74LVTH244APW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 74LVT244A; 74LVTH244A is a high-performance BiCMOS product designed for VCC operation at 3.3 V.

特性 Features

■ Octal bus interface

■ 3-state buffers

■ Output capability: +64 mA and −32 mA

■ TTL input and output switching levels

■ Input and output interface capability to systems at 5 V supply

■ Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs

■ Live insertion and extraction permitted

■ Power-up 3-state

■ No bus current loading when output is tied to 5 V bus

■ Latch-up protection

◆ JESD78 Class II exceeds 500 mA

■ ESD protection:

◆ HBM JESD22-A114E exceeds 2000 V

◆ MM JESD22-A115-A exceeds 200 V