SN74AHC74 - 具有清零和预设功能的双路上升沿 D 类触发器

SN74AHC74是TI德州仪器公司的一款D类触发器产品，SN74AHC74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SN74AHC74的封装应用图解、特点和优点、功能等，并给出了与SN74AHC74相关的TI元器件型号供参考。

SN74AHC74 - 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

The ’AHC74 dual positive-edge-triggered devices are D-type flip-flops.

A low level at the preset (PRE) or clear (CLR) inputs sets or resets the outputs, regardless of the levels of the other inputs. When PRE and CLR 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 can be changed without affecting the levels at the outputs.

产品特性

Operating Range 2-V to 5.5-V VCC
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

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