备用零件
Price @ 1000
$ 29.17
$ 0.801
Stock
145,667
271,949
Authorized Distributors
1
3
Case/Package
DIP
PDIP
Number of Pins
16
16
Logic Function
Multiplexer
Multiplexer
Number of Inputs
2
8
Number of Outputs
1
4
Number of Circuits
4
4
Low Level Output Current
24 mA
2.6 mA
High Level Output Current
-
24 mA
Supply Type
-
Single
Min Supply Voltage
4.75 V
4.75 V
Max Supply Voltage
5.25 V
5.25 V
Number of Channels
1
-
供应链
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1992-04-01
Lifecycle StatusObsolete (Last Updated: 7 months ago)
LTB Date2002-05-30
LTD Date2002-11-30
描述
由其分销商提供的 onsemi SN74LS257BN 的描述。
Multiplexer, LS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDIP16
Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin PDIP Box
single-phase 4 8 1 4.75V 5.25V 24mA 2.6mA PDIP-16 Through hole mounting
Encoders, Decoders, Multiplexers & Demultiplexers Quad Data
制造商别名
onsemi 在全球拥有多个品牌，分销商可将其用作替代名称。onsemi 也可称为以下名称：
- ON Semiconductor
- ONS
- ONSEMICON
- ON SEM
- ON SEMICONDUCTO
- ON SEMICONDUCTORS
- ONSEMIC
- ON Semicondu
- OSC
- ONSE
- ON SEMICOND
- ON Semiconductor / Fairchild
- SCG
- ON Semiconductor Cor
- ON SEMICO
- ONSM
- onsemi / Fairchild
- ON SEMICONDUCTOR CORP
- MOT/ON SEMI
- Fairchild/ONSemiconductor
- ON Semiconductor Corporation
- ON4
- ON Semi - ON Semiconductor
- ON SEMICONDUCT
- ON-SEMI SCG
- ON Semiconductor Inc.
- onsemiconductor
- On Semiconductor Ltd
技术规格
Physical
Case/PackageDIP
MountThrough Hole
Number of Pins16
Number of Terminals16
Technical
Bandwidth35 MHz
Load Capacitance45 pF
Logic FunctionMultiplexer
Low Level Output Current24 mA
Max Operating Temperature70 °C
Max Supply Current16 mA
Max Supply Voltage5.25 V
Min Operating Temperature0 °C
Min Supply Voltage4.75 V
Nominal Supply Current44 mA
Nominal Supply Voltage (DC)5 V
Number of Bits2
Number of Channels1
Number of Circuits4
Number of Inputs2
Number of Outputs1
PolarityNon-Inverting
Propagation Delay15 ns
Quiescent Current13 mA
Temperature GradeCommercial
Throw ConfigurationDPST
Dimensions
Height - Seated (Max)4.44 mm
Length19.175 mm
Terminal Pitch2.54 mm
Width7.62 mm