Microchip ATTINY85-20SU, 8bit AVR Microcontroller, ATtiny85, 20MHz, 8 kB Flash, 8-Pin EIAJ SOIC
- RS Stock No.:
- 1331674
- Mfr. Prt No.:
- ATTINY85-20SU
- Brand:
- Microchip
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 1331674 |
| Product description | Microchip ATTINY85-20SU, 8bit AVR Microcontroller, ATtiny85, 20MHz, 8 kB Flash, 8-Pin EIAJ SOIC |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | ATTINY85-20SU |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 1331674 |
| Product description | Microchip ATTINY85-20SU, 8bit AVR Microcontroller, ATtiny85, 20MHz, 8 kB Flash, 8-Pin EIAJ SOIC |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | ATTINY85-20SU |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Dec 27, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
ATtiny85 8-Bit tinyAVR Microcontrollers
The Atmel ATtiny85 Microcontroller is an 8-bit device based on the AVR enhanced RISC architecture. Being an Atmel tinyAVR device the ATtiny85 is packs performance and power efficiency into a small package, perfect for applications where space is at a premium. By executing powerful instructions in a single clock cycle the ATtiny85 achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and speed.
Microcontroller Features
20 MHz Max. Operating Frequency
8 KB Flash
512 Bytes EEPROM
0.5 KB SRAM
120 Instructions – Most single clock cycle execution
32 General Purpose Registers
6 GPIO
debugWIRE On-chip Debug System
In-System Programmable via SPI Port
External and Internal Interrupt Sources
Low Power Idle, ADC Noise Reduction, and Power-down Modes
Enhanced Power-on Reset Circuit
Programmable Brown-out Detection Circuit
Internal Calibrated Oscillator
Peripheral Features
8-bit Timer/Counter with Prescaler and Two PWM Channels
8-bit High-Speed Timer/Counter with Separate Prescaler
Universal Serial Interface (USI) with Start Condition Detector
10-bit Analogue-to-Digital Converter – 4 Channels
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analogue Comparator
Specifications
| Attribute | Value |
| Brand | Microchip |
| Family Name | ATtiny85 |
| Timer Resolution | 8 bit |
| Height | 1.91 mm |
| PWM Channels | 6 |
| Width | 5.4 mm |
| ADC Resolution | 10 bit |
| Device Core | AVR |
| Program Memory Size | 8 kB |
| Timers | 1 (2 x 8 bit) |
| Minimum Operating Temperature | -40 °C |
| Dimensions | 5.35 x 5.4 x 1.91 mm |
| RAM Size | 512 B |
| Pin Count | 8 |
| Pulse Width Modulation | 1 (6 Channel) |
| Typical Operating Supply Voltage | 2.7 → 5.5 V |
| Instruction Set Architecture | RISC |
| ADCs | 4 x 10 bit |
| Package Type | EIAJ SOIC |
| Maximum Operating Temperature | +85 °C |
| Mounting Type | Surface Mount |
| ADC Channels | 4 |
| Number of ADC Units | 1 |
| USB Channels | 0 |
| Number of PWM Units | 1 |
| Length | 5.35 mm |
| Number of Timers | 1 |
| Program Memory Type | Flash |
| Maximum Frequency | 20 MHz |
| Data Bus Width | 8 bit |