74F381 查看數據表（PDF） - Philips Electronics
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74F381 Datasheet PDF : 7 Pages
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Philips Semiconductors
Arithmetic Logic Unit
Product specification
74F381
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tPLH
Propagation delay
tPHL
Cn to Fn
tPLH
Propagation delay
tPHL
Any An or Bn to any Fn
tPLH
Propagation delay
tPHL
Sn to Fn
tPLH
Propagation delay
tPHL
An to Bn to G
tPLH
Propagation delay
tPHL
An or Bn to P
tPLH
Propagation delay
tPHL
Sn to G or P
AC WAVEFORMS
For all waveforms, VM = 1.5V.
TEST
CONDITION
Waveform 1
Waveform 1
Waveform 1
Waveform 1
Waveform 1
Waveform 1
LIMITS
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
MIN TYP MAX
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN
MAX
2.5 6.0 11.0
2.5
12.5
2.5
4.5
6.5
2.5
7.5
3.5 7.0 13.0
3.5
16.0
3.0
6.0
9.0
3.0
10.0
5.0 9.0 20.0
5.0
21.5
4.0 7.5 10.5
4.0
11.5
3.5
6.5
9.0
3.5
10.0
3.0
6.0
8.5
3.0
9.0
3.0
5.5
8.0
3.0
9.0
3.5
6.0
8.5
3.5
9.0
5.0 7.5 11.0
5.0
12.5
5.5 8.5 12.5
5.0
14.0
UNIT
ns
ns
ns
ns
ns
ns
VIN
VOUT
VM
tPLH
VM
tPHL
VM
VM
SF00926
Waveform 1. Propagation Delay for Non-Inverting
or Inverting paths
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
1989 Mar 01
7
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