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HD74HC540RPEL データシートの表示(PDF) - Renesas Electronics
部品番号
コンポーネント説明
メーカー
HD74HC540RPEL
Octal Buffers/Line Drivers (with 3-state outputs)
Renesas Electronics
HD74HC540RPEL Datasheet PDF : 9 Pages
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HD74HC540, HD74HC541
Switching Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Item
Propagation delay
time
Output enable
time
Output disable
time
Output rise/fall
time
Input capacitance
Symbol V
CC
(V)
t
PLH
2.0
t
PHL
4.5
6.0
t
PLH
2.0
t
PHL
4.5
6.0
t
ZH
2.0
t
ZL
4.5
6.0
t
HZ
2.0
t
LZ
4.5
6.0
t
TLH
2.0
t
THL
4.5
6.0
Cin
—
Ta = 25
°
C
Min Typ Max
— — 100
— 11 20
— — 17
— — 115
— 12 23
— — 20
— — 150
— 14 30
— — 26
— — 150
— 16 30
— — 26
— — 60
— 4 12
— — 10
— 5 10
Ta = –40 to +85
°
C
Min
Max Unit
Test Conditions
—
125 ns (HD74HC540 only)
—
25
—
21
—
145 ns (HD74HC541 only)
—
29
—
25
—
190 ns
—
38
—
33
—
190 ns
—
38
—
33
—
75
ns
—
15
—
13
—
10
pF
Test Circuit
V
CC
V
CC
Input
Pulse Generator
Z
out
= 50
Ω
G
1,
G
2
Output
Y1 to Y8
A1 to A8
1 k
Ω
S1
C
L
=
50 pF
TEST
t
PLH
/ t
PHL
t
ZH
/ t
HZ
t
ZL
/ t
LZ
OPEN
GND
V
CC
S1
OPEN
GND
V
CC
Note : 1. C
L
includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 4 of 8
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