SN74LVC244AN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

SN74LVC244AN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SN74LVC244AN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

• Operates from 1.65V to 3.6V

• Inputs accept voltages to 5.5V

• Specified from –40°C to +85°C and

–40°C to +125°C

• Maximum tpd of 5.9ns at 3.3V

• Typical VOLP (output ground bounce)

< 0.8V at VCC = 3.3V, TA = 25°C

• Typical VOHV (output VOH undershoot)

> 2V at VCC = 3.3V, TA = 25°C

• Supports mixed-mode signal operation on

all ports (5V input or output voltage with

3.3V VCC)

• Ioff supports live insertion, partial-power-down

mode, and back-drive protection

• Can be used as a down translator to translate

inputs from a maximum of 5.5V down

to the VCC level

• Available in ultra small logic QFN package (0.5mm

maximum height)

• Latch-up performance exceeds 250mA per

JESD 17

2 Applications

• Servers

• LED displays

• Network switches

• Telecom infrastructure

• Motor drivers

• I/O expanders

• Enable or disable a digital signal

• Controlling an indicator LED

• Translation between communication modules and

system controllers

3 Description

These octal bus buffers are designed for 1.65V to

3.6V VCC operation. The SN74LVC244A devices are

designed for asynchronous communication between

data buses.