8-bit microcontroller featuring an 8051 core architecture operating at up to 33MHz. This FLASH memory microcontroller offers 64KB of program memory and 1KB of RAM, with 32 general-purpose I/Os and 4 programmable I/Os. Integrated peripherals include UART, USART, EBI/EMI, and a WDT, supported by 3 timers/counters and an external oscillator. Designed for surface mounting in a PQCC44 package, it operates within a supply voltage range of 4.5V to 5.5V and across an industrial temperature range of -40°C to 85°C.
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Maxim DS89C450-QNL technical specifications.
| Access Time | 33us |
| Package/Case | PLCC |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | UART, USART, EBI/EMI |
| Lead Free | Contains Lead |
| Max Frequency | 33MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| 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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