8-bit microcontroller (MCU) with 64KB FLASH memory and 4.25KB RAM. Features an 8051 core architecture operating at up to 20MHz. Offers I2C, SPI, UART, USART, and 2-Wire interfaces, with 38 programmable I/Os. Includes 3 timers/counters, internal oscillator, and peripherals like Brown-out Detect/Reset, POR, PWM, and WDT. Packaged in a 44-pin VQFN with tin-matte contact plating, suitable for surface mounting. Operates from 2.4V to 3.6V supply voltage, with an operating temperature range of -40°C to 85°C.
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Microchip AT89LP6440-20MU technical specifications.
| Package/Case | VQFN |
| Contact Plating | Tin, Matte |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Interface | I2C, SPI, UART, USART, 2-Wire |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 2.4V |
| Mount | Surface Mount |
| Number of I/Os | 38 |
| Number of Programmable I/O | 38 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 360 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RAM Size | 4.25KB |
| RoHS Compliant | Yes |
| Series | 89LP |
| RoHS | Compliant |
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