74VHC574集成电路（IC）的触发器规格书PDF中文资料

74VHC574属于集成电路（IC）的触发器。由安森美半导体公司制造生产的74VHC574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。

General Description

The VHC574 is an advanced high speed CMOS octal flipflop with 3-STATE output fabricated with silicon gate CMOS technology. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. This 8-bit D-type flip-flop is controlled by a clock input (CP) and an output enable input (OE). When the OE input is HIGH, the eight outputs are in a high impedance state.

特性 Features

■ High Speed: tPD = 5.6 ns (typ) at VCC = 5V

■ High Noise Immunity: VNIH = VNIL = 28 VCC (Min)

■ Power Down Protection is provided on all inputs

■ Low Noise: VOLP = 0.6V (typ)

■ Low Power Dissipation: ICC = 4 µA (Max) @ TA = 25°C

■ Pin and Function Compatible with 74HC574