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Número de pieza
componentes Descripción
HD74LVCZ245A Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
HD74LVCZ245A
Octal Bidirectional Transceivers with 3–state Outputs
Hitachi -> Renesas Electronics
HD74LVCZ245A Datasheet PDF : 11 Pages
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HD74LVCZ245A
Switching Characteristics
(Ta = –40 to 85
°
C)
Item
Symbol V
CC
(V) Min
Typ
Propagation delay time
t
PLH
2.7
—
—
t
PHL
3.3
±
0.3 1.5
—
5.0
±
0.5 —
—
Output enable time
t
ZH
2.7
—
—
t
ZL
3.3
±
0.3 1.5
—
5.0
±
0.5 —
—
Output disable time
t
HZ
2.7
—
—
t
LZ
3.3
±
0.3 1.7
—
5.0
±
0.5 —
—
Between output pin skew
*1
t
OSLH
2.7
—
—
t
OSHL
3.3
±
0.3 —
—
5.0
±
0.5 —
—
Note : 1. This parameter is characterized but not tested.
t
OSLH
= |t
PLHm
–t
PLHn
|, t
OSHL
= |t
PHLm
–t
PHLn
|
Max Unit FROM TO
(Input) (Output)
7.3 ns A or B B or A
6.3
4.8
9.5 ns
OE
A or B
8.5
7.0
8.5 ns
OE
A or B
7.5
6.5
—
ns
1.0
1.0
Test Circuit
V
CC
V
CC
OE
Input
Pulse generator
Z
out
= 50
Ω
T/
R
S1
A0
B0
Output
C
L
=
50 pF
500
Ω
S2
450
Ω
50
Ω
Scope
OPEN
*1
See
under table
GND
Note: 1. C
L
includes probe and jig capacitance.
Symbol
t
PLH
/ t
PHL
t
ZH
/ t
HZ
t
ZL
/ t
LZ
S2
Vcc=2.7V,
3.3
±
0.3V
Vcc=5.0
±
0.5V
OPEN
OPEN
GND
6V
GND
2
×
V
CC
6
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