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Manufacturer
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| Mfr | Microchip Technology |
|---|---|
| Series | 89S |
| Packaging | Tray |
| Part Status | Obsolete |
| DigiKey Programmable | Not Verified |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Peripherals | WDT |
| Number of I/O | 32 |
| Program Memory Size | 12KB (12K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 256 x 8 |
| Voltage – Supply (Vcc/Vdd) | 4V ~ 6V |
| Oscillator Type | Internal |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-TQFP (10×10) |
| Package / Case | 44-TQFP |
| Base Product Number | AT89S53 |
| Connectivity | SPI, UART/USART |
