SN74LS145 - BCD 到十进制解码器/驱动器

SN74LS145是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN74LS145是BCD 到十进制解码器/驱动器，本站介绍了SN74LS145的封装应用图解、特点和优点、功能等，并给出了与SN74LS145相关的TI元器件型号供参考。

SN74LS145 - BCD 到十进制解码器/驱动器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品描述

These monolithic BCD-to-decimal decoder/drivers consist of eight inverters and ten four-input NAND gates. The inverters are connected in pairs to make BCD input date available for decoding by the NAND gates. Full decoding of valid BCD input logic ensures that all outputs remain off for all invalid binary input conditions. These decoders feature high-performance, n-p-n output transistors designed for use as indicator/relay drivers or as open-collector logic-circuit drivers. Each of the high-breakdown output transistors (15 volts) of the SN54145, SN74145, or SN74LS145 will sink up to 80 milliamperes of current. Each input is one Series 54/74 or Series 54LS/74LS standard load, respectively. Inputs and outputs are entirely compatible for use with TTL or DTL logic curciuts, and the outputs are compatible for interfacing with most MOS integrated circuits. Power dissipation is typically 215 milliwatts for the '145 and 35 milliwatts for the 'LS145.

产品特性

Full Decoding of Input Logic
SN54145, SN74145, and SN74LS145 Have 80-mS Sink-current Capability
All Outputs Are Off for Invalid BCD Input Conditions
Low Power Dissipation of 'LS145 . . . 35 mW Typical

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