The ATTINY261A-SU is an 8-bit microcontroller from Lingto Electronic Limited, featuring a high-performance AVR architecture with low power consumption. It operates at a voltage range of 1.8 to 5.5V and can achieve up to 20 MIPS throughput at 20 MHz. The microcontroller includes 2KB of in-system self-programmable Flash memory, 128 bytes of EEPROM, and 128 bytes of SRAM, with endurance ratings of 10,000 and 100,000 write/erase cycles, respectively. It is equipped with a variety of peripherals, including an 8/16-bit timer/counter, a 10-bit ADC with multiple channels, and three high-frequency PWM outputs. The device supports various communication interfaces, including a universal serial interface and has built-in features such as a watchdog timer, power-on reset, and programmable brown-out detection. The ATTINY261A-SU is available in multiple package types, including a 20-pin SOIC, making it suitable for various embedded applications. Its low power consumption, with only 200 µA in active mode and 0.1 µA in power-down mode, enhances its applicability in battery-operated devices.
AVR AVR® ATtiny Microcontroller IC 8-Bit 20MHz 2KB (1K x 16) FLASH 20-SOIC
MCU 8-Bit ATtiny AVR 2KB Flash SOIC20
MCU 8-Bit ATtiny AVR 2KB Flash SOIC20
IC MCU 8BIT 2KB FLASH 20SOIC Product overview: ATTINY261A-SU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 2KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 2KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATTINY261A-SU can be used for catalog matching and distributor lookup.
Manufacturer: Microchip Technology
Win Source Part Number: 089412-ATTINY261A-SU
Packaging: Tube/Rail
Core Processor: AVR
Number of I/O: 16
Program Memory Size: 2KB (1K x 16)
Program Memory Type: FLASH
EEPROM Size: 128 x 8
Data Converters: A/D 11x10b
Family Name: ATtiny261A
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 20-SOIC
Speed(Frequency): 20MHz
Supply Voltage - Operating: 1.8 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 128 x 8
Alternative Parts (Cross-Reference): CY7C63001A-SXC; CY7C63001C-SXC; CY7C63001C-SXCT ; CY7C63001A-SC;
Introduction Date: May 02, 1997
ECCN: EAR99
Country of Origin: China, Taiwan
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 36 pct.
Supply and Demand Status: Balance
MCU, 8BIT, ATTINY, 20MHZ, WSOIC-20; Product Range:AVR ATtiny Family ATtiny261 Series Microcontrollers; CPU Speed:20MHz; Program Memory Size:2KB; RAM Memory Size:128Byte; No. of Pins:20Pins; MCU Case Style:WSOIC; No. of I/O s:16I/O s;RoHS Compliant: Yes
IC MCU 8BIT 2KB FLASH 20SOIC
IC MCU 8BIT 2KB FLASH 20SOIC
AVR AVR® ATtiny Microcontroller IC 8-Bit 20MHz 2KB (1K x 16) FLASH 20-SOIC
IC MCU 8BIT 2KB FLASH 20SOIC
8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins
| DigiKey | RS Components, Ltd. | RS Components, Ltd. | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Newark, An Avnet Company | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | ODG (Origin Data Global) | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | ATTINY261A-SU-ND | 1331620P | 1331620 | 685-ATTINY261A-SU | 089412-ATTINY261A-SU | 15AC6261 | ATTINY261A-SU | ATTINY261A-SU | ATTINY261A-SU | ATTINY261A-SU | ATTINY261A-SU |
| Product Name | Microcontrollers | Microcontrollers | Microcontrollers | 8-bit 8BIT 2KB Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - ATTINY261A-SU | Mcu, 8Bit, Attiny, 20Mhz, Wsoic-20; Product Range Microchip | Embedded - Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers | Microcontrollers | 8-bit Microcontrollers - MCU |
| Data Bus | 8 Bit | 8 Bit; 8bit | 8 Bit; 8bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit | |
| Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | ||||
| Bits | Other; A/D 11x10b | ||||||||||
| RAM | 0.1280 KB | 0.1280 KB | 2 KB | 0.1280 KB | 128 KB | 0.1280 KB | 0.1280 KB | ||||
| ROM | 2 KB | 2 KB | 0.1280 KB | 128 KB |
