| 1638601 | U3600BM-NFNG3 | SINGLE CHIP CORDLESS TELEPHONE IC | Atmel |
| 1638602 | U3660M | Baseband Delay Line (64 Us) | TEMIC |
| 1638603 | U3660M-B | Baseband Delay Line (64 Us) | TEMIC |
| 1638604 | U3660M-M | Baseband Delay Line (64 us) | TEMIC |
| 1638605 | U3661M | Baseband Delay Line (64 us) | TEMIC |
| 1638606 | U3665M | Baseband Delay Line 0.064 ms (Improved Version) | TEMIC |
| 1638607 | U3665M-MDP | Baseband Delay Line 64 us (Improved Version) | TEMIC |
| 1638608 | U3665M-MFP | Baseband Delay Line 64 us (Improved Version) | TEMIC |
| 1638609 | U3666M | Baseband Delay Line o.o64 ms (Improved Version of U3665M) | TEMIC |
| 1638610 | U3741B | UHF ASK/FSK Receiver | TEMIC |
| 1638611 | U3741BM | UHF remote control receiver | Atmel |
| 1638612 | U3741BM-M2FL | UHF ASK receiver IC. | Atmel |
| 1638613 | U3741BM-M2FL | UHF ASK/FSK Receiver | TEMIC |
| 1638614 | U3741BM-M2FLG3 | UHF ASK receiver IC. | Atmel |
| 1638615 | U3741BM-M2FLG3 | UHF ASK/FSK Receiver | TEMIC |
| 1638616 | U3741BM-M3FL | UHF ASK receiver IC. | Atmel |
| 1638617 | U3741BM-M3FL | UHF ASK/FSK Receiver | TEMIC |
| 1638618 | U3741BM-M3FLG3 | UHF ASK receiver IC. | Atmel |
| 1638619 | U3741BM-M3FLG3 | UHF ASK/FSK Receiver | TEMIC |
|
| 1638620 | U3742BM | UHF remote control receiver | Atmel |
| 1638621 | U3742BM-M3FL | UHF ASK/FSK receiver. | Atmel |
| 1638622 | U3742BM-M3FLG3 | UHF ASK/FSK receiver. | Atmel |
| 1638623 | U3745BM | UHF ASK receiver | Atmel |
| 1638624 | U3745BM-MFL | UHF ASK RECEIVER IC | Atmel |
| 1638625 | U3745BM-MFLG3 | UHF ASK RECEIVER IC | Atmel |
| 1638626 | U3750BM | One Chip Telephone Circuit | TEMIC |
| 1638627 | U3760MB | Low-Voltage Standard Telephone Circuit | TEMIC |
| 1638628 | U3760MB-MFN | Low-Voltage Standard Telephone Circuit | TEMIC |
| 1638629 | U3760MB-MFNG3 | Low-Voltage Standard Telephone Circuit | TEMIC |
| 1638630 | U3760MB-MSD | Low-Voltage Standard Telephone Circuit | TEMIC |
| 1638631 | U3761MB | Low Voltage Standard Telephone Circuit with 13 Memories | TEMIC |
| 1638632 | U3761MB-AFN | Low Voltage Standard Telephone Circuit with 13 Memories | TEMIC |
| 1638633 | U3761MB-AFNG3 | Low Voltage Standard Telephone Circuit with 13 Memories | TEMIC |
| 1638634 | U3761MB-ASD | Low Voltage Standard Telephone Circuit with 13 Memories | TEMIC |
| 1638635 | U3761MB-T | One-chip telephone, low-voltage speech circuit, dialer 3 + 10 memories | Atmel |
| 1638636 | U3761MB-TFN | Universal Telephone IC - All Functions Integrated | Atmel |
| 1638637 | U3761MB-TFNG3 | Universal Telephone IC - All Functions Integrated | Atmel |
| 1638638 | U3761MBS | Universal Telephone IC | TEMIC |
| 1638639 | U3762MB | Universal Telephone IC - All Functions Integrated | TEMIC |
| 1638640 | U3770M | CT2 I/Q Modulator and Clock Circuitry | TEMIC |
