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DM7445

Part Number	DM7445
Manufacturer	National Semiconductor
Description	BCD to Decimal Decoders/Drivers
Published	Jan 1, 2015
Detailed Description	DM5445 DM7445 BCD to Decimal Decoders Drivers June 1989 DM5445 DM7445 BCD to Decimal Decoders Drivers General Descrip...
Datasheet	DM7445 PDF File

Overview

DM5445 DM7445 BCD to Decimal Decoders Drivers June 1989 DM5445 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 compatible for interfacing with most MOS integrated circuits Features Y Full decoding of input logic Y 80 mA sink-current capability Y All outputs are off for invalid BCD input conditions Connection Diagram Function Table Dual-In-Line Package TL F 6517 – 1 Order Number DM5445J DM5445W or DM7445N See NS Package Number J16A N16E or W16A Inputs No Outputs DCBA0 1 2 3 4 5 6 7 8 9 0 L L L L LHHHHHHHHH 1 L L LHHLHHHHHHHH 2 L LHLHHLHHHHHHH 3 L LHHHHHLHHHHHH 4 LHL LHHHHLHHHHH 5 LHLHHHHHHLHHHH 6 LHHLHHHHHHLHHH 7 LHHHHHHHHHHLHH 8 HL L LHHHHHHHHLH 9 HL LHHHHHHHHHHL I HLHLHHHHHHHHHH N HLHHHHHHHHHHHH V HHL LHHHHHHHHHH A HHLHHHHHHHHHHH L HHHLHHHHHHHHHH I HHHHHHHHHHHHHH D H e High Level (Off) L e Low Level (On) C1995 National Semiconductor Corporation TL F 6517 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 7V Input Voltage 5 5V Output Voltage 30V Operating Free Air Temperature Range DM54 b55 C to a125 C DM74 0 C to a70 C Storage Temperature Range b65 C to a150 C Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed The device should not be operated at these limits The parametric values defi...

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