Microchip Technology AT89LP6440-20MU Microcontrollers
IC MCU 8BIT 64KB FLASH 44VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89LP6440-20MU
Base Model
Detailed Description
IC MCU 8BIT 64KB FLASH 44VQFN
Package
44-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
AT89LP6440-20MU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT89LP6440-20MU Microcontrollers technical specifications.
General
RAM Size
4.25K x 8
Package / Case
44-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 3.6V
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
38
Speed
20MHz
EEPROM Size
8K x 8
Core Processor
8051
Alternate Parts Comparison (AT89LP6440-20MU vs AT89LP51ED2-20AU vs AT89LP52-20AU vs AT89LP51-20AU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 44-VFQFN Exposed Pad | 44-TQFP | 44-TQFP | 44-TQFP |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.4V ~ 3.6V | 2.4V ~ 5.5V | 2.4V ~ 5.5V | 2.4V ~ 5.5V |
| Core Processor | 8051 | 8051 | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 4.25K x 8 | 2.25K x 8 | 256 x 8 | 256 x 8 |
| Connectivity | I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Program Memory Size | 64KB (64K x 8) | 64KB (64K x 8) | 8KB (8K x 8) | 4KB (4K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Speed | 20MHz | 20MHz | 20MHz | 20MHz |
| Action |
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