SN54F74 - 具有清零和预设功能的双路上升沿 D 类触发器

SN54F74是TI德州仪器公司的一款D类触发器产品，SN54F74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SN54F74的封装应用图解、特点和优点、功能等，并给出了与SN54F74相关的TI元器件型号供参考。

SN54F74 - 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 is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at the D input may be changed without affecting the levels at the outputs.

The SN54F74 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F74 is characterized for operation from 0°C to 70°C.

The output levels are not guaranteed to meet the minimum levels for VOH. Furthermore, this configuration is nonstable; that is, it will not persist when or returns to its inactive (high) level.

产品特性

Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs

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