Microchip Technology ATTINY406-MFR Microcontrollers
IC MCU 8BIT 4KB FLASH 20VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY406-MFR
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 20VQFN
Package
20-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATTINY406-MFR Microcontrollers technical specifications.
General
RAM Size
256 x 8
RoHS
Yes
Number of Pins
20
Package / Case
20-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, WDT
Number of I/O
18
Alternate Parts Comparison (ATTINY406-MFR vs ATTINY406-MF vs ATTINY406-MNR vs ATTINY406-SF)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-VFQFN Exposed Pad | VQFN-20 | 20-VFQFN Exposed Pad | 20-SOIC |
| Operating Temperature | -40°C ~ 125°C (TA) | - 40 ~ + 125°C | -40°C ~ 105°C (TA) | -40°C ~ 125°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7 | 1.8V ~ 5.5V | 2.7V ~ 5.5V |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Mounting Type | Surface Mount | SMD/SMT | Surface Mount | Surface Mount |
| Core Processor | AVR | -- | AVR | AVR |
| Core Size | 8-Bit | -- | 8-Bit | 8-Bit |
| RAM Size | 256 x 8 | 256 B | 256 x 8 | 256 x 8 |
| Connectivity | I²C, SPI, UART/USART | -- | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Data Converters | A/D 12x10b | -- | A/D 12x10b | A/D 12x10b |
| EEPROM Size | 128 x 8 | -- | 128 x 8 | 128 x 8 |
| Number of I/O | 18 | -- | 18 | 18 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
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