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    | Type | Description | 
|---|---|
| rohs: | RoHS | 
| speed: | 18MHz | 
| ram size: | 256 x 8 | 
| core size: | 8-Bit | 
| eeprom size: | - | 
| part status: | Obsolete | 
| peripherals: | Brown-out Detect/Reset, POR, PWM, WDT | 
| connectivity: | I2C, SPI, UART/USART | 
| mounting type: | Surface Mount | 
| number of i/o: | 18 | 
| core processor: | 8051 | 
| package / case: | 20-TSSOP (0.173", 4.40mm Width) | 
| data converters: | - | 
| oscillator type: | Internal | 
| program memory size: | 2KB (2K x 8) | 
| program memory type: | FLASH | 
| operating temperature: | -40°C ~ 85°C (TA) | 
| supplier device package: | 20-TSSOP | 
| voltage - supply (vcc/vdd): | 2.4V ~ 5.5V |