TLF5843

March 1988

DS8874 9-Digit Shift Input LED Driver

General Description

The DS8874 is a 9-digit LED driver which incorporates a

shift register input decoding circuit and a low battery indica-

tor Outputs will sink 110 mA at less than 05V drop when

typical segment current will be furnished at digit 9 time to

indicate a low battery condition Pin 13 is generally connect-

ed to the decimal point segment on the display so that when

a low battery condition exists the left-most decimal point

lights up

Features

Y

110 mA digit sink

Y

Low battery indicator

Y

Minimum number of connections

Y

MOS compatible inputs

Connection Diagram

Dual-In-Line Package

TLF5843 – 1

Top View

Order Number DS8874N

See NS Package Number N14A

Equivalent Schematic

TLF5843 – 2

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A