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參數(shù)資料
| 型號(hào)： | HD74HC257 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| 中文描述： | 四。 2比1線數(shù)據(jù)選擇器/多路轉(zhuǎn)換器（帶noninverted三態(tài)輸出） |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 52K |
| 代理商： | HD74HC257 |
HD74HC257
2
Pin Arrangement
1
2
3
4
5
6
7
8
Select
1A
1B
1Y
2A
2B
2Y
GND
1A
1B
1Y
2A
2B
2Y
OC
4A
4B
4Y
3A
3B
V
CC
4A
4B
4Y
3A
3B
3Y
16
15
14
13
12
11
10
9
Output
control
(Top view)
3Y
S
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply voltage range
V
CC
V
IN
V
OUT
I
OUT
I
CC
, I
GND
I
IK
I
OK
P
T
Tstg
–0.5 to +7.0
V
Input voltage
–0.5 to V
CC
+ 0.5
–0.5 to V
CC
+ 0.5
±
35
±
75
±
20
±
20
V
Output voltage
V
DC current drain per pin
mA
DC current drain per V
CC
, GND
DC input diode current
mA
mA
DC output diode current
mA
Power dissipation per package
500
mW
Storage temperature
–65 to +150
°
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| HD74HC27 | Octal Bus Transceivers With 3-State Outputs 20-CDIP -55 to 125 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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: |
| HD74HC27FP | 制造商:Renesas Electronics Corporation 功能描述:NOR Gate 3-Element 3-IN CMOS 14-Pin SOP |
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