
Overview
The ATTINY45-20PI is a microcontroller made by Microchip Technology in a PDIP-8 package with 8 pins. -40℃~+85℃ 10bit 2.7V~5.5V 20MHz 256Byte 4KB 6 8 Bit AVR Built-in FLASH PDIP-8 Microcontrollers (MCU/MPU/SOC).
PCBKit's library has its KiCad symbol (MCU_Microchip_ATtiny:ATtiny45-20P, from KiCad's library) and its footprint (Package_DIP:DIP-8_W7.62mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3231920).
Symbol
Footprint
Parameters
12- ADC (Bit)
- 10bit
- CPU Core
- AVR
- CPU Maximum Speed
- 20MHz
- Core Size
- 8 Bit
- EEPROM
- 256Byte
- Number of I/O
- 6
- Operating Temperature
- -40℃~+85℃
- Oscillator Type
- Built-in
- Program Memory Type
- FLASH
- Program Storage Size
- 4KB
- RAM Size
- 256Byte
- Voltage - Supply
- 2.7V~5.5V
Order codes
1- ATTINY45-20PILCSC C3231920
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | RESET/PB5 | Input/output |
| 2 | XTAL1/PB3 | Input/output |
| 3 | XTAL2/PB4 | Input/output |
| 4 | GND | Power in |
| 5 | AREF/PB0 | Input/output |
| 6 | PB1 | Input/output |
| 7 | PB2 | Input/output |
| 8 | VCC | Power in |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/ATTINY45-20PI" title="ATTINY45-20PI 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/ATTINY45-20PI.jpg" alt="ATTINY45-20PI" width="1200" height="900">[](https://pcbkit.io/parts/microchip/ATTINY45-20PI)Questions
Is there a KiCad symbol and footprint for the ATTINY45-20PI?
Yes. The symbol is MCU_Microchip_ATtiny:ATtiny45-20P and the footprint Package_DIP:DIP-8_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ATTINY45-20PI?
PDIP-8, with 8 pins. Its footprint is drawn on this page.
Where is the ATTINY45-20PI datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the ATTINY45-20PI?
JLCPCB lists it as part C3231920, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ATTINY45-20PI?
Parts like it in the library: the ATTINY85-20PU by Microchip Technology, the ATTINY13A-PU by Microchip Technology, the ATTINY45-20PU by Microchip Technology and the ATTINY13-20PU by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
7ATTINY85-20PU
PDIP-8-40℃~+85℃ 10bit 2.7V~5.5V 20MHz 512Byte 512Byte 6 8 Bit 8KB AVR Built-in FLASH PDIP-8 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)ATTINY13A-PU
DIP-8-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 6 64Byte 64Byte 8 Bit AVR Built-in FLASH DIP-8 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)ATTINY45-20PU
DIP-8-40℃~+85℃ 10bit 2.7V~5.5V 20MHz 256Byte 256Byte 4KB 6 8 Bit AVR Built-in FLASH DIP-8 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)ATTINY13-20PU
DIP-8-40℃~+85℃ 10bit 1KB 2.7V~5.5V 20MHz 6 64Byte 64Byte 8 Bit AVR Built-in FLASH DIP-8 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)ATTINY25-20PU
PDIP-8-40℃~+85℃ 10bit 128Byte 128Byte 2.7V~5.5V 20MHz 2KB 6 8 Bit AVR Built-in FLASH PDIP-8 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)MC9S08QG4CPAE
PDIP-81.8V~3.6V 10bit 20MHz 4 4KB FLASH Others Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、External pin reset (NRST)、Built-in general-purpose timer、Built-in temperature sensor PDIP-8 Microcontrollers (MCU/MPU/SOC) ROHSNXP SemiconductorsMicrocontrollers (MCU/MPU/SOC)ATTINY13V-10PQ
PDIP-810bit 1KB 64Byte AVR FLASH PDIP-8 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)