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PDF 74F3038 Data sheet ( Hoja de datos )
| Número de pieza | 74F3038 | |
| Descripción | Quad 2-input NAND 30 ohm line driver open collector | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
74F3038
Quad 2-input NAND 30 Ω line driver
(open collector)
Product specification
Supersedes data of 1990 Jan 29
IC15 Data Handbook
1998 May 21
Philips
Semiconductors
1 page  
Philips Semiconductors
Quad 2-input NAND 30Ω line driver (open collector)
Product specification
74F3038
TYPICAL PROPAGATION DELAYS VERSUS LOAD FOR OPEN COLLECTOR OUTPUTS
9
tPLH
8
7
6
5
4
3
tPHL
2
1
0
0 100 200 300 400 500 600
LOAD RESISTOR (Ω)
NOTE:
When using Open-Collector parts, the value of the pull-up resistor greatly affects the value of the tPLH. For example, changing the
specified pull-up resistor value from 500Ω to 100Ω will improve the tPLH up to 50% with only a slight increase in the tPHL. However,
if the value of the pull-up resistor is changed, the user must make certain that the total IOL current through the resistor and the total
IILs of the receivers does not exceed the IOL maximum specification.
SF01361
TEST CIRCUIT AND WAVEFORMS
VCC
7.0V
90%
tw
90%
AMP (V)
PULSE
GENERATOR
VIN
VOUT
D.U.T.
RL
NEGATIVE
PULSE
VM
10%
tTHL (tf )
VM
10%
tTLH (tr )
0V
RT CL RL
Test Circuit for Open Collector Outputs
POSITIVE
PULSE
tTLH (tr )
90%
VM
tTHL (tf )
90%
VM
AMP (V)
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.
10%
tw
10%
0V
Input Pulse Definition
INPUT PULSE REQUIREMENTS
family
amplitude VM rep. rate
tw tTLH
tTHL
74F 3.0V 1.5V 1MHz 500ns 2.5ns 2.5ns
SF00027
1998 May 21
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 74F3038.PDF ] | |
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