| 645601 | HC-49U | Tape and Reel, insulator tab,3-lead,and custom lead length options available | etc |
| 645602 | HC-49U-S | Miniature Quartz Crystal Unit for Microprocessor Model HC-49/U-S | Kyocera Kinseki Corporation |
| 645603 | HC-521 | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645604 | HC-523 | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645605 | HC-537 | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645606 | HC-537M | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645607 | HC-5502B | EIA/ITU PABX SLIC with 30mA Loop Feed | Intersil |
| 645608 | HC-5502B1 | SLIC Subscriber Line Interface Circuit | Intersil |
| 645609 | HC-5504 | ITU Low Cost/ PABX SLIC With 40mA Loop Feed | Intersil |
| 645610 | HC-5504B | EIA/ITU PABX SLIC with 40mA Loop Feed | Intersil |
| 645611 | HC-5504B1 | ITU Low Cost/ PABX SLIC With 40mA Loop Feed | Intersil |
| 645612 | HC-5509B | SLIC Subscriber Line Interface Circuit | Intersil |
| 645613 | HC-5509B3999-003 | SLIC Subscriber Line Interface Circuit | Intersil |
| 645614 | HC-5524 | EIA/ITU 24V PABX SLIC with 25mA Loop Feed | Intersil |
| 645615 | HC-55536 | Continuously Variable Slope Delta-Demodulator (CVSD) | Intersil |
| 645616 | HC-55564 | Continuously Variable Slope Delta-Modulator (CVSD) | Intersil |
| 645617 | HC-5560 | PCM Transcoder | Intersil |
| 645618 | HC-577 | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645619 | HC-577M | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
|
| 645620 | HC-630 | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645621 | HC-637M | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645622 | HC-677 | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645623 | HC-677M | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645624 | HC-707 | Hybrid Assemblies OPTIC RECEIVER MODULES | etc |
| 645625 | HC00 | Quad 2-Input NAND Gate | System Logic Semiconductor |
| 645626 | HC05 | High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit | Motorola |
| 645627 | HC05C4AGRS | MC68HC05C4A, MC68HCL05C4A, MC68HSC05C4A General Release Specification | Motorola |
| 645628 | HC05CJ4GRS | 68HC05CJ4, 68HC705CJ4 General Release Specification | Motorola |
| 645629 | HC05CL4GRS | 68HC05CL4, 68HC705CL4 General Release Specification | Motorola |
| 645630 | HC05CT4GRS | 68HC05CT4 General Release Specification | Motorola |
| 645631 | HC05E1GRS | 68HC05E1General Release Specification | Motorola |
| 645632 | HC05E5GRS | MC68HC05E5 General Release Specification | Motorola |
| 645633 | HC05G3GRS | 68HC05G3, 68HC05G4 General Release Specification | Motorola |
| 645634 | HC05HC12GRS | 68HC(7)05H12 General Release Specification | Motorola |
| 645635 | HC05J5AGRS/H | 68HC(7)05J5A General Release Specification | Motorola |
| 645636 | HC05J5GRS | 68HC05J5 General Release Specification | Motorola |
| 645637 | HC05JB3GRS/H | 68HC05JB3 and 68HC705JB3 General Release Specification | Motorola |
| 645638 | HC05JB4GRS/H | 68HC(7)05JB4 General Release Specification | Motorola |
| 645639 | HC05JJ6GRS | 68HC05JJ6 and 68HC05JP6 General Release Specification | Motorola |
| 645640 | HC05K3GRS | 68HC05K3 General Release Specification | Motorola |
