8051 microcontroller featuring 4KB FLASH memory and 128B RAM. Operates at up to 24MHz with an 8-bit data bus. Includes UART/USART interfaces, 32 programmable I/Os, and 2 timers/counters. Surface mountable in a 44-pin PLCC package, with an operating temperature range of 0°C to 70°C.
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| Access Time | 24us |
| Package/Case | PLCC |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 24MHz |
| Interface | UART, USART |
| Lead Free | Contains Lead |
| Max Frequency | 33MHz |
| Max Operating Temperature | 70°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | 0°C |
| Min Supply Voltage | 4V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 2 |
| Oscillator Type | Internal |
| Package Quantity | 27 |
| Packaging | Rail/Tube |
| Peripherals | WDT |
| RAM Size | 128B |
| RoHS Compliant | No |
| Series | 89S |
| RoHS | Not Compliant |
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