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參數(shù)資料
| 型號： | HD74LVC240 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers / Line Drivers with 3-state Outputs(三態(tài)輸出的八緩沖器/線驅(qū)動器) |
| 中文描述： | 八路緩沖器/線路驅(qū)動器，三態(tài)輸出（三態(tài)輸出的八緩沖器/線驅(qū)動器） |
| 文件頁數(shù)： | 5/7頁 |
| 文件大小： | 46K |
| 代理商： | HD74LVC240 |
HD74LVC240
5
Switching Characteristics
Ta = –40 to 85
°
C
Min
Typ
Item
Symbol V
CC
(V)
t
PLH
t
PHL
Max
Unit
From (Input) To (Output)
Propagation delay time
2.7
—
6.0
9.0
ns
A
<
3.3
±
0.3
5.0
±
0.5
2.7
1.5
5.0
8.0
ns
—
3.5
6.5
ns
Output enable time
t
ZH
t
ZL
—
7.5
10.0
ns
*
<
3.3
±
0.3
5.0
±
0.5
2.7
1.5
5.5
8.5
ns
—
4.0
7.0
ns
Output disable time
t
HZ
t
LZ
—
5.0
9.0
ns
*
<
3.3
±
0.3
5.0
±
0.5
2.7
1.5
4.5
8.0
ns
—
3.5
7.0
ns
Input capacitance
C
IN
C
O
—
3.0
—
pF
Output capacitance
2.7
—
15.0
—
pF
Test Circuit
V
CC
V
CC
S
1G, 2G
Input
Pulse generator
Z = 50
Output
500
C =
50 pF
450
OPEN
*1
See under table
GND
S1
50 Scope
1A1 to 2A4
1Y1 to 2Y4
Symbol
S1
t / t
t / t
t / t
PHL
OPEN
GND
6 V
HZ
LZ
OPEN
GND
2
×
Vcc
3.3
±
0.3V
Vcc=5.0
±
0.5V
Note:
1.
C
L
includes probe and jig capacitance.
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| HD74LVC244A | Octal Buffers / Line Drivers with 3-state Outputs(三態(tài)輸出的八緩沖器/線驅(qū)動器) |
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| HD74LVC245A | Octal Bidirectional Transceivers with 3-state Outputs(三態(tài)輸出的八雙向收發(fā)器) |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| HD74LVC240AFP | 制造商:Renesas Electronics 功能描述:Buffer/Line Driver 8-CH Inverting 3-ST CMOS 20-Pin SOP |
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| HD74LVC245AFP-E | 制造商:Renesas Electronics 功能描述:74LVC Bus Transceiver |
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