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HD74LVC240A データシートの表示(PDF) - Hitachi -> Renesas Electronics
部品番号
コンポーネント説明
メーカー
HD74LVC240A
Octal Buffers / Line Drivers with 3-state Outputs
Hitachi -> Renesas Electronics
HD74LVC240A Datasheet PDF : 8 Pages
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HD74LVC240A
Switching Characteristics
Ta = –40 to 85
°
C
Item
Propagation delay time
Symbol V
CC
(V)
t
PLH
2.7
t
PHL
3.3
±
0.3
5.0
±
0.5
Min Typ Max Unit
— — 7.5 ns
1.5 — 6.5 ns
— — 5.0 ns
Output enable time
t
ZH
2.7
— — 9.0 ns
t
ZL
3.3
±
0.3 1.5 — 8.0 ns
5.0
±
0.5 — — 6.5 ns
Output disable time
t
HZ
t
LZ
Between outut pins skew
*1
t
OSLH
t
OSHL
2.7
3.3
±
0.3
5.0
±
0.5
2.7
3.3
±
0.3
5.0
±
0.5
——
1.5 —
——
——
——
——
8.0 ns
7.0 ns
6.0 ns
— ns
1.0 ns
1.0 ns
Input capacitance
C
IN
2.7
— 3.0 — pF
Output capacitance
C
O
2.7
— 15.0 — pF
Note: 1. This parameter is characterized but not tested.
tos
LH
= | t
PLHm
- t
PLHn
|, tos
HL
= | t
PHLm
- t
PHLn
|
From (Input) To (Output)
A
Y
G
Y
G
Y
Test Circuit
V
CC
V
CC
Input
Pulse generator
Z
out
= 50
Ω
1G, 2G
Output
1Y1 to 2Y4
1A1 to 2A4
C
L
=
50 pF
500
Ω
S1
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
S1
Vcc=2.7V,
3.3
±
0.3V
Vcc=5.0
±
0.5V
OPEN OPEN
GND
GND
6V
2
×
Vcc
5
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