SN74ALS841 - 具有三态输出的 10 位总线接口 D 类锁存器

SN74ALS841是TI德州仪器公司的一款D类锁存器产品，SN74ALS841是具有三态输出的 10 位总线接口 D 类锁存器，本站介绍了SN74ALS841的封装应用图解、特点和优点、功能等，并给出了与SN74ALS841相关的TI元器件型号供参考。

SN74ALS841 - 具有三态输出的 10 位总线接口 D 类锁存器 - D类锁存器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

These 10-bit latches 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.

The ten latches are transparent D-type latches. The SN74ALS841 and SN74AS841A have noninverting data (D) inputs. The SN74ALS842 has inverting D\ inputs.

A buffered output-enable () input places the ten 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 operation of the latches. Previously stored data can be retained or new data can be entered while the outputs are off.

The SN74ALS841, SN74AS841A, and SN74ALS842 are characterized for operation from 0°C to 70°C.

产品特性

3-State Buffer-Type Outputs Drive Bus Lines Directly
Bus-Structured Pinout
Provide Extra Bus-Driving Latches Necessary for Wider Address/Data Paths or Buses With Parity
Buffered Control Inputs to Reduce dc Loading Effects
Power-Up High-Impedance State
Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (NT) 300-mil DIPs

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