© 2000 Fairchild Semiconductor Corporation

DS006517

www.fairchildsemi.com

September 1986

Revised February 2000

DM7445

BCD to Decimal Decoders/Drivers

General Description

These BCD-to-decimal decoders/drivers consist of eight

inverters and ten, four-input NAND gates. The inverters are

connected in pairs to make BCD input data available for

decoding by the NAND gates. Full decoding of BCD input

logic ensures that all outputs remain OFF for all invalid

(10–15) binary input conditions. These decoders feature

high-performance, NPN output transistors designed for use

as indicator/relay drivers, or as open-collector logic-circuit

drivers. The high-breakdown output transistors are com-

patible for interfacing with most MOS integrated circuits.

Features

s Full decoding of input logic

s 80 mA sink-current capability

s All outputs are off for invalid BCD input conditions

Ordering Code:

Connection Diagram

Order Number

Package Number

Package Description

DM7445

N16E

16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide