SN74AS374 - 具有三态输出的八路 D 类边沿触发器

SN74AS374是TI德州仪器公司的一款D类触发器产品，SN74AS374是具有三态输出的八路 D 类边沿触发器，本站介绍了SN74AS374的封装应用图解、特点和优点、功能等，并给出了与SN74AS374相关的TI元器件型号供参考。

SN74AS374 - 具有三态输出的八路 D 类边沿触发器 - D类触发器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

These octal D-type edge-triggered flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.

A buffered output-enable (OE\) input places the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without interface or pullup components.

OE\ does not affect internal operations of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

The SN54ALS374A and SN54AS374 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS374A and SN74AS374 are characterized for operation from 0°C to 70°C.

产品特性

D-Type Flip-Flops in a Single Package With 3-State Bus Driving True Outputs
Full Parallel Access for Loading
Buffered Control Inputs
Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) DIPs

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