HEF4000BT,652IC DUAL 3-IN NOR GATE 14-SOIC|NXP SEMICONDUCTORS|Lead free|RoHS Compliant HEF4000BT,652 HEF4000BT,652IC DUAL 3-IN NOR GATE 14-SOIC|NXP SEMICONDUCTORS [CHP]|Lead free|RoHS Compliant HEF4000BT,652