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Número de pieza
componentes Descripción
HD74BC640A Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
HD74BC640A
Octal Bus Transceivers With 3 State Outputs
Hitachi -> Renesas Electronics
HD74BC640A Datasheet PDF : 9 Pages
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Waveforms-2
HD74BC640A
t
f
G
90 %
1.5 V
10 %
Waveform – A
Waveform – B
t
ZL
1.5 V
t
ZH
1.5 V
t
r
90 %
1.5 V
10 %
t
LZ
t
HZ
V
OL
+ 0.3 V
V
OH
– 0.3 V
3V
0V
3.5 V
V
OL
V
OH
0V
Notes: 1. t
r
= 2.5 ns, t
f
= 2.5 ns
2. Input waveforms: PRR = 1 MHz, duty cycle 50%
3. Waveform-A shows input conditions such that the output is “L” level when enable by the output
control.
4. Waveform-B shows input conditions such that the output is “H” level when enable by the output
control.
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