General description

The 74LVT244B; 74LVTH244B is a high-performance BiCMOS product designed for VCC operation at 3.3 V.

Features

Octal bus interface

3-state buffers

Speed upgrade of 74LVT244A

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

Power-up 3-state

Live insertion and extraction permitted

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

Latch-up protection:

  JESD78: exceeds 500 mA

ESD protection:

  HBM EIA/JESD22-A114-C exceeds 2000 V

  MM EIA/JESD22-A115-A 200 V