ATTINY40-SU
- Mfr.Part #
- ATTINY40-SU
- Manufacturer
- Microchip Technology
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20SOIC
- Stock
- 4,173
- In Stock :
- 4,173
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Clock Freq :
- 12(MHz)
- Number of I/O :
- 18
- Core Architecture :
- AVR
- Supplier Device Package :
- 20-SOIC
- DAC Channels :
- No
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Memory Type :
- Flash
- Operating Supply Voltage (Typ) :
- 2.5/3.3/5(V)
- Reach Compliance Code :
- Compliant
- Product Status :
- Active
- Package :
- Tube
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Number of Programmable I/O :
- 18
- RoHS :
- Details
- RoHS Status :
- ROHS3 Compliant
- Number of I2C Channels :
- 1
- Watchdog Timer :
- yes
- ROM (words) :
- 4096
- Product Category :
- 8-bit Microcontrollers - MCU
- Operating Temperature :
- -40°C~85°C TA
- Number of Pins :
- 20
- Program Memory Type :
- Flash
- Length :
- 13mm
- Operating Temperature (Max) :
- 85C
- Core Processor :
- AVR
- Max Supply Voltage :
- 5.5 V
- Data Converters :
- A/D 12x10b
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Data Converter :
- A/D 12x10b
- Instruction Set Architecture :
- RISC
- Number of I/Os :
- 18 I/O
- Radiation Hardening :
- No
- Base Part Number :
- ATTINY40
- CPU Family :
- AVR RISC
- DMA Channels :
- No
- Qualification Status :
- Not Qualified
- Min Supply Voltage :
- 1.8 V
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Series :
- AVR® ATtiny
- HTS Code :
- 8542.31.00.01
- Number of Terminations :
- 20
- Device Core Size :
- 8(b)
- Data Bus Width :
- 8B
- Height :
- 2.65mm
- JESD-609 Code :
- e3
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Mount :
- Surface Mount
- Packaging :
- Tube
- Terminal Pitch :
- 1.27 mm
- ECCN Code :
- EAR99
- Schedule B :
- 8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000
- Pin Count :
- 20
- REACH SVHC :
- No SVHC
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Operating Supply Voltage (Min) :
- 1.8(V)
- Number of ADC Channels :
- 12
- Power Supplies :
- 2/5 V
- Additional Feature :
- OPERATES AT 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Flash Memory :
- 4
- # I/Os (Max) :
- 18
- Interface :
- I2C, SPI
- Max Frequency :
- 12 MHz
- Number of PWM Channels :
- 2
- Terminal Finish :
- Matte Tin (Sn)
- JESD-30 Code :
- R-PDSO-G20
- Factory Lead Time :
- 4 Weeks
- Seated Height-Max :
- 2.65 mm
- Connectivity :
- I2C, SPI
- Rad Hardened :
- No
- Mounting Style :
- SMD/SMT
- EEPROM Size :
- --
- Core Size :
- 8-Bit
- Oscillator Type :
- Internal
- On Chip Program ROM Width :
- 16
- Tradename :
- AVR
- Supply Voltage :
- 5V
- Speed :
- 12MHz
- Terminal Position :
- Dual
- Supply Voltage-Max (Vsup) :
- 5.5V
- Total Internal Ram Size :
- 256B(kB)
- Operating Temperature (Min) :
- -40C
- Frequency :
- 12MHz
- PWM Channels :
- yes
- Minimum Operating Temperature :
- - 40 C
- Number of Timers/Counters :
- 2 Timer
- Interface Type :
- SPI/TWI
- Surface Mount :
- yes
- Programmable :
- yes
- Min Operating Temperature :
- -40 °C
- Operating Temp Range :
- -40C to 85C
- Supply Current-Max :
- 5 mA
- Brand :
- Microchip Technology
- Clock Speed :
- 12
- Number of I/O Lines :
- 18
- Adc Channels :
- 12
- Interfaces :
- SPI/TWI
- Published :
- 1997
- Number of Timers - General Purpose :
- 2
- Package Type :
- SOIC W
- Device Core :
- AVR
- Base Product Number :
- ATTINY40
- Memory Size :
- 4kB
- Operating Supply Voltage (Max) :
- 5.5(V)
- Number of Terminals :
- 20
- ROM Programmability :
- Flash
- Product Type :
- 8-bit Microcontrollers - MCU
- Terminal Form :
- Gull wing
- Max Operating Temperature :
- 85 °C
- Package Shape :
- RECTANGULAR
- Has ADC :
- yes
- Width :
- 7.6mm
- Manufacturer :
- Microchip
- Number of SPI Channels :
- 1
- Adc Resolution :
- 10
- Bit Size :
- 8
- Product :
- MCU
- RAM Size :
- 256 x 8
- Peak Reflow Temperature (Cel) :
- 250
- Temperature Grade :
- Industrial
- Mounting Type :
- Surface Mount
- Pbfree Code :
- yes
- Mounting :
- Surface Mount
- Can :
- 0
- Program Memory Size :
- 4KB 2K x 16
- Operating Temperature Classification :
- Industrial
- Maximum Operating Temperature :
- + 85 C
- Operating Supply Voltage :
- 3.3V
- RAM (bytes) :
- 256
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Datasheets
- ATTINY40-SU
ATTINY40-SU Documents

Microcontrollers Microchip Technology ATTINY40-SU Overview
The Microcontrollers Microchip Technology ATTINY40-SU is a high-performance, low-power AVR® microcontroller that offers seamless integration capabilities for various applications. This device, crafted by Microchip Technology, features 4KB of in-system programmable flash memory, providing sufficient space for small to medium complexity applications. With its 20-SOIC package, it is ideal for space-constrained applications requiring a small footprint and minimal external components. This microcontroller is perfect for developers looking for a robust platform to build sophisticated systems in an efficient and cost-effective manner.
ATTINY40-SU Features
The ATTINY40-SU comes packed with features that enhance its utility and flexibility in various applications. It operates at a voltage range of 1.8V to 5.5V, making it suitable for battery-operated and portable devices. Key features include an 8-bit processor, a 10-bit ADC, multiple communication interfaces, and extensive interrupt capability. Its power-saving modes and fast wake-up response are especially beneficial for devices requiring high efficiency and minimal power consumption.
ATTINY40-SU Applications
- Smart Home Devices: The ATTINY40-SU can be utilized to control various home automation devices such as smart thermostats and lighting systems, offering reliable operation with its robust processing capabilities and multiple I/O options.
- Consumer Electronics: In consumer electronics such as handheld gadgets, the ATTINY40-SU's compact size and power efficiency make it an ideal choice for managing device operations and user interface controls.
- Wearable Technology: This microcontroller is perfect for wearable devices, supporting sensors and connectivity with minimal power consumption, thus extending the battery life of wearable fitness trackers and smartwatches.
- Automotive Applications: Suitable for use in automotive ancillaries like sensor controllers and entertainment system controls, the ATTINY40-SU ensures reliable operation under various environmental conditions.
- Industrial Automation: It supports the automation of small-scale industrial equipment, facilitating advanced control in systems requiring robust operation with an array of sensors and actuators.
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