| 1657041 | UPD4992GS | 8-Bit Parallel I/O Calendar Clock | NEC |
| 1657042 | UPD4992GS-E2 | 8-Bit Parallel I/O Calendar Clock | NEC |
| 1657043 | UPD4992GS-T1 | 8-Bit Parallel I/O Calendar Clock | NEC |
| 1657044 | UPD4992GS-T2 | 8-Bit Parallel I/O Calendar Clock | NEC |
| 1657045 | UPD5201C | C-Mos Quad Spst Analog Switch | NEC |
| 1657046 | UPD5205 | Analog multiplexer. | NEC |
| 1657047 | UPD5205CA | Analog multiplexer. | NEC |
| 1657048 | UPD5205G | Analog multiplexer. | NEC |
| 1657049 | UPD555 | EVACHIP - 42 | NEC |
| 1657050 | UPD556B | 4 Bit Single-Chip ROM-LESS Evaluation Chip | NEC |
| 1657051 | UPD5701 | WIDE BAND SPDT SWITCH | NEC |
| 1657052 | UPD5702TU-E2 | 2.4 GHz Si LD MOS power amplifier. | NEC |
| 1657053 | UPD5710TK | NECs WIDE BAND SINGLE CONTROL CMOS SPDT SWITCH | NEC |
| 1657054 | UPD5710TK-E2 | Wideband SPDT switch. | NEC |
| 1657055 | UPD5710TK-E2-A | NECs WIDE BAND SINGLE CONTROL CMOS SPDT SWITCH | NEC |
| 1657056 | UPD61012 | MPEG1 Decoder LSI for Video CD | NEC |
| 1657057 | UPD6102G | Multi Purpose Remote Control Transmitter IC | NEC |
| 1657058 | UPD6104C-001 | CMOS LSI for Character Display On Screen | NEC |
| 1657059 | UPD61051 | MPEG2 AV Encoder | NEC |
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| 1657060 | UPD61051GD-LML | MPEG2 AV Encoder | NEC |
| 1657061 | UPD61051GD-LML-A | MOS INTEGRATED CIRCUIT MPEG2 AUDIO/VIDEO ENCODER | NEC |
| 1657062 | UPD61052 | MPEG2 AV Encoder | NEC |
| 1657063 | UPD61052GD-LML | MPEG2 AV Encoder | NEC |
| 1657064 | UPD61052GD-LML-A | MOS INTEGRATED CIRCUIT MPEG2 AUDIO/VIDEO ENCODER | NEC |
| 1657065 | UPD6105C-002 | CMOS LSI for Character Display On Screen | NEC |
| 1657066 | UPD6115X | MPEG2 Audio Video Encoder LSI | NEC |
| 1657067 | UPD61171 | Second Generation Enhanced Multimedia Architecture | NEC |
| 1657068 | UPD6121 | REMOTE CONTROL TRANSMISSION CMOS IC | NEC |
| 1657069 | UPD6121G | IC for infrared remote control transmitter | NEC |
| 1657070 | UPD6121G-001 | REMOTE CONTROL TRANSMISSION CMOS IC | NEC |
| 1657071 | UPD6121G-002 | REMOTE CONTROL TRANSMISSION CMOS IC | NEC |
| 1657072 | UPD6122 | REMOTE CONTROL TRANSMISSION CMOS IC | NEC |
| 1657073 | UPD6122G | IC for infrared remote control transmitter | NEC |
| 1657074 | UPD6122G-001 | REMOTE CONTROL TRANSMISSION CMOS IC | NEC |
| 1657075 | UPD6122G-002 | REMOTE CONTROL TRANSMISSION CMOS IC | NEC |
| 1657076 | UPD6124A | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION | NEC |
| 1657077 | UPD6124ACS | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION | NEC |
| 1657078 | UPD6124ACS-XXX | IC for programmable infrared remote control transmitter | NEC |
| 1657079 | UPD6124AGS | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION | NEC |
| 1657080 | UPD6124AGS-XXX | IC for programmable infrared remote control transmitter | NEC |
