Quick Access: HD-21
| Part Number | Manufacturer |
|---|---|
| HD74HC42 | Hitachi Semiconductor |
| HD74HC42 | Renesas |
| HD74HC423A | Hitachi Semiconductor |
| HD74HC423A | Renesas |
| HD74HC442 | Hitachi Semiconductor |
| HD74HC442 | Renesas |
| HD74HC443 | Hitachi Semiconductor |
| HD74HC443 | Renesas |
| HD74HC444 | Renesas |
| HD74HC444 | Hitachi Semiconductor |
| HD74HC4511 | Hitachi Semiconductor |
| HD74HC4511 | Renesas |
| HD74HC4514 | Hitachi Semiconductor |
| HD74HC4515 | Hitachi Semiconductor |
| HD74HC4518 | Hitachi Semiconductor |
| HD74HC4518 | Renesas |
| HD74HC4520 | Hitachi Semiconductor |
| HD74HC4520 | Renesas |
| HD74HC4538 | Hitachi Semiconductor |
| HD74HC4538 | Renesas |
| HD74HC4543 | Hitachi Semiconductor |
| HD74HC4543 | Renesas |
| HD74HC490 | Hitachi Semiconductor |
| HD74HC51 | Hitachi Semiconductor |
| HD74HC51 | Renesas |
| HD74HC533 | Hitachi Semiconductor |
| HD74HC533 | Renesas |
| HD74HC534 | Hitachi Semiconductor |
| HD74HC534 | Renesas |
| HD74HC540 | Hitachi Semiconductor |
| HD74HC540 | Renesas |
| HD74HC541 | Hitachi Semiconductor |
| HD74HC541 | Renesas |
| HD74HC563 | Hitachi Semiconductor |
| HD74HC563 | Renesas |
| HD74HC564 | Hitachi Semiconductor |
| HD74HC564 | Renesas |
| HD74HC564P | Renesas |
| HD74HC564P | Hitachi Semiconductor |
| HD74HC573 | Hitachi Semiconductor |
| HD74HC573 | Renesas |
| HD74HC574 | Hitachi Semiconductor |
| HD74HC574 | Renesas |
| HD74HC574P | Renesas |
| HD74HC589 | Hitachi Semiconductor |
| HD74HC589 | Renesas |
| HD74HC590 | Hitachi Semiconductor |
| HD74HC590 | Renesas |
| HD74HC592 | Hitachi Semiconductor |
| HD74HC592 | Renesas |
| HD74HC595 | Hitachi Semiconductor |
| HD74HC595 | Renesas |
| HD74HC597 | Hitachi Semiconductor |
| HD74HC597 | Renesas |
| HD74HC620 | Hitachi Semiconductor |
| HD74HC620 | Renesas |
| HD74HC623 | Hitachi Semiconductor |
| HD74HC623 | Renesas |
| HD74HC640 | Hitachi Semiconductor |
| HD74HC640 | Renesas |
| HD74HC643 | Hitachi Semiconductor |
| HD74HC643 | Renesas |
| HD74HC646 | Hitachi Semiconductor |
| HD74HC648 | Hitachi Semiconductor |
| HD74HC651 | Hitachi Semiconductor |
| HD74HC652 | Hitachi Semiconductor |
| HD74HC668 | Hitachi Semiconductor |
| HD74HC668 | Renesas |
| HD74HC669 | Hitachi Semiconductor |
| HD74HC669 | Renesas |
| HD74HC670 | Hitachi Semiconductor |
| HD74HC670 | Renesas |
| HD74HC673 | Hitachi Semiconductor |
| HD74HC674 | Hitachi Semiconductor |
| HD74HC677 | Hitachi Semiconductor |
| HD74HC678 | Hitachi Semiconductor |
| HD74HC679 | Hitachi Semiconductor |
| HD74HC679 | Renesas |
| HD74HC680 | Hitachi Semiconductor |
| HD74HC680 | Renesas |
| HD74HC682 | Hitachi Semiconductor |
| HD74HC682 | Renesas |
| HD74HC684 | Hitachi Semiconductor |
| HD74HC684 | Renesas |
| HD74HC688 | Hitachi Semiconductor |
| HD74HC688 | Renesas |
| HD74HC73 | Hitachi Semiconductor |
| HD74HC73 | Renesas |
| HD74HC74 | Hitachi Semiconductor |
| HD74HC74 | Renesas |
| HD74HC75 | Hitachi Semiconductor |
| HD74HC75 | Renesas |
| HD74HC76 | Hitachi Semiconductor |
| HD74HC76 | Renesas |
| HD74HC77 | Hitachi Semiconductor |
| HD74HC77 | Renesas |
| HD74HC78 | Hitachi Semiconductor |
| HD74HC78 | Renesas |
| HD74HC83 | Hitachi Semiconductor |
| HD74HC83 | Renesas |
