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74VHC4051M Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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74VHC4051M Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 16 page tm May 2007 ©1994 Fairchild Semiconductor Corporation www.fairchildsemi.com 74VHC4051, 74VHC4052, 74VHC4053 Rev. 1.3 74VHC4051, 8-Channel Analog Multiplexer 74VHC4052, Dual 4-Channel Analog Multiplexer 74VHC4053, Triple 2-Channel Analog Multiplexer Features ■ Wide analog input voltage range: ±6V ■ Low “ON” resistance: 50 Typ. (VCC–VEE = 4.5V) ■ 30 Typ. (VCC–VEE = 9V) ■ Logic level translation to enable 5V logic with ±5V analog signals ■ Low quiescent current: 80µA maximum ■ Matched switch characteristic ■ Pin and function compatible with the 74HC4051/ 4052/4053 General Description These multiplexers are digitally controlled analog switches implemented in advanced silicon-gate CMOS technology. These switches have low “ON” resistance and low “OFF” leakages. They are bidirectional switches, thus any analog input may be used as an output and vice-versa. Also these switches contain linearization cir- cuitry which lowers the “ON” resistance and increases switch linearity. These devices allow control of up to ±6V (peak) analog signals with digital control signals of 0 to 6V. Three supply pins are provided for VCC, ground, and VEE. This enables the connection of 0–5V logic signals when VCC = 5V and an analog input range of ±5V when VEE = 5V. All three devices also have an inhibit control which when high will disable all switches to their off state. All analog inputs and outputs and digital inputs are protected from electrostatic damage by diodes to VCC and ground. VHC4051: This device connects together the outputs of 8 switches, thus achieving an 8 channel Multiplexer. The binary code placed on the A, B, and C select lines determines which one of the eight switches is “ON”, and connects one of the eight inputs to the common output. VHC4052: This device connects together the outputs of 4 switches in two sets, thus achieving a pair of 4-channel multiplexers. The binary code placed on the A, and B select lines determine which switch in each 4 channel section is “ON”, connecting one of the four inputs in each section to its common output. This enables the imple- mentation of a 4-channel differential multiplexer. VHC4053: This device contains 6 switches whose out- puts are connected together in pairs, thus implementing a triple 2 channel multiplexer, or the equivalent of 3 single-pole-double throw configurations. Each of the A, B, or C select lines independently controls one pair of switches, selecting one of the two switches to be “ON”. |
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