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