SN74LV273ANSR集成电路（IC）的触发器规格书PDF中文资料

SN74LV273ANSR属于集成电路（IC）的触发器。由德州仪器制造生产的SN74LV273ANSR触发器触发器是能够存储单个逻辑状态或信息“位”的基本数字存储器件。这些器件至少有两个输入；一个或多个用于传递要存储的数据，另一个用于指示存储该数据的时间点。不同的触发器类型，例如 D（延迟）、SR（置位复位）和 JK，对提供给其输入的信号有不同的响应，可用于实现不同的逻辑功能。这些器件与锁存器的不同之处在于它们是边缘敏感器件，其保持的逻辑状态仅在接收到有效时钟信号时才会改变。

1 Features

• VCC operation of 2-V to 5.5-V

• Maximum tpd of 10.5 ns at 5 V

• Typical VOLP (output ground bounce)

< 0.8 V at VCC = 3.3 V, TA = 25°C

• Typical VOHV (output VOH undershoot)

> 2.3 V at VCC = 3.3 V, TA = 25°C

• Ioff supports partial-power-down mode operation

• Supports mixed-mode voltage operation

on all ports

• Latch-up performance exceeds 250 mA

per JESD 17

• ESD protection exceeds JESD 22:

– 3000-V Human-Body Model

– 2000-V Charged-Device Model

2 Applications

• Power sub-station controls

• I/O modules; analog PLC/DCS inputs

• Human machine interfaces (HMI)

• Flow meters

• Patient monitoring

• Test and measurement solutions

3 Description

The SN74LV273A device is an octal D-type flip-flop

designed for 2-V to 5.5-V VCC operation.