DESCRIPTION
The 74HCT1284 parallel interface chip is designed to provide an asynchronous, 4-bit, bi-directional, parallel printer interface for personal computers. Three additional lines are included to provide handshaking signals between the host and the peripheral. The part is designed to match IEEE 1284 standard.

FEATURES
• Asynchronous operation
• 4-Bit transceivers
• 3 additional buffer/driver lines
• TTL compatible inputs
• ESD protection exceeds 2000V per MIL STD 883 Method 3015 and 200V per Machine Model
• Input Hysteresis
• Low Noise Operation
• Center Pin VCC & GND
• IEEE 1284 Compliant Level 1 & 2
• Overvoltage Protection on B side