Microchip Technology ATTINY861-20PU Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 8KB FLASH 20DIP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY861-20PU
Detailed Description
IC MCU 8BIT 8KB FLASH 20DIP
Package
20-DIP (0.300", 7.62mm)
Key Features
Package / Case: 20-DIP (0.300", 7.62mm); Mounting Type: Through Hole
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATTINY861-20PU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATTINY861-20PU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
ATtinyx61
RAM Size
512 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
RoHS
True
Package / Case
20-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Alternate Parts Comparison (ATTINY861-20PU vs ATTINY2313-20PU vs ATTINY26L-8PI vs AT89C2051-12PI)
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-DIP | 20-DIP | 20-DIP | 20-DIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 4V ~ 6V |
| Core Processor | AVR | AVR | AVR | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 512 x 8 | 128 x 8 | 128 x 8 | 128 x 8 |
| Connectivity | USI | SPI, UART/USART | USI | UART/USART |
| Number of I/O | 16 | 18 | 16 | 15 |
| 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 | LED |
| Program Memory Size | 8KB (4K x 16) | 2KB (1K x 16) | 2KB (1K x 16) | 2KB (2K 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
MC9S08SE8CTGNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 16TSSOP
MC9S08PB8MTJNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 20TSSOP
MC9S08PB8MTGNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 16TSSOP
MC9S08PB8VTJNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 20TSSOP
MC9S08PL8CTJNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 20TSSOP
MC9S08PL8SCTJNXP SemiconductorsNXP
IC MCU 8BIT 8KB FLASH 20TSSOP
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.
