8-bit microcontroller featuring a 4KB FLASH memory and 128B RAM. Operates at up to 16MHz with an 8051 core architecture and 8-bit data bus width. Includes UART/USART interfaces, 32 programmable I/Os, and two timers/counters. Supports surface mount installation in a PLCC package, with an operating supply voltage range of 2.7V to 4V.
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Microchip AT89LS51-16JU technical specifications.
| Package/Case | PLCC |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 16MHz |
| Interface | UART, USART |
| Max Frequency | 16MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 4V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 2 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 27 |
| Packaging | Rail/Tube |
| Peripherals | WDT |
| Radiation Hardening | No |
| RAM Size | 128B |
| RoHS Compliant | Yes |
| Series | 89LS |
| RoHS | Compliant |
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