The AT87C54X2-RLTUM is an 80C51 microcontroller with 16KB of OTP memory and an 8-bit data bus. It operates at a maximum frequency of 60MHz and has a maximum supply voltage of 5.5V. The device is packaged in a lead-free LQFP package and is RoHS compliant. It features a surface mount package and operates over a temperature range of -40°C to 85°C. The microcontroller has 32 programmable I/Os, 3 timers/counters, and includes peripherals such as a power-on reset and a watchdog timer.
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| Access Time | 40us |
| Package/Case | LQFP |
| Core Architecture | 80C51 |
| Data Bus Width | 8b |
| Frequency | 40MHz |
| Interface | UART, USART |
| Lead Free | Lead Free |
| Max Frequency | 60MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 16KB |
| Memory Type | OTP, , EPROM |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 800 |
| Packaging | Tray |
| Peripherals | POR, WDT |
| RAM Size | 256B |
| RoHS Compliant | Yes |
| Series | 87C |
| RoHS | Compliant |
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