74F51 데이터 시트보기 (PDF) - Philips Electronics
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74F51 Datasheet PDF : 8 Pages
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Philips Semiconductors
Dual 2-wide 2-input, 2-wide 3-input AND-OR-invert gate
Product specification
74F51
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tPLH
Propagation delay
tPHL
Dna, Dnb, Dnc, Dnd, Dne, Dnf to Qn
AC WAVEFORMS
TEST
CONDITION
Waveform 1
LIMITS
VCC = +5.0V
Tamb = +25°C
CL = 50pF, RL = 500Ω
MIN
TYP MAX
VCC = +5.0V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500Ω
MIN
MAX
2.0
3.5
5.5
1.5
6.5
1.0
2.5
4.0
1.0
4.5
UNIT
ns
Dna, Dnb, Dnc, Dnd, Dne, Dnf
VM
VM
tPHL
tPLH
Qn
VM
VM
NOTE:
For all waveforms, VM = 1.5V.
SF00089
Waveform 1. Propagation Delay for Inverting Outputs
TEST CIRCUIT AND WAVEFORM
VIN
PULSE
GENERATOR
VCC
VOUT
D.U.T.
NEGATIVE
PULSE
90%
tw
VM
10%
tTHL (tf )
VM
10%
tTLH (tr )
90%
AMP (V)
0V
RT
CL RL
Test Circuit for Totem-Pole Outputs
POSITIVE
PULSE
10%
tTLH (tr )
90%
VM
tw
tTHL (tf )
90%
VM
AMP (V)
10%
0V
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.
Input Pulse Definition
family
74F
INPUT PULSE REQUIREMENTS
amplitude VM rep. rate
tw
tTLH
3.0V 1.5V 1MHz 500ns 2.5ns
tTHL
2.5ns
SF00006
March 3, 1989
4
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