| 665521 | HEC4014 | 8-bit static shift register | Philips |
| 665522 | HEC4014BDB | 8-bit static shift register | Philips |
| 665523 | HEC4015 | Dual 4-bit static shift register | Philips |
| 665524 | HEC4015B | Dual 4-bit static shift register | Philips |
| 665525 | HEC4015BDB | Dual 4-bit static shift register | Philips |
| 665526 | HEC4016BDB | Quadruple bilateral switches | Philips |
| 665527 | HEC40174BDB | Hex D-type flip-flop | Philips |
| 665528 | HEC40175BDB | Quadruple D-type flip-flop | Philips |
| 665529 | HEC4017BDB | 5-stage Johnson counter | Philips |
| 665530 | HEC40195BDB | 4-bit universal shift register | Philips |
| 665531 | HEC4020BDB | 14-stage binary counter | Philips |
| 665532 | HEC4023B | Triple 3-input NAND gate | Philips |
| 665533 | HEC4023BDB | Triple 3-input NAND gate | Philips |
| 665534 | HEC4023BT | HEF4023B; Triple 3-input NAND gate | Philips |
| 665535 | HEC40244BDB | Octal buffers with 3-state outputs | Philips |
| 665536 | HEC4024BDB | 7-stage binary counter | Philips |
| 665537 | HEC4025BDB | Triple 3-input NOR gate | Philips |
| 665538 | HEC4027B | Dual JK flip-flop | Philips |
| 665539 | HEC4027BDB | Dual JK flip-flop | Philips |
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| 665540 | HEC4027BT | HEF4027B; Dual JK flip-flop | Philips |
| 665541 | HEC4030BDB | Quadruple exclusive-OR gate | Philips |
| 665542 | HEC4040B | 12-stage binary counter | Philips |
| 665543 | HEC4040BDB | 12-stage binary counter | Philips |
| 665544 | HEC4040BT | HEF4040B; 12-stage binary counter | Philips |
| 665545 | HEC4046BDB | Phase-locked loop | Philips |
| 665546 | HEC4047BDB | Monostable/astable multivibrator | Philips |
| 665547 | HEC4049 | buffers HEX inverting buffers | Philips |
| 665548 | HEC4049B | buffers HEX inverting buffers | Philips |
| 665549 | HEC4049BDB | HEX inverting buffers | Philips |
| 665550 | HEC4050BDB | HEX non-inverting buffers | Philips |
| 665551 | HEC4051B | 8-channel analogue multiplexer/demultiplexer | Philips |
| 665552 | HEC4051BDB | 8-channel analogue multiplexer/demultiplexer | Philips |
| 665553 | HEC4060B | 14-stage ripple-carry binary counter/divider and oscillator | Philips |
| 665554 | HEC4060BT | HEF4060B; 14-stage ripple-carry binary counter/divider and oscillator | Philips |
| 665555 | HEC4066B | Quadruple bilateral switches | Philips |
| 665556 | HEC4066BDB | Quadruple bilateral switches | Philips |
| 665557 | HEC4066BT | HEF4066B gates; Quadruple bilateral switches | Philips |
| 665558 | HEC4068BDB | 8-input NAND gate | Philips |
| 665559 | HEC4069UB | Hex inverter | Philips |
| 665560 | HEC4069UBDB | Hex inverter | Philips |
