74LCX257MTC_NL

更新时间： 2024-02-17 21:32:35

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		复用器
页数	文件大小	规格书
9页	103K
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中文翻译

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数据手册
替代型号

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74LCX257MTC_NL 数据手册

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 V_CCspecifications provided

■ 6.0 ns t_PDmax (V_CC= 3.3V, I_n→ Z_n), 10 µA I_CCmax

■ 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 V_CCthrough 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

Common Data Select Input

3-STATE Output Enable Input

Data Inputs from Source 0

Data Inputs from Source 1

3-STATE Multiplexer Outputs

I_0a–I_0d

I_1a–I_1d

Z_a–Z_d

DS012466

www.fairchildsemi.com

12 3 4 5 6 7...9

中文翻译

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74LCX257MTC_NL 替代型号

型号	品牌	替代类型	描述	数据表
SN74LVC257APWT	TI	功能相似	QUADRUPLE 2 LINE TO 1 LINE DATA SELECTORS/ MULTIPLEXERS WITH 3 STATE OUTPUTS
SN74LVC257APWR	TI	功能相似	QUADRUPLE 2 LINE TO 1 LINE DATA SELECTORS/ MULTIPLEXERS WITH 3 STATE OUTPUTS
SN74LVC257APW	TI	功能相似	QUADRUPLE 2 LINE TO 1 LINE DATA SELECTORS/ MULTIPLEXERS WITH 3 STATE OUTPUTS

与74LCX257MTC_NL相关器件

型号	品牌	获取价格	描述	数据表
74LCX257MTCX	FAIRCHILD	获取价格	2-Input Digital Multiplexer
74LCX257MTCX	ONSEMI	获取价格	低电压四路 2 输入多工器，带 5V 耐压输入和输出
74LCX257MTCX_NL	FAIRCHILD	获取价格	Multiplexer, LVC/LCX/Z Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDS
74LCX257MTR	STMICROELECTRONICS	获取价格	LOW VOLTAGE CMOS QUAD 2 CHANNEL MULTIPLEXER WITH 5V TOLERANT INPUTS AND OUTPUTS (3-STATE)
74LCX257MX	FAIRCHILD	获取价格	2-Input Digital Multiplexer
74LCX257MX	ONSEMI	获取价格	低电压四路 2 输入多工器，带 5V 耐压输入和输出
74LCX257MX_NL	FAIRCHILD	获取价格	Multiplexer, LVC/LCX/Z Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDS
74LCX257SJ	FAIRCHILD	获取价格	Low Voltage Quad 2-Input Multiplexer with 5V Tolerant Inputs and Outputs
74LCX257SJX	FAIRCHILD	获取价格	2-Input Digital Multiplexer
74LCX257SJX_NL	FAIRCHILD	获取价格	Multiplexer, 4-Func, 2 Line Input, CMOS, PDSO16,

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