Maker : Philips Semiconductors
Part No. : 4051B

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INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC • The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC HEF4051B MSI 8-channel analogue multiplexer/demultiplexer Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors Product specification 8-channel analogue multiplexer/demultiplexer DESCRIPTION The HEF4051B is an 8-channel analogue multiplexer/demultiplexer with three address inputs (A0 to A2), an active LOW enable input (E), eight independent inputs/outputs (Y0 to Y7) and a common input/output (Z). The device contains eight bidirectional analogue switches, each with one side connected to an independent input/output (Y0 to Y7) and the other side connected to a common input/output (Z). With E LOW, one of the eight switches is selected (low impedance ON-state) by A0 to A2. With E HIGH, all switches are in the high impedance OFF-state, independent of A0 to A2. VDD and VSS are the supply voltage connections for the digital control inputs (A0 to A2, and E). The VDD to VSS range is 3 to 15 V. HEF4051B MSI The analogue inputs/outputs (Y0 to Y7, and Z) can swing between VDD as a positive limit and VEE as a negative limit. VDD−VEE may not exceed 15 V. For operation as a digital multiplexer/demultiplexer, VEE is connected to VSS (typically ground). Fig.2 Pinning diagram. HEF4051BP(N): HEF4051BD(F): 16-lead DIL; plastic (SOT38-1) 16-lead DIL; ceramic (cerdip) (SOT74) 16-lead SO; plastic (SOT109-1) HEF4051BT(D): ( ): Package Designator North America PINNING Y0 to Y7 A0 to A2 E Z independent inputs/outputs address inputs enable input (active LOW) common input/output FAMILY DATA, IDD LIMITS category MSI Fig.1 Functional diagram. See Family Specifications. January 1995 2 Philips Semiconductors Product specification 8-channel analogue multiplexer/demultiplexer HEF4051B MSI Fig.3 Schematic diagram (one switch). FUNCTION TABLE INPUTS E L L L L L L L L H Notes 1. H = HIGH state (the more positive voltage) L = LOW state (the less positive voltage) X = state is immaterial RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) Supply voltage (with reference to VDD) Note 1. To avoid drawing VDD current out of terminal Z, when switch current flows into terminals Y, the voltage drop across the bidirectional switch must not exceed 0,4 V. If the switch current flows into terminal Z, no VDD current will flow out of terminals Y, in this case there is no limit for the voltage drop across the switch, but the voltages at Y and Z may not exceed VDD or VEE. January 1995 3 VEE −18 to + 0,5 V A2 L L L L H H H H X A1 L L H H L L H H X A0 L H L H L H L H X CHANNEL ON Y0−Z Y1−Z Y2−Z Y3−Z Y4−Z Y5−Z Y6−Z Y7−Z none Philips Semiconductors Product specification 8-channel analogue multiplexer/demultiplexer HEF4051B MSI Fig.4 Logic diagram. January 1995 4 Philips Semiconductors Product specification 8-channel analogue multiplexer/demultiplexer DC CHARACTERISTICS Tamb = 25 °C VDD−VEE V 5 ON resistance 10 15 5 ON resistance 10 15 5 ON resistance ‘∆’ ON resistance between any two channels OFF-state leakage current, all channels OFF OFF-state leakage current, any channel 10 15 5 10 15 5 10 15 5 10 15 IOZY IOZZ ∆RON RON RON RON SYMBOL TYP. 350 80 60 115 50 40 120 65 50 25 10 5 − − − − − − MAX. 2500 245 175 340 160 115 365 200 155 − − − − − 1000 − − 200 Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω nA nA nA nA nA nA E at VSS VSS = VEE E at VDD VSS = VEE HEF4051B MSI CONDITIONS Vis = 0 to VDD−VEE see Fig.6 Vis = 0 see Fig.6 Vis = VDD−VEE see Fig.6 Vis = 0 to VDD−VEE see Fig.6 Fig.5 Operating area as a function of the supply voltages. January 1995 5 Philips Semiconductors Product specification 8-channel analogue multiplexer/demultiplexer HEF4051B MSI Fig.6 Test set-up for measuring RON. Iis = ...

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