Specifications
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| TYPE | DESCRIPTION |
| Mfr | Nuvoton Technology Corporation |
| Series | W77 |
| Package | Tube |
| Product Status | OBSOLETE |
| Package / Case | 40-DIP |
| Mounting Type | Through Hole |
| Speed | 40MHz |
| Program Memory Size | 128KB (128K x 8) |
| RAM Size | 1K x 8 |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Oscillator Type | Internal |
| Program Memory Type | FLASH |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Connectivity | EBI/EMI, Serial Port |
| Peripherals | POR, WDT |
| Number of I/O | 32 |
| DigiKey Programmable | Not Verified |