8-bit microcontroller featuring 4KB FLASH memory and 128B RAM. Operates at up to 24MHz with an 8051 core architecture and an 8-bit data bus. Offers 32 I/O pins, 2 timers/counters, and 1 UART channel. Packaged in a 44-TQFP surface mount case, this lead-free component supports a voltage range of 4V to 5.5V and operates from -40°C to 85°C.
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Microchip AT89S51-24AU technical specifications.
| Access Time | 24us |
| Package/Case | TQFP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 24MHz |
| Height | 1.05mm |
| Lead Free | Lead Free |
| Length | 10.1mm |
| Max Frequency | 24MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 4V |
| Mount | Surface Mount |
| Nominal Supply Current | 25mA |
| Number of I/Os | 32 |
| Number of Timers/Counters | 2 |
| Number of UART Channels | 1 |
| RAM Size | 128B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Voltage | 5V |
| Width | 10.1mm |
| RoHS | Compliant |
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