74系列逻辑芯片/74LVT244ADB
DESCRIPTION
The LVT244A is a high-performance BiCMOS product designed for VCC operation at 3.3V.
FEATURES
•Octal bus interface
•3-State buffers
•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
•Power-up 3-State
•Live insertion/extraction permitted
•No bus current loading when output is tied to 5V bus
•Latch-up protection exceeds 500mA per JEDEC Std 17
•ESD protection exceeds 2000V per MIL STD 883 Method 3015 and 200V per Machine Model