| 513 | HT9312CT | 12-Memory Tone/Pulse Dialer |
| 514 | HT9312D | 12-Memory Tone/Pulse Dialer |
| 515 | HT9312DI | 12-Memory Tone/Pulse Dialer |
| 516 | HT9312DIT | 12-Memory Tone/Pulse Dialer |
| 517 | HT9312DL | 12-Memory Tone/Pulse Dialer |
| 518 | HT9312DLT | 12-Memory Tone/Pulse Dialer |
| 519 | HT9312DT | 12-Memory Tone/Pulse Dialer |
| 520 | HT9313A | 12-Memory Tone/Pulse Dialer |
| 521 | HT9313B | 12-Memory Tone/Pulse Dialer |
| 522 | HT9313C | 12-Memory Tone/Pulse Dialer |
| 523 | HT9313D | 12-Memory Tone/Pulse Dialer |
| 524 | HT9315 | 15-Memory Tone/Pulse Dialer |
| 525 | HT9315A | 15-Memory Tone/Pulse Dialer |
| 526 | HT9315AL | 15-Memory Tone/Pulse Dialer With IDD Lock |
| 527 | HT9315B | 15-Memory Tone/Pulse Dialer |
| 528 | HT9315BL | 15-Memory Tone/Pulse Dialer With IDD Lock |
| 529 | HT9315C | 15-Memory Tone/Pulse Dialer |
| 530 | HT9315CL | 15-Memory Tone/Pulse Dialer With IDD Lock |
| 531 | HT9315D | 15-Memory Tone/Pulse Dialer |
| 532 | HT9315DL | 15-Memory Tone/Pulse Dialer With IDD Lock |
| 533 | HT9320 | 22-Memory Tone/Pulse Dialer |
| 534 | HT9320A | 22-Memory Tone/Pulse Dialer |
| 535 | HT9320B | 22-Memory Tone/Pulse Dialer |
| 536 | HT9320C | 22-Memory Tone/Pulse Dialer |
| 537 | HT9320H | 22-Memory Tone/Pulse Dialer |
| 538 | HT9320K | 22-Memory Tone/Pulse Dialer |
| 539 | HT9320L | 22-Memory Tone/Pulse Dialer |
| 540 | HT9320L-X | 22-Memory Tone/Pulse Dialer |
| 541 | HT93214 | 1-memory Tone/Pulse Dialer |
| 542 | HT93214A | 1-memory Tone/Pulse Dialer |
| 543 | HT93214AT | 1-memory Tone/Pulse Dialer |
| 544 | HT93214B | 1-memory Tone/Pulse Dialer |
| 545 | HT93LC46 | CMOS 1K 3-Wire Serial EEPROM |
| 546 | HT93LC56 | CMOS 2K 3-Wire Serial EEPROM |
| 547 | HT93LC66 | 4K 3-Wire CMOS Serial EEPROM |
| 548 | HT9480 | Pager Controller |
| 549 | HT95168 | Caller ID Telephone IC |
| 550 | HT9580 | Character Pager Controller |
| | |
