| 1656121 | UPD23C32040AL | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656122 | UPD23C32040ALGX-XXX | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656123 | UPD23C32040ALGY-XXX-MJH | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656124 | UPD23C32040ALGY-XXX-MKH | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656125 | UPD23C32080AL | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656126 | UPD23C32080ALGX-XXX | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656127 | UPD23C32080ALGY-XXX-MJH | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656128 | UPD23C32080ALGY-XXX-MKH | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656129 | UPD23C32300 | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656130 | UPD23C32300F9-XXX-BC3 | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656131 | UPD23C32300GZ-XXX-MJH | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656132 | UPD23C32340 | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656133 | UPD23C32340F9-XXX-BC3 | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656134 | UPD23C32340GZ-XXX-MJH | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656135 | UPD23C32380 | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656136 | UPD23C32380F9-XXX-BC3 | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656137 | UPD23C32380GZ-XXX-MJH | 32M-bit (4M-wordx8-bit/2M-wordx16-bit) Mask ROM | NEC |
| 1656138 | UPD23C64000JL | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656139 | UPD23C64000JLGX-XXX | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
|
| 1656140 | UPD23C64000JLGY-XXX-MJH | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656141 | UPD23C64000JLGY-XXX-MKH | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656142 | UPD23C64040JL | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656143 | UPD23C64040JLGX-XXX | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656144 | UPD23C64040JLGY-XXX-MJH | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656145 | UPD23C64040JLGY-XXX-MKH | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656146 | UPD23C64080JL | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656147 | UPD23C64080JLGX-XXX | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656148 | UPD23C64080JLGY-XXX-MJH | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656149 | UPD23C64080JLGY-XXX-MKH | 64M-bit (8M-wordx8-bit/4M-wordx16-bit) Mask ROM | NEC |
| 1656150 | UPD27128 | 16384 x 8 Bit NMOS UV/OTP EPROM | NEC |
| 1656151 | UPD2716 | 16384 Bit UV Erasable PROM | NEC |
| 1656152 | UPD2723T-E3 | Wideband AGC amplifier for BS tuner, mobile communication | NEC |
| 1656153 | UPD2813C | Clock And Radio Frequency Counter/Display Circuit CMOS LSI | NEC |
| 1656154 | UPD2819C | PHASE LOCKED LOOP FREQUENCY SYNTHESIZER CMOS LSI | NEC |
| 1656155 | UPD2833C | MOS Digital Instegrated Circuit | NEC |
| 1656156 | UPD2834C | MOS Digital Instegrated Circuit | NEC |
| 1656157 | UPD2845GR | 1 V, 1.3 mA, 94MHz PLL SYNTHESIZER LSI FOR PAGER SYSTEM | NEC |
| 1656158 | UPD2845GR-E1 | 1 V, 1.3 mA, 94MHz PLL SYNTHESIZER LSI FOR PAGER SYSTEM | NEC |
| 1656159 | UPD2845GR-E2 | 1 V, 1.3 mA, 94MHz PLL SYNTHESIZER LSI FOR PAGER SYSTEM | NEC |
| 1656160 | UPD28C256CZ-20 | 32,768 x 8-bit CMOS EEPROM. Access time(max) 200 ns. | NEC |
