8-bit microcontroller featuring 20KB FLASH memory and 256B RAM. Operates at up to 24MHz with an 8-bit address and data bus. Includes UART and USART interfaces, 3 timers/counters, and a watchdog timer. Packaged in a 44-pin PLCC for surface mounting, with 32 programmable I/Os. Supports a supply voltage range of 4V to 5.5V and operates from -40°C to 85°C.
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| Access Time | 24us |
| Address Bus Width | 8b |
| Package/Case | PLCC |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 24MHz |
| Height | 4.064mm |
| Interface | UART, USART |
| Lead Free | Lead Free |
| Length | 16.66mm |
| Max Frequency | 24MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 20KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 4V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Packaging | Rail/Tube |
| Peripherals | WDT |
| Radiation Hardening | No |
| RAM Size | 256B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | 89C |
| Watchdog Timer | Yes |
| Width | 16.662mm |
| RoHS | Compliant |
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