| 667521 | HEF4066BD | Quadruple bilateral switches | Philips |
| 667522 | HEF4066BDB | Quadruple bilateral switches | Philips |
| 667523 | HEF4066BF | Quadruple bilateral switches | Philips |
| 667524 | HEF4066BN | Quadruple bilateral switches | Philips |
| 667525 | HEF4066BP | Quadruple bilateral switches | Philips |
| 667526 | HEF4066BPB | Quadruple bilateral switches | Philips |
| 667527 | HEF4066BT | Quad single-pole single-throw analog switch | Nexperia |
| 667528 | HEF4066BT | Quadruple bilateral switches | Philips |
| 667529 | HEF4066BT-Q100 | Quad single-pole single-throw analog switch | Nexperia |
| 667530 | HEF4066BT-Q100 | Quad single-pole single-throw analog switch | NXP Semiconductors |
| 667531 | HEF4066BU | HEF4066B gates; Quadruple bilateral switches | Philips |
| 667532 | HEF4067B | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667533 | HEF4067BD | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667534 | HEF4067BDB | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667535 | HEF4067BF | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667536 | HEF4067BN | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667537 | HEF4067BP | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667538 | HEF4067BPB | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667539 | HEF4067BT | 16-channel analog multiplexer/demultiplexer | Nexperia |
|
| 667540 | HEF4067BT | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667541 | HEF4067BT-Q100 | 16-channel analog multiplexer/demultiplexer | Nexperia |
| 667542 | HEF4067BT-Q100 | 16-channel analog multiplexer/demultiplexer | NXP Semiconductors |
| 667543 | HEF4067BU | 16-channel analogue multiplexer/demultiplexer | Philips |
| 667544 | HEF4068B | 8-input NAND gate | Philips |
| 667545 | HEF4068BD | 8-input NAND gate | Philips |
| 667546 | HEF4068BDB | 8-input NAND gate | Philips |
| 667547 | HEF4068BF | 8-input NAND gate | Philips |
| 667548 | HEF4068BN | 8-input NAND gate | Philips |
| 667549 | HEF4068BP | 8-input NAND gate | NXP Semiconductors |
| 667550 | HEF4068BP | 8-input NAND gate | Philips |
| 667551 | HEF4068BPB | 8-input NAND gate | Philips |
| 667552 | HEF4068BT | 8-input NAND gate | NXP Semiconductors |
| 667553 | HEF4068BT | 8-input NAND gate | Philips |
| 667554 | HEF4068BU | 8-input NAND gate | Philips |
| 667555 | HEF4069 | Hex inverter | Philips |
| 667556 | HEF4069UB | Hex inverter | Philips |
| 667557 | HEF4069UBD | Hex inverter | Philips |
| 667558 | HEF4069UBDB | Hex inverter | Philips |
| 667559 | HEF4069UBF | Hex inverter | Philips |
| 667560 | HEF4069UBN | Hex inverter | Philips |
