The DS89C450-MNL is a 64KB FLASH microcontroller based on the 8051 core, operating at a maximum frequency of 33MHz. It features 32 I/Os and a peripheral watchdog timer. The device is packaged in a PDIP-40 package and has a maximum operating temperature of 85°C. The microcontroller is not RoHS compliant and contains lead.
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Maxim DS89C450-MNL technical specifications.
| Access Time | 33us |
| Package/Case | PDIP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | UART, USART, EBI/EMI |
| Lead Free | Contains Lead |
| Max Frequency | 33MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4.5V |
| Number of I/Os | 32 |
| Number of Programmable I/O | 4 |
| Number of Timers/Counters | 3 |
| Oscillator Type | External |
| Packaging | Rail/Tube |
| Peripherals | WDT |
| Radiation Hardening | No |
| RAM Size | 1KB |
| RoHS Compliant | No |
| Series | 89C |
| RoHS | Not CompliantNo |
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