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74LCX257SJX_NL

更新时间： 2024-11-11 19:59:03
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 光电二极管逻辑集成电路
页数 文件大小 规格书
9页 100K
描述
Multiplexer, 4-Func, 2 Line Input, CMOS, PDSO16,

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74LCX257SJX_NL 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：SOP, SOP16,.3Reach Compliance Code：compliant
风险等级：5.84JESD-30 代码：R-PDSO-G16
逻辑集成电路类型：MULTIPLEXER最大I（ol）：0.024 A
功能数量：4输入次数：2
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C输出特性：3-STATE
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP16,.3封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TAPE AND REEL
电源：3.3 VProp。Delay @ Nom-Sup：6 ns
认证状态：Not Qualified子类别：Multiplexer/Demultiplexers
标称供电电压 (Vsup)：3.3 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUALBase Number Matches：1

74LCX257SJX_NL 数据手册

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May 1995  
Revised September 2000  
74LCX257  
Low Voltage Quad 2-Input Multiplexer  
with 5V Tolerant Inputs and Outputs  
General Description  
Features  
■ 5V tolerant inputs and outputs  
The LCX257 is a quad 2-input multiplexer with 3-STATE  
outputs. Four bits of data from two sources can be selected  
using a Common Data Select input. The four outputs  
present the selected data in true (non inverted) form. The  
outputs may be switched to a high impedance state by  
placing a logic HIGH on the common Output Enable (OE)  
input, allowing the outputs to interface directly with bus-ori-  
ented systems.  
■ 2.3V–3.6V VCC specifications provided  
■ 6.0 ns tPD max (VCC = 3.3V, In → Zn), 10 µA ICC max  
■ Power down high impedance inputs and outputs  
■ Supports live insertion/withdrawal (Note 1)  
■ Implements patented noise/EMI reduction circuitry  
■ Latch-up performance exceeds 500 mA  
■ ESD performance:  
The 74LCX257 is fabricated with advanced CMOS technol-  
ogy to achieve high speed operation while maintaining  
CMOS low power dissipation.  
Human body model > 2000V  
Machine model > 200V  
Note 1: To ensure the high-impedance state during power up or down, OE  
should be tied to VCC through a pull-up resistor: the minimum value or the  
resistor is determined by the current-sourcing capability of the driver.  
Ordering Code:  
Order Number Package Number  
Package Description  
74LCX257M  
M16A  
M16D  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow  
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
74LCX257SJ  
74LCX257MTC  
MTC16  
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.  
Logic Symbols  
Connection Diagram  
IEEE/IEC  
Pin Descriptions  
Pin Names  
Description  
S
Common Data Select Input  
3-STATE Output Enable Input  
Data Inputs from Source 0  
Data Inputs from Source 1  
3-STATE Multiplexer Outputs  
OE  
I0a–I0d  
I1a–I1d  
Za–Zd  
© 2000 Fairchild Semiconductor Corporation  
DS012466  
www.fairchildsemi.com  
1234567...9

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