MC74LVX4245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

MC74LVX4245属于集成电路（IC）的缓冲器驱动器接收器收发器。由安森美半导体公司制造生产的MC74LVX4245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。

Dual Supply Octal Translating Transceiver

with 3−State Outputs

The 74LVX4245 is a 24−pin dual−supply, octal translating transceiver that is designed to interface between a 5.0 V bus and a 3.0 V bus in a mixed 3.0 V / 5.0 V supply environment such as laptop computers using a 3.3 V CPU and 5.0 V LCD display. The A port interfaces with the 5V bus; the B port interfaces with the 3.0 V bus.

The Transmit/Receive (T/R) input determines the direction of data flow. Transmit (active−High) enables data from the A port to the B port. Receive (active−Low) enables data from the B port to the A port. The Output Enable (OE) input, when High, disables both A and B ports by placing them in 3−State.

特性 Features

• Bi−directional Interface Between 5.0 V and 3.0 V Buses

• Control Inputs Compatible with TTL Level

• 5.0 V Data Flow at A Port and 3.0 V Data Flow at B Port

• Outputs Source/Sink 24 mA at 5.0 V Bus and 12 mA at 3.0 V Bus

• Guaranteed Simultaneous Switching Noise Level and Dynamic Threshold Performance

• Available in SOIC and TSSOP Packages

• Functionally Compatible with the 74 Series 245

• These Devices are Pb−Free and are RoHS Compliant