74HC4351D Datasheet

Interface - Analog Switches, Multiplexers, Demultiplexers


The 74HC4351D are high-speed Si-gate CMOSdevices. They are specified in compliance with JEDECstandard no. 7A.The 74HC/HCT4351 are 8-channel analogmultiplexers/demultiplexers with three select inputs (S0 toS2), two enable inputs (E1 and E2), a latch enable input(LE), eight independent inputs/outputs (Y0 to Y7) and acommon input/output (Z).With E1 LOW and E2 is HIGH, one of the eight switches isselected (low impedance ON-state) by S0 to S2. The dataat the select inputs may be latched by using the activeLOW latch enable input (LE). When LE is HIGH the latchis transparent. When either of the two enable inputs,E1 (active LOW) and E2 (active HIGH), is inactive, all 8analog switches are turned off.VCC and GND are the supply voltage pins for the digitalcontrol inputs (S0 to S2, LE, E1 and E2). The VCC to GNDranges are 2.0 to 10.0 V for HC and 4.5 to 5.5 V for HCT.The analog inputs/outputs (Y0 to Y7, and Z) can swingbetween VCC as a positive limit and VEE as a negativelimit.VCC - VEE may not exceed 10.0 V.For operation as a digital multiplexer/demultiplexer, VEE isconnected to GND (typically ground). 74HC4351D Features · Wide analog input voltage range:± 5 V· Low “ON” resistance:80 W (typ.) at VCC - VEE = 4.5 V70 W (typ.) at VCC - VEE = 6.0 V60 W (typ.) at VCC - VEE = 9.0 V· Logic level translation: to enable 5 V logic tocommunicate with ± 5 V analog signals· Typical “break before make” built in· Address latches provided· Output capability: non-standard· ICC category: MSI


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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