DESCRIPTION
The 74LVT543 is a high-performance BiCMOS product designed for VCC operation at 3.3V.
   
FEATURES
• Combines 74LVT245 and 74LVT373 type functions in one device
• 8-bit octal transceiver with D-type latch
• Back-to-back registers for storage
• Separate controls for data flow in each direction
• Output capability: +64mA/–32mA
• TTL input and output switching levels
• Input and output interface capability to systems at 5V supply
• Bus-hold data inputs eliminate the need for external pull-up
    resistors to hold unused inputs
• Live insertion/extraction permitted
• No bus current loading when output is tied to 5V bus
• Power-up 3-State
• Power-up reset
• Latch-up protection exceeds 500mA per JEDEC Std 17
• ESD protection exceeds 2000V per MIL STD 883 Method 3015
    and 200V per Machine Model