2 layers54.4 × 26 mm
USBtiny ISP Programmer ATtiny44
abdontroche/FabISP-USBtinyISP-ATtiny44
This is a version of the Fab-ISP programmer that is used in the Fab Academy course around the world
16 parts6MIT
ATTINY44-20SSU
Microchip TechnologyExtended
SOIC-14 Microcontrollers (MCU/MPU/SOC) ROHS
- Part id
- microchip/ATTINY44-20SSU
- Category
- Microcontrollers (MCU, MPU, SOC)
- Package
- SOIC-14
- Pins
- 14
- In stock
- 0 at JLCPCB (C1338321)
- Used on
- 3 open-source boards
Overview
The ATTINY44-20SSU is a microcontroller made by Microchip Technology in a SOIC-14 package with 14 pins. SOIC-14 Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_Microchip_ATtiny:ATtiny44-20SS, from KiCad's library) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1338321). 3 open-source boards in 3 repositories on GitHub use it.
Symbol
Footprint
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | VCC | Power in |
| 2 | XTAL1/PB0 | Input/output |
| 3 | XTAL2/PB1 | Input/output |
| 4 | RESET/PB3 | Input/output |
| 5 | PB2 | Input/output |
| 6 | PA7 | Input/output |
| 7 | PA6 | Input/output |
| 8 | PA5 | Input/output |
| 9 | PA4 | Input/output |
| 10 | PA3 | Input/output |
| 11 | PA2 | Input/output |
| 12 | PA1 | Input/output |
| 13 | AREF/PA0 | Input/output |
| 14 | GND | Power in |
Open-source boards using it
3- 2 layers35.6 × 17.8 mm
AutoFlyer
mribble/ElectricEelWheel5
The Electric Eel Wheel 5 is an electric spinning wheel that converts fiber (an example being sheep's wool) into yarn. This site contains the open source files for this project.
18 parts14 - 2 layers86.4 × 86.4 mm
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Questions
Is there a KiCad symbol and footprint for the ATTINY44-20SSU?
Yes. The symbol is MCU_Microchip_ATtiny:ATtiny44-20SS and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ATTINY44-20SSU?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the ATTINY44-20SSU datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the ATTINY44-20SSU?
JLCPCB lists it as part C1338321, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ATTINY44-20SSU?
Parts like it in the library: the PY32F002BD15S6TU by PUYA, the PIC16F1503-I/SL by Microchip Technology, the PIC16F1824-I/SL by Microchip Technology and the PIC16F676-I/SL by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the ATTINY44-20SSU?
3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.