HEC4066B datasheet(2/8 Pages) PHILIPS

2 / 8 page

January 1995

Philips Semiconductors

Product speciﬁcation

Quadruple bilateral switches

HEF4066B

gates

DESCRIPTION

The HEF4066B has four independent bilateral analogue

switches (transmission gates). Each switch has two

input/output terminals (Y/Z) and an active HIGH enable

input (E). When E is connected to VDD a low impedance

bidirectional path between Y and Z is established (ON

condition). When E is connected to VSS the switch is

disabled and a high impedance between Y and Z is

established (OFF condition).

The HEF4066B is pin compatible with the HEF4016B but

exhibits a much lower ON resistance. In addition the ON

resistance is relatively constant over the full input signal

range.

Fig.1 Functional diagram.

Fig.2 Pinning diagram.

HEF4066BP(N):

14-lead DIL; plastic (SOT27-1)

HEF4066BD(F):

14-lead DIL; ceramic (cerdip)

(SOT73))

HEF4066BT(D):

14-lead SO; plastic (SOT108-1)

( ): Package Designator North America

PINNING

APPLICATION INFORMATION

An example of application for the HEF4066B is:

• Analogue and digital switching

E0 to E3

enable inputs

Y0 to Y3

input/output terminals

Z0 to Z3

input/output terminals

Fig.3 Schematic diagram (one switch).

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