SN54ALS74A - 具有清零和预设功能的双路上升沿 D 类触发器

SN54ALS74A是TI德州仪器公司的一款D类触发器产品，SN54ALS74A是具有清零和预设功能的双路上升沿 D 类触发器，本站介绍了SN54ALS74A的封装应用图解、特点和优点、功能等，并给出了与SN54ALS74A相关的TI元器件型号供参考。

SN54ALS74A - 具有清零和预设功能的双路上升沿 D 类触发器 - D类触发器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

These devices contain two independent positive-edge-triggered D-type flip-flops. A low level at the preset () or clear () inputs sets or resets the outputs regardless of the levels of the other inputs. When and are inactive (high), data at the data (D) input meeting the setup-time requirements are transferred to the outputs on the positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of CLK. Following the hold-time interval, data at the D input can be changed without affecting the levels at the outputs.

The SN54ALS74A and SN54AS74A are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS74A and SN74AS74A are characterized for operation from 0°C to 70°C.

产品特性

Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

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