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74F27 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. 74F27
Description  Triple 3-input NOR gate
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F27 Datasheet(HTML) 5 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F27
Triple 3-input NOR gate
February 5, 1991
5
AC WAVEFORMS
VM
VM
VM
VM
Qn
Dna, Dnb, Dnc
tPHL
tPLH
SF00037
Waveform 1.
Propagation delay for inverting outputs
NOTE:
For all waveforms, VM = 1.5V.
TEST CIRCUIT AND WAVEFORMS
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for Totem-Pole Outputs
DEFINITIONS:
RL = Load resistor;
see AC ELECTRICAL CHARACTERISTICS for value.
CL = Load capacitance includes jig and probe capacitance;
see AC ELECTRICAL CHARACTERISTICS for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
tTHL (tf )
tTLH (tr )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
SF00006


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