The DS87C520-ECL is a 16KB 8051 microcontroller with an 8-bit data bus and support for UART, USART, and EBI/EMI interfaces. It operates at a maximum frequency of 33MHz and has a maximum supply voltage of 5.5V. The device is packaged in a TQFP-44 package and is suitable for surface mount applications. It has 32 I/Os and 1KB of RAM, and features a watchdog timer. The DS87C520-ECL has a maximum operating temperature of 70°C and a minimum operating temperature of 0°C.
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Maxim DS87C520-ECL technical specifications.
| Access Time | 33us |
| Package/Case | TQFP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | UART, USART, EBI/EMI |
| Lead Free | Contains Lead |
| Max Frequency | 33MHz |
| Max Operating Temperature | 70°C |
| Memory Size | 16KB |
| Memory Type | EPROM, , OTP |
| Min Operating Temperature | 0°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Oscillator Type | External |
| Package Quantity | 160 |
| Packaging | Tray |
| Peripherals | WDT |
| RAM Size | 1KB |
| RoHS Compliant | No |
| Series | 87C |
| RoHS | Not Compliant |
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