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Teilenummer | 74F125 |
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Beschreibung | Quad buffers 3-State | |
Hersteller | NXP Semiconductors | |
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Gesamt 10 Seiten INTEGRATED CIRCUITS
74F125, 74F126
Quad buffers (3-State)
Product specification
IC15 Data Handbook
Philips
Semiconductors
1989 March 28
Philips Semiconductors
Quad buffers (3-State)
Product specification
74F125, 74F126
TEST CIRCUIT AND WAVEFORM
VCC
PULSE
GENERATOR
VIN
VOUT
D.U.T.
RL
RT CL RL
Test Circuit for Open Collector Outputs
SWITCH POSITION
TEST
tPLZ
tPZL
All other
SWITCH
closed
closed
open
7.0V
90%
NEGATIVE
PULSE
POSITIVE
PULSE
10%
tw
VM
10%
tTHL (tf )
VM
10%
tTLH (tr )
tTLH (tr )
90%
VM
tw
tTHL (tf )
90%
VM
Input Pulse Definition
90%
AMP (V)
0V
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 REQUIREMENTS
family
amplitude VM rep. rate
tw tTLH
74F 3.0V 1.5V 1MHz 500ns 2.5ns
tTHL
2.5ns
SF00128
March 28, 1989
6
6 Page | ||
Seiten | Gesamt 10 Seiten | |
PDF Download | [ 74F125 Schematic.PDF ] |
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