74ABT543CMSAX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

General Description

The ABT543 octal transceiver contains two sets of D-type latches for temporary storage of data flowing in either direction. Separate Latch Enable and Output Enable inputs are provided for each register to permit independent control of inputting and outputting in either direction of data flow.

特性 Features

■ Back-to-back registers for storage

■ Bidirectional data path

■ A and B outputs have current sourcing capability of 32

mA and current sinking capability of 64 mA

■ Separate controls for data flow in each direction

■ Guaranteed output skew

■ Guaranteed multiple output switching specifications

■ Output switching specified for both 50 pF and 250 pF loads

■ Guaranteed simultaneous switching noise level and

dynamic threshold performance

■ Guaranteed latchup protection

■ High impedance glitch free bus loading during entire

power up and power down cycle

■ Nondestructive hot insertion capability