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ATTINY441-MU on a board, in 3D

ATTINY441-MU

Microchip Technology

1.7V~5.5V 10bit 12 16MHz 4KB AVR FLASH QFN-20-EP(4x4) Microcontrollers (MCU/MPU/SOC) ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/ATTINY441-MU
Category
Microcontrollers (MCU, MPU, SOC)
Package
QFN-20-EP(4x4)
Pins
21

Overview

The ATTINY441-MU is a microcontroller made by Microchip Technology in a QFN-20-EP(4x4) package with 21 pins. 1.7V~5.5V 10bit 12 16MHz 4KB AVR FLASH QFN-20-EP(4x4) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (MCU_Microchip_ATtiny:ATtiny441-M, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.6x2.6mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1340444). 1 open-source board in 1 repository on GitHub use it.

Symbol

PA41PA32PA23PA14AREF/PA05GND8VCC9XTAL1/PB011XTAL2/PB112RESET/PB313PB214PA715PA616PA520
MCU_Microchip_ATtiny:ATtiny441-MFrom KiCad's library

Footprint

21
Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.6x2.6mmFrom KiCad's library

Parameters

13
ADC (Bit)
10bit
CPU Core
AVR
CPU Maximum Speed
16MHz
Core Size
8 Bit
EEPROM
256Byte
Features
Power-on reset (POR), Undervoltage detection (BOR/LVD/LVR/LVI), Watchdog reset, External pin reset (NRST), Built-in general-purpose timer, Programmable watchdog
Number of I/O
12
Operating Temperature
-40℃~+85℃
Oscillator Type
Built-in
Program Memory Type
FLASH
Program Storage Size
4KB
RAM Size
256Byte
Voltage - Supply
1.7V~5.5V

Order codes

4

Pinout

21
The pins of the ATTINY441-MU
PinNameType
1PA4Input/output
2PA3Input/output
3PA2Input/output
4PA1Input/output
5AREF/PA0Input/output
6NCNot connected
7NCNot connected
8GNDPower in
9VCCPower in
10NCNot connected
11XTAL1/PB0Input/output
12XTAL2/PB1Input/output
13RESET/PB3Input/output
14PB2Input/output
15PA7Input/output
16PA6Input/output
17NCNot connected
18NCNot connected
19NCNot connected
20PA5Input/output
21GNDPassive

Open-source boards using it

All 1
  • 2 layers50.6 × 52.2 mmRight, the printed circuit board in 3D

    Right

    Scaniox/headphones

    38 parts

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Questions

Is there a KiCad symbol and footprint for the ATTINY441-MU?

Yes. The symbol is MCU_Microchip_ATtiny:ATtiny441-M and the footprint Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.6x2.6mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ATTINY441-MU?

QFN-20-EP(4x4), with 21 pins. Its footprint is drawn on this page.

Where is the ATTINY441-MU datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the ATTINY441-MU?

JLCPCB lists it as part C1340444, with 0 in stock; the sellers' links on this page open their listings.

What can replace the ATTINY441-MU?

Parts like it in the library: the ATTINY44A-MU by Microchip Technology, the ATTINY841-MU by Microchip Technology, the ATTINY84A-MU by Microchip Technology and the ATTINY24A-MF by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ATTINY441-MU?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8