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| Name | Value |
|---|---|
| Product Status | Obsolete |
| Core Processor | 80C51 |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, UART/USART |
| Peripherals | Brown-out Detect/Reset, LED, POR, WDT |
| Number of I/O | 18 |
| Program Memory Size | 4KB (4K x 8) |
| Program Memory Type | OTP |
| EEPROM Size | - |
| RAM Size | 128 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 6V |
| Data Converters | A/D 4x8b SAR |
| Oscillator Type | External, Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-DIP |
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