HEF4001BT-653. Component family: CMOS logic integrated circuit. Configuration: surface-mounted component (SMD). Housing (JEDEC standard): -. Housing: SO14. Logic circuits family: CD4xx series. Logic function: quad 2-input NOR logic gate. Max temperature: +125°C.. Number of circuits: 4. Number of terminals: 14. RoHS: yes. Type of circuits: CMOS. [V]: +18V. Original product from manufacturer: Nxp. Quantity in stock updated on 12/22/2025, 04:23