January 1995

2

Philips Semiconductors

Product specification

18-stage static shift register

HEF4006B

MSI

DESCRIPTION

The HEF4006B is an 18-stage shift register arranged as

two 4-stage and two 5-stage shift registers with a common

clock input (CP). The two 4-stage shift registers each have

The registers can be operated in parallel or interconnected

to form a single shift register of up to 18 bits. Data are

shifted into the first register position of each register from

are shifted one position to the right on the HIGH to LOW

transition of CP.

Fig.1 Functional diagram.

HEF4006BP(N):

14-lead DIL; plastic

(SOT27-1)

HEF4006BD(F):

14-lead DIL; ceramic (cerdip)

(SOT73)

HEF4006BT(D):

14-lead SO; plastic

(SOT108-1)

( ): Package Designator North America

Fig.2 Pinning diagram.

FUNCTION TABLE

Notes

1. X = state is immaterial

2.

= positive-going transition

3.

= negative-going transition

length.

CP

X

no change

PINNING

See Family Specifications

data inputs

CP

clock input

(HIGH to LOW; edge-triggered)