ATTINY84A-MMHR
- Mfr.Part #
- ATTINY84A-MMHR
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 20-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 20VQFN
- Stock
- 9,293
- In Stock :
- 9,293
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Supply Voltage-Max (Vsup) :
- 5.5V
- Core Architecture :
- AVR
- Seated Height-Max :
- 0.85 mm
- Number of Terminals :
- 20
- Product Category :
- 8-bit Microcontrollers - MCU
- Peak Reflow Temperature (Cel) :
- 260
- Power Supplies :
- 2/5 V
- Data Converter :
- A/D 8x10b
- Interface Type :
- SPI, USI
- Tradename :
- AVR
- Data Bus Width :
- 8B
- Oscillator Type :
- Internal
- Program Memory Type :
- Flash
- External Data Bus Width :
- 8
- DMA Channels :
- No
- Has ADC :
- yes
- Watchdog Timer :
- yes
- Product Type :
- 8-bit Microcontrollers - MCU
- Supply Current-Max :
- 7 mA
- Packaging :
- Tape and Reel (TR)
- Interface :
- SPI
- Supply Voltage-Min (Vsup) :
- 4.5V
- Package Shape :
- Square
- Supplier Device Package :
- 20-VQFN (3x3)
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Mount :
- Surface Mount
- Qualification Status :
- Not Qualified
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Mounting Type :
- Surface Mount
- Product :
- MCU
- Max Frequency :
- 20 MHz
- Height :
- 0.85 mm
- RoHS Status :
- ROHS3 Compliant
- Data Converters :
- A/D 8x10b
- RoHS :
- Compliant
- ROM (words) :
- 8192
- Pbfree Code :
- yes
- Frequency :
- 20MHz
- Number of I/O :
- 12
- Terminal Pitch :
- 0.45mm
- Terminal Finish :
- NICKEL PALLADIUM GOLD
- Series :
- AVR® ATtiny
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Width :
- 3 mm
- Min Operating Temperature :
- -40 °C
- Operating Temperature :
- -40°C~85°C TA
- PWM Channels :
- yes
- DAC Channels :
- No
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Product Status :
- Active
- Memory Size :
- 8kB
- Package / Case :
- 20-VFQFN Exposed Pad
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Terminal Position :
- QUAD
- Additional Feature :
- ALSO OPERATES 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Max Operating Temperature :
- 85 °C
- Number of Programmable I/O :
- 12
- Terminal Form :
- NO LEAD
- Program Memory Size :
- 8KB 4K x 16
- Min Supply Voltage :
- 1.8 V
- Maximum Operating Temperature :
- + 85 C
- Bit Size :
- 8
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Reach Compliance Code :
- Compliant
- Temperature Grade :
- Industrial
- Base Part Number :
- ATTINY84A
- Memory Type :
- Flash
- Base Product Number :
- ATTINY84
- Max Supply Voltage :
- 5.5 V
- Factory Lead Time :
- 7 Weeks
- Published :
- 1997
- Speed :
- 20MHz
- Core Size :
- 8-Bit
- JESD-609 Code :
- e4
- ROM Programmability :
- Flash
- Number of I/O Lines :
- 12
- Device Core :
- AVR
- Length :
- 3mm
- Minimum Operating Temperature :
- - 40 C
- Connectivity :
- USI
- Manufacturer :
- Microchip
- Mounting Style :
- SMD/SMT
- Schedule B :
- 8542310000
- Brand :
- Microchip Technology / Atmel
- JESD-30 Code :
- S-PQCC-N20
- RAM (bytes) :
- 512
- Number of I/Os :
- 12
- EEPROM Size :
- 512 x 8
- Number of Timers/Counters :
- 2
- Surface Mount :
- yes
- Number of Pins :
- 20
- Supply Voltage :
- 5V
- Height Seated (Max) :
- 0.85mm
- CPU Family :
- AVR RISC
- Core Processor :
- AVR
- RAM Size :
- 512 x 8
- Number of Terminations :
- 20
- Interfaces :
- I2C/SPI
- Contact Plating :
- Gold
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Datasheets
- ATTINY84A-MMHR

Microcontrollers Atmel (Microchip Technology) ATTINY84A-MMHR Overview
The ATTINY84A-MMHR from Atmel (Microchip Technology) is a robust microcontroller designed to cater to the demanding needs of sophisticated electronic circuits. This 8-bit MCU is built on advanced technology, offering 8KB of flash memory within a compact 20-VQFN package. The integration of high-performance features in a small form factor makes the ATTINY84A-MMHR an ideal choice for developers looking for scalable solutions in embedded systems. Its versatility and power efficiency make it particularly suited for applications requiring size constraint and minimal power consumption, setting a benchmark in the industry for similar microcontroller units.
ATTINY84A-MMHR Features
The ATTINY84A-MMHR microcontroller boasts a wide array of features, including an 8-bit AVR processor, 8KB ISP flash memory, 512-Bytes EEPROM, and 512-Bytes SRAM. It operates between 1.8V to 5.5V, offering flexibility in various power conditions, and supports a maximum frequency of 20MHz, providing sufficient processing power for a multitude of tasks. Enhanced features such as an 8-channel 10-bit A/D converter, 12 programmable I/O lines, and various programmable watchdog timers enhance its utility and reliability in complex electronic environments.
ATTINY84A-MMHR Applications
- Smart Home Devices: Utilized in controlling lighting systems, HVAC units, and security devices, leveraging its low power consumption and robust I/O capabilities to facilitate smart, efficient home automation.
- Wearable Technology: Perfect for integration into fitness trackers and smartwatches, where its compact size and efficiency are critical for the long battery life and functionality of these devices.
- Industrial Control Systems: Applied in sensors and control systems for real-time monitoring and operation in industrial environments, taking advantage of its high reliability and expanded temperature range.
- Hobbyist Robotics: Employs its versatile I/O options and PWM outputs to control motors and sensors in DIY robotic projects, making it a favorite among hobbyists and educational users.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















