SN74ALS534A - 具有三态输出的八路 D 类边沿触发器

SN74ALS534A是TI德州仪器公司的一款D类触发器产品，SN74ALS534A是具有三态输出的八路 D 类边沿触发器，本站介绍了SN74ALS534A的封装应用图解、特点和优点、功能等，并给出了与SN74ALS534A相关的TI元器件型号供参考。

SN74ALS534A - 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 complement of the logic states set up at the data (D) inputs. The 'ALS534A and SN74AS534 have inverted outputs, but otherwise are functionally equivalent to the 'ALS374A and SN74AS374.

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

does not affect the internal operations of the flip-flops. Old data can be retained or new data can be entered while the outputs are off.

The SN54ALS534A is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS534A and SN74AS534 are characterized for operation from 0°C to 70°C.

产品特性

3-State Bus Driving Inverting Outputs
Buffered Control Inputs
Package Options Include Plastic Small-Outline (DW), Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

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