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| Part Number | MEC1404-NU | MEC1414-NU | MEC1406-NU | MEC1408-NU |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active |
| Applications | Keyboard and Embedded Controller | Keyboard and Embedded Controller | Keyboard and Embedded Controller | Keyboard and Embedded Controller |
| Core Processor | MIPS32® M14K™ | MIPS32® M14K™ | MIPS32® M14K™ | MIPS32® M14K™ |
| Program Memory Type | External Program Memory | External Program Memory | External Program Memory | External Program Memory |
| Controller Series | - | - | - | - |
| RAM Size | 128KB | 128KB | 160kB | 192KB |
| Interface | I²C, LPC, SMBus, SPI, UART | I²C, LPC, SMBus, SPI, UART | I²C, LPC, SMBus, SPI, UART | I²C, LPC, SMBus, SPI, UART |
| Number of I/O | 106 | 106 | 106 | 106 |
| Voltage - Supply | 1.71V ~ 3.465V | 1.71V ~ 3.465V | 1.71V ~ 3.465V | 1.71V ~ 3.465V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 128-TQFP | 128-TQFP | 128-TQFP | 128-TQFP |
| Supplier Device Package | 128-VTQFP (14x14) | 128-VTQFP (14x14) | 128-VTQFP (14x14) | 128-VTQFP (14x14) |
