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參數(shù)資料
| 型號(hào)： | HD74HC253 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
| 中文描述： | 雙4比1線數(shù)據(jù)選擇器/多路轉(zhuǎn)換器（3態(tài)輸出） |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大?。?/td> | 33K |
| 代理商： | HD74HC253 |
HD74HC253
2
Function Table
Select inputs
Data iputs
Output Control
Output
B
A
C
0
X
C
1
X
C
2
X
C
3
X
G
Y
X
X
H
Z
L
L
L
X
X
X
L
L
L
L
H
X
X
X
L
H
L
H
X
L
X
X
L
L
L
H
X
H
X
X
L
H
H
L
X
X
L
X
L
L
H
L
X
X
H
X
L
H
H
H
X
X
X
L
L
L
H
Notes
H
X
X
X
H
L
H
1. X: irrelevant
2. Address inputs A and B are common to both sections.
Pin Arrangement
1
2
3
4
5
6
7
8
1G
Select B
Output 1Y
GND
VCC
2G
A Select
2Y Output
16
15
14
13
12
11
10
9
Output
control
Output
control
D
D
(Top view)
1C
3
1C
2
1C
1
1C
0
1Y
2C
3
2C
2
2C
1
2C
0
2Y
B
B
A
A
B
B
A
A
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PDF描述 |
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| HD74HC257 | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| HD74HC258 | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
| HD74HC259 | Octal Bus Transceivers With 3-State Outputs 20-LCCC -55 to 125 |
| HD74HC273 | Octal Bus Transceivers With 3-State Outputs 20-CFP -55 to 125 |
| HD74HC279 | Octal Bus Transceivers With 3-State Outputs 20-CDIP -55 to 125 |
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| HD74HC258FP | 制造商:Renesas Electronics Corporation 功能描述:Multiplexer 1-Element CMOS 3-ST 8-IN 16-Pin SOP |
| HD74HC273FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC273FPVEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HC279FP(E) | 制造商:Renesas Electronics Corporation 功能描述: |
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