| 667641 | HEF4076BN | Quadruple D-type register with 3-state outputs | Philips |
| 667642 | HEF4076BP | Quadruple D-type register with 3-state outputs | Philips |
| 667643 | HEF4076BPB | Quadruple D-type register with 3-state outputs | Philips |
| 667644 | HEF4076BT | Quadruple D-type register with 3-state outputs | Philips |
| 667645 | HEF4076BU | Quadruple D-type register with 3-state outputs | Philips |
| 667646 | HEF4077B | Quadruple exclusive-NOR gate | Philips |
| 667647 | HEF4077BD | Quadruple exclusive-NOR gate | Philips |
| 667648 | HEF4077BDB | Quadruple EXCLUSIVE-NOR gate | Philips |
| 667649 | HEF4077BF | Quadruple exclusive-NOR gate | Philips |
| 667650 | HEF4077BN | Quadruple exclusive-NOR gate | Philips |
| 667651 | HEF4077BP | Quadruple EXCLUSIVE-NOR gate | NXP Semiconductors |
| 667652 | HEF4077BP | Quadruple exclusive-NOR gate | Philips |
| 667653 | HEF4077BPB | Quadruple EXCLUSIVE-NOR gate | Philips |
| 667654 | HEF4077BT | Quad 2-input EXCLUSIVE-NOR gate | Nexperia |
| 667655 | HEF4077BT | Quadruple EXCLUSIVE-NOR gate | NXP Semiconductors |
| 667656 | HEF4077BT | Quadruple exclusive-NOR gate | Philips |
| 667657 | HEF4077BT-Q100 | Quad 2-input EXCLUSIVE-NOR gate | Nexperia |
| 667658 | HEF4077BU | Quadruple EXCLUSIVE-NOR gate | Philips |
| 667659 | HEF4078 | 8-input NOR gate | Philips |
|
| 667660 | HEF4078B | 8-input NOR gate | Philips |
| 667661 | HEF4078BD | 8-input NOR gate | Philips |
| 667662 | HEF4078BDB | 8-input NOR gate | Philips |
| 667663 | HEF4078BF | 8-input NOR gate | Philips |
| 667664 | HEF4078BN | 8-input NOR gate | Philips |
| 667665 | HEF4078BP | 8-input NOR gate | Philips |
| 667666 | HEF4078BPB | 8-input NOR gate | Philips |
| 667667 | HEF4078BT | 8-input NOR gate | Philips |
| 667668 | HEF4078BU | 8-input NOR gate | Philips |
| 667669 | HEF4081B | Quadruple 2-input AND gate | Philips |
| 667670 | HEF4081BD | Quadruple 2-input AND gate | Philips |
| 667671 | HEF4081BDB | Quadruple 2-input AND gate | Philips |
| 667672 | HEF4081BF | Quadruple 2-input AND gate | Philips |
| 667673 | HEF4081BN | Quadruple 2-input AND gate | Philips |
| 667674 | HEF4081BP | Quad 2-input AND gate | NXP Semiconductors |
| 667675 | HEF4081BP | Quadruple 2-input AND gate | Philips |
| 667676 | HEF4081BPB | Quadruple 2-input AND gate | Philips |
| 667677 | HEF4081BT | Quad 2-input AND gate | Nexperia |
| 667678 | HEF4081BT | Quad 2-input AND gate | NXP Semiconductors |
| 667679 | HEF4081BT | Quadruple 2-input AND gate | Philips |
| 667680 | HEF4081BT-Q100 | Quad 2-input AND gate | Nexperia |
