2 layers100 × 150 mm
I2c moist sensor pannel
Miceuz/i2c-moisture-sensor
I2C based soil moisture sensor
140 parts258Apache-2.0
ATTINY441-SSU
Microchip Technology
-40℃~+85℃ 1.7V~5.5V 10bit 12 16MHz 256Byte 256Byte 4KB 8 Bit AVR Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Built-in general-purpose timer、Programmable watchdog SOIC-14 Microcontrollers (MCU/MPU/SOC) ROHS
Extended
- Category
- Microcontrollers (MCU, MPU, SOC)
- Package
- SOIC-14
- Pins
- 14
Overview
The ATTINY441-SSU is a microcontroller made by Microchip Technology in a SOIC-14 package with 14 pins. -40℃~+85℃ 1.7V~5.5V 10bit 12 16MHz 256Byte 256Byte 4KB 8 Bit AVR Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Built-in general-purpose timer、Programmable watchdog SOIC-14 Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_Microchip_ATtiny:ATtiny441-SS, 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 C145746). 11 open-source boards in 10 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
9- Supply, least
- 1.7 V · VCC, recommended operating, min · p. 353
- Supply, most
- 5.5 V · VCC, recommended operating, max · p. 353
- Supply, absolute maximum
- 6 V · VCC, absolute maximum · p. 236
- Works from
- -40 °C · Industrial operating ambient, min · p. 353
- Works up to
- 85 °C · Industrial operating ambient, max · p. 353
- A pin gives at most
- 40 mA · Per I/O pin, absolute maximum · p. 236
- Takes working
- 4.2 mA · Active 8 MHz, VCC = 5V, peripherals disabled, no I/O drive, typical · p. 237
- Takes at most
- 6 mA · Active 8 MHz, VCC = 5V, peripherals disabled, no I/O drive, max · p. 237
- Takes asleep
- 170 nA · Power-down, WDT and BOD disabled, VCC = 3V, typical · p. 237
Parameters
18- ADC (Bit)
- 10bit
- CPU Core
- AVR
- CPU Maximum Speed
- 16MHz
- Core Size
- 8 Bit
- Current - Supply
- 4.2mA
- Current - Supply(Max)
- 6mA
- EEPROM
- 256Byte
- Features
- Power-on reset (POR), Undervoltage detection (BOR/LVD/LVR/LVI), Watchdog reset, Built-in general-purpose timer, Programmable watchdog
- Number of I/O
- 12
- Operating Temperature
- -40℃~+85℃
- Oscillator Type
- Built-in
- Output Current per Pin(Max)
- 40mA
- Program Memory Type
- FLASH
- Program Storage Size
- 4KB
- RAM Size
- 256Byte
- Standby Current
- 170nA
- Voltage - Supply
- 1.7V~5.5V
- Voltage - Supply(Absolute Max)
- 6V
Order codes
2- ATTINY441-SSULCSC C145746
- ATTINY441-SSURLCSC C2053105
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
All 11- 2 layers100 × 149.5 mm
Rs485-moist sensor pannel
Miceuz/rs485-moist-sensor
Digital (RS485 - based) soil moisture and temperature sensor
170 parts74Apache-2.0 - 2 layers64.1 × 123.2 mm
- 2 layers50.8 × 50.8 mm
- 2 layers24.1 × 26.7 mm
- 2 layers25.2 × 60.5 mm
Rs485-breakout
Miceuz/rs485-breakout
A tiny development board to quickly prototype RS485/Modbus devices
33 parts2Apache-2.0 - 2 layers153 × 123 mm
- 2 layers50 × 50.1 mm
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/ATTINY441-SSU" title="ATTINY441-SSU in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/ATTINY441-SSU.jpg" alt="ATTINY441-SSU" width="1200" height="900">[](https://pcbkit.io/parts/microchip/ATTINY441-SSU)Questions
Is there a KiCad symbol and footprint for the ATTINY441-SSU?
Yes. The symbol is MCU_Microchip_ATtiny:ATtiny441-SS 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 ATTINY441-SSU?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the ATTINY441-SSU datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the ATTINY441-SSU?
JLCPCB lists it as part C145746, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ATTINY441-SSU?
Parts like it in the library: the PY32F002BD15S6TU by PUYA, the FT61F022A-RB by FMD, the FT61FC22A-RB by FMD and the PIC16F1503-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 ATTINY441-SSU?
11 boards in 10 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
PY32F002BD15S6TU
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