| 1657001 | UPD4721GS-GJG-E2 | 3.3V applicability RS-232 line driver/receiver | NEC |
| 1657002 | UPD4722 | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V | NEC |
| 1657003 | UPD4722GS-GJG | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V | NEC |
| 1657004 | UPD4722GS-GJG-E2 | 3.3V applicability RS-232 line driver/receiver | NEC |
| 1657005 | UPD4723 | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V | NEC |
| 1657006 | UPD4723GS-GJG | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V | NEC |
| 1657007 | UPD4723GS-GJG-E1 | 3.3V applicability RS-232 line driver/receiver | NEC |
| 1657008 | UPD4723GS-GJG-E2 | 3.3V applicability RS-232 line driver/receiver | NEC |
| 1657009 | UPD4724 | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V | NEC |
| 1657010 | UPD4724GS-GJG | RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V | NEC |
| 1657011 | UPD4724GS-GJG-E2 | 3.3V applicability RS-232 line driver/receiver | NEC |
| 1657012 | UPD4726 | RS-232 LINE DRIVER/RECEIVER | NEC |
| 1657013 | UPD4726GS-BAF | RS-232 LINE DRIVER/RECEIVER | NEC |
| 1657014 | UPD485505 | 5K-word x 8-bit configuration line buffer | NEC |
| 1657015 | UPD485505G-25 | 5K-word x 8-bit configuration line buffer | NEC |
| 1657016 | UPD485505G-35 | 5K-word x 8-bit configuration line buffer | NEC |
| 1657017 | UPD485506 | 5K-word x 16-bit/10K-word x 8-bit line buffer | NEC |
| 1657018 | UPD485506G5-25-7JF | 5K-word x 16-bit/10K-word x 8-bit line buffer | NEC |
| 1657019 | UPD485506G5-35-7JF | 5K-word x 16-bit/10K-word x 8-bit line buffer | NEC |
|
| 1657020 | UPD488448 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657021 | UPD488448FB-C60-53-DQ1 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657022 | UPD488448FB-C60-53-DQ2 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657023 | UPD488448FB-C71-45-DQ1 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657024 | UPD488448FB-C71-45-DQ2 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657025 | UPD488448FB-C80-45-DQ1 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657026 | UPD488448FB-C80-45-DQ2 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657027 | UPD488448FF-C60-53-DQ1 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657028 | UPD488448FF-C60-53-DQ2 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657029 | UPD488448FF-C71-45-DQ1 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657030 | UPD488448FF-C71-45-DQ2 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657031 | UPD488448FF-C80-45-DQ1 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657032 | UPD488448FF-C80-45-DQ2 | 128 M-bit Direct Rambus¢â DRAM | NEC |
| 1657033 | UPD4990A | SERIAL I/O CALENDAR & CLOCK CMOS LSI | NEC |
| 1657034 | UPD4990AC | SERIAL I/O CALENDAR & CLOCK CMOS LSI | NEC |
| 1657035 | UPD4990AG | SERIAL I/O CALENDAR & CLOCK CMOS LSI | NEC |
| 1657036 | UPD4991A | 4-BIT PARALLEL I/O CALENDAR CLOCK | NEC |
| 1657037 | UPD4991ACX | 4-BIT PARALLEL I/O CALENDAR CLOCK | NEC |
| 1657038 | UPD4991AGS | 4-BIT PARALLEL I/O CALENDAR CLOCK | NEC |
| 1657039 | UPD4992 | 8-Bit Parallel I/O Calendar Clock | NEC |
| 1657040 | UPD4992CX | 8-Bit Parallel I/O Calendar Clock | NEC |
