SN74AC244集成电路（IC）的缓冲器驱动器接收器收发器规格书PDF中文资料

SN74AC244属于集成电路（IC）的缓冲器驱动器接收器收发器。由德州仪器制造生产的SN74AC244缓冲器，驱动器，接收器，收发器逻辑缓冲器、驱动器、接收器和收发器允许隔离对某个电路的逻辑信号的访问，以用于另一电路。缓冲器将其输入信号（不变或反相）传递到其输出，并可能用于清除弱信号或驱动负载。在布尔逻辑仿真器中，缓冲器主要用于增加传播延迟。逻辑接收器和收发器允许在数据总线之间进行隔离通信。

1 Features

• AEC-Q100 qualified for automotive applications:

– Device temperature grade 1: -40°C to +125°C

– Device HBM ESD classification level 2

– Device CDM ESD classification level C4B

• Available in wettable flank QFN (RKS) package

• Wide operating range of 1.5 V to 6 V

• Inputs accept voltages up to 6 V

• Continuous ±24-mA output drive at 5 V

• Supports up to ±75-mA output drive at 5 V in short

bursts

• Drives 50-Ω transmission lines

• Maximum tpd of 6.8 ns at 5 V

2 Applications

• Enable or disable a digital signal

• Eliminate slow or noisy input signals

• Hold a signal during controller reset

• Debounce a switch

3 Description

The SN74AC244-Q1 is an octal buffer with 3-state

outputs and Schmitt-trigger inputs. The device is

configured into two banks of four drivers, each

controlled by an output enable pin.