Skip to main content

Microchip Technology ATTINY861A-SUR Microcontroller, Microprocessor, FPGA Modules

IC MCU 8BIT 8KB FLASH 20SOIC

53,715 ActiveMicrochip Technology20-SOIC (0.295", 7.50mm Width)$3.86RoHS
ATTINY861A-SUR 20-SOIC (0.295", 7.50mm Width) package illustration

Same model may have multiple batches, images only for reference.

ATTINY861A-SUR
Part Number (MPN)
ATTINY861A-SUR
Detailed Description
IC MCU 8BIT 8KB FLASH 20SOIC
Package
20-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 20-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF ATTINY861A-SUR Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Technical Specifications

Microchip Technology ATTINY861A-SUR Microcontroller, Microprocessor, FPGA Modules technical specifications.

General

RAM Size
512 x 8
RoHS
Yes
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O
16
Speed
20MHz

Related Parts Comparison (ATTINY861A-SUR vs ATTINY26L-8SC vs ATTINY1634R-SU vs ATTINY261A-SU)

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 PartRelated PartRelated PartRelated Part
Package / Case20-SOIC20-SOIC20-SOIC20-SOIC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)0°C ~ 70°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.8V ~ 5.5V2.7V ~ 5.5V1.8V ~ 5.5V1.8V ~ 5.5V
Core ProcessorAVRAVRAVRAVR
Core Size8-Bit8-Bit8-Bit8-Bit
RAM Size512 x 8128 x 81K x 8128 x 8
RoHSYesYesYesYes
Lifecycle StatusActiveObsoleteActiveActive
ConnectivityUSIUSII²C, SPI, UART/USART, USIUSI
Data ConvertersA/D 11x10bA/D 11x10bA/D 12x10bA/D 11x10b
EEPROM Size512 x 8128 x 8256 x 8128 x 8
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

More Parts in Microcontrollers

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.