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參數(shù)資料
| 型號(hào)： | 74HCT257 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad 2-input multiplexer; 3-state(四2輸入多路復(fù)用器；三態(tài)) |
| 中文描述： | 四2輸入多路復(fù)用器，3態(tài)（四2輸入多路復(fù)用器，三態(tài)） |
| 文件頁(yè)數(shù)： | 13/13頁(yè) |
| 文件大小： | 93K |
| 代理商： | 74HCT257 |
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1998 Sep 30
13
Philips Semiconductors
Product specification
Quad 2-input multiplexer; 3-state
74HC/HCT257
R
EPAIRING SOLDERED JOINTS
Fix the component by first soldering two diagonally- opposite end leads. Use only a low voltage soldering iron (less
than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300
°
C. When using a
dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320
°
C.
DEFINITIONS
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
Data sheet status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
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| 74HC258 | Quad 2-input multiplexer; 3-state; inverting |
| 74HCT258D | Quad 2-input multiplexer; 3-state; inverting |
| 74HCT258N | Quad 2-input multiplexer; 3-state; inverting |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HCT257D | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 QUAD 2-INPUT MULTIPLEXER RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HCT257D,652 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 QUAD 2-INPUT RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HCT257D,653 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 QUAD 2-INPUT RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HCT257D/AUJ | 制造商:NXP Semiconductors 功能描述:74HCT257D/SO16/REEL13//AU - Tape and Reel 制造商:NXP Semiconductors 功能描述:IC MULTIPLEX QUAD 2IN 3ST 16SOIC |
| 74HCT257D652 | 制造商:NXP Semiconductors 功能描述:IC QUAD 2-INPUT MUX TRI-STATE 16-SOIC |
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