| Type | Description |
| Part Status | Obsolete |
|---|---|
| Core Processor | 8051 |
| 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 | - |
| Oscillator Type | Internal |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 20-SOIC (0.295", 7.50mm Width) |
| RoHS Status | RoHS Compliant |
|---|---|
| Moisture Sensitivity Level (MSL) | Not Applicable |
| Lifecycle Status | Obsolete / End of life |
| Stock Category | Available stock |
