Microchip Technology ATTINY406-SFR Microcontrollers
IC MCU 8BIT 4KB FLASH 20SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY406-SFR
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 20SOIC
Package
20-SOIC (0.295", 7.50mm Width)
Lifecycle Status
Active
Datasheet
ATTINY406-SFR Datasheet
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Technical Specifications
Microchip Technology ATTINY406-SFR Microcontrollers technical specifications.
General
RAM Size
256 x 8
RoHS
Yes
Number of Pins
20
Package / Case
20-SOIC
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
Related Parts Comparison (ATTINY406-SFR vs ATTINY406-MF vs ATTINY406-MNR vs ATTINY406-SF)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 20-SOIC | VQFN-20 | 20-VFQFN Exposed Pad | 20-SOIC |
| Mounting Type | Surface Mount | SMD/SMT | Surface Mount | Surface Mount |
| 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 |
| RAM Size | 256 x 8 | 256 B | 256 x 8 | 256 x 8 |
| Program Memory Size | 4KB (4K x 8) | 4 kB | 4KB (4K x 8) | 4KB (4K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Number of Pins | 20 | -- | 20 | 20 |
| Core Processor | AVR | -- | AVR | AVR |
| Core Size | 8-Bit | -- | 8-Bit | 8-Bit |
| RoHS | Yes | -- | Yes | Yes |
| Lifecycle Status | Active | -- | Active | Active |
| 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
NXP
IC MCU 8BIT 4KB FLASH 20TSSOP
NXP
IC MCU 8BIT 4KB FLASH 8SOIC
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