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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersATTINY40-MMHR
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ATTINY40-MMHR - Microchip Technology

Manufacturer Part Number
ATTINY40-MMHR
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATTINY40-MMHR
ECAD Model
Parts Description
IC MCU 8BIT 4KB FLASH 20VQFN
Detailed Description
Package
20-VFQFN Exposed Pad
Data sheet
ATTINY40 Summary.pdf
ATTINY40 Datasheet.pdf
RoHs Status
ROHS3 Compliant
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In stock: 34260

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Specifications

ATTINY40-MMHR Tech Specifications
Microchip Technology - ATTINY40-MMHR technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATTINY40-MMHR

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V  
Supplier Device Package 20-VQFN (3x3)  
Speed 12MHz  
Series AVR® ATtiny  
RAM Size 256 x 8  
Program Memory Type FLASH  
Program Memory Size 4KB (2K x 16)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 20-VFQFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 18  
Mounting Type Surface Mount  
EEPROM Size -  
Data Converters A/D 12x10b  
Core Size 8-Bit  
Core Processor AVR  
Connectivity I²C, SPI  
Base Product Number ATTINY40  

Parts Introduction

Manufacturer Part Number

ATTINY40-MMHR

Manufacturer

Microchip Technology

Introduction

Embedded microcontroller from Microchip's AVR ATtiny series

Product Features and Performance

8-bit AVR microcontroller

4KB FLASH program memory

256B RAM

12-channel 10-bit ADC

Multiple communication interfaces (SPI)

Internal oscillator

Brown-out detection and reset

Power-on reset

Watchdog timer

Product Advantages

Low power consumption

Compact 20-pin VQFN package

Wide operating temperature range (-40°C to 85°C)

RoHS3 compliant

Key Technical Parameters

Operating voltage: 1.8V to 5.5V

Maximum operating frequency: 12MHz

18 programmable I/O pins

Quality and Safety Features

RoHS3 compliant

Brown-out detection and reset

Power-on reset

Compatibility

Compatible with other AVR ATtiny series microcontrollers

Application Areas

Embedded systems

IoT devices

Wearables

Sensor applications

Home automation

Industrial control

Product Lifecycle

Active product, no discontinuation or end-of-life announced

Key Reasons to Choose This Product

Compact and power-efficient 8-bit AVR microcontroller

Flexible peripheral set including ADC, SPI, and timers

Wide operating voltage and temperature range

RoHS3 compliance for environmentally-friendly design

Compatibility with other AVR ATtiny series devices

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATTINY40-MMHR

Product Attribute ATTINY40-MMHR ATTINY3217-MNR ATTINY3217-MN ATTINY40-MMH
Part Number ATTINY40-MMHR ATTINY3217-MNR ATTINY3217-MN ATTINY40-MMH
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Connectivity I²C, SPI I²C, IrDA, LINbus, SPI, UART/USART I²C, IrDA, LINbus, SPI, UART/USART I²C, SPI
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 105°C (TA) -40°C ~ 105°C (TA) -40°C ~ 85°C (TA)
RAM Size 256 x 8 2K x 8 2K x 8 256 x 8
Number of I/O 18 22 22 18
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
EEPROM Size - 256 x 8 256 x 8 -
Package Tape & Reel (TR) Tape & Reel (TR) Tray Tray
Oscillator Type Internal Internal Internal Internal
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V
Package / Case 20-VFQFN Exposed Pad 24-VFQFN Exposed Pad 24-VFQFN Exposed Pad 20-VFQFN Exposed Pad
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Base Product Number ATTINY40 ATTINY3217 ATTINY3217 ATTINY40
Core Processor AVR AVR AVR AVR
Program Memory Size 4KB (2K x 16) 32KB (32K x 8) 32KB (32K x 8) 4KB (2K x 16)
Series AVR® ATtiny tinyAVR™ 1, Functional Safety (FuSa) tinyAVR™ 1, Functional Safety (FuSa) AVR® ATtiny
Program Memory Type FLASH FLASH FLASH FLASH
Peripherals Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT
Supplier Device Package 20-VQFN (3x3) 24-VQFN (4x4) 24-VQFN (4x4) 20-VQFN (3x3)
Speed 12MHz 20MHz 20MHz 12MHz
Data Converters A/D 12x10b A/D 24x10b; D/A 3x8b A/D 24x10b; D/A 3x8b A/D 12x10b

ATTINY40-MMHR Datasheet PDF

Download ATTINY40-MMHR pdf datasheets and Microchip Technology documentation for ATTINY40-MMHR - Microchip Technology.

PCN Packaging
MBB/Label Chgs 16/Nov/2018.pdf Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf
PCN Design/Specification
Cylindrical Battery Holders.pdf
PCN Other
2.73KHz.pdf
HTML Datasheet
ATTINY40 Summary.pdf ATTINY40 Datasheet.pdf
PCN Assembly/Origin
Assembly Site 15/Feb/2021.pdf Cancellation 02/Feb/2022.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ATTINY40-MMHR Image

ATTINY40-MMHR

Microchip Technology
32D-ATTINY40-MMHR

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