SN74HCT645N. Component family: CMOS logic integrated circuit. Configuration: PCB through-hole mounting. Housing (JEDEC standard): -. Housing: DIP20. Logic circuits family: 74HCTxx series. Logic function: 8-bit bus driver. Max temperature: +85°C.. Number of circuits: 1. Number of terminals: 20. RoHS: yes. Type of circuits: CMOS. [V]: +5.5V. Original product from manufacturer: Texas Instruments. Quantity in stock updated on 12/11/2025, 21:06