8-bit microcontroller featuring an 8051 CISC core, operating at up to 24MHz. This FLASH-based MCU offers 4KB of program memory and 128B of RAM, with an 8-bit address and data bus. Includes 32 I/Os, 2 timers/counters, and 1 UART interface, all within a 44-pin PLCC surface-mount package. Operates from 4V to 5.5V, with an access time of 24µs and a temperature range of -40°C to 85°C.
Frequency24MHz
PackagePLCC
MountingSurface Mount
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Technical Specifications
Microchip AT89S51-24JU technical specifications.
General
| Access Time | 24us |
| Address Bus Width | 8b |
| Package/Case | PLCC |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 24MHz |
| Height | 4.064mm |
| Interface | UART |
| Lead Free | Lead Free |
| Length | 16.66mm |
| Max Frequency | 24MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4V |
| Mount | Surface Mount |
| Number of Bits | 8 |
| Number of I/Os | 32 |
| Number of Timers/Counters | 2 |
| Number of UART Channels | 1 |
| Peripherals | WDT |
| Radiation Hardening | No |
| RAM Size | 128B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Watchdog Timer | Yes |
| Width | 16.662mm |
Compliance
| RoHS | Compliant |
Datasheet
Microchip AT89S51-24JU Datasheet
Download the complete datasheet for Microchip AT89S51-24JU to view detailed technical specifications.
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