74F37 데이터 시트보기 (PDF) - Philips Electronics
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74F37 Datasheet PDF : 8 Pages
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Philips Semiconductors
Quad 2-input NAND buffer
Product specification
74F37
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tPLH
Propagation delay
tPHL
Dna, Dnb to Qn
AC WAVEFORMS
TEST
CONDITION
Waveform 1
LIMITS
VCC = +5.0V
Tamb = +25°C
CL = 50pF, RL = 500Ω
VCC = +5.0V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500Ω
MIN
TYP MAX
MIN
MAX
2.5
3.5
5.5
2.0
6.5
1.5
2.5
4.5
1.5
5.0
UNIT
ns
Dna, Dnb
VM
VM
tPHL
tPLH
Qn
VM
VM
SF00005
Waveform 1. Propagation Delay for Inverting Outputs
NOTE:
For all waveforms, VM = 1.5V.
TEST CIRCUIT AND WAVEFORMS
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
May 24, 1990
4
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