CL = 30pF
Min
Max
Min
Max
Min
Max
tPHL
Propagation Delay
1.5
4.9
1.5
5.8
1.5
5.9
ns
tPLH
1.5
4.9
1.5
5.8
1.5
5.9
tOSHL
Output to Output Skew (Note 4)
1.0
ns
tOSLH
1.0
Symbol
Parameter
Conditions
VCC
TA = 25°C
Unit
(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, VIL = 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
7pF
COUT
Output Capacitance
VCC = 3.3V, VI = 0V or VCC
8pF
CPD
Power Dissipation Capacitance
VCC = 3.3V, VI = 0V or VCC, f = 10 MHz
25
pF


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