ATTINY84A-MMHR
Microchip TechnologyExtended
-40℃~+85℃ 1.8V~5.5V 10bit 12 20MHz 512Byte 512Byte 8 Bit 8KB AVR Built-in FLASH VQFN-20-EP(3x3) Microcontrollers (MCU/MPU/SOC) ROHS
- Part id
- microchip/ATTINY84A-MMHR
- Category
- Microcontrollers (MCU, MPU, SOC)
- Package
- VQFN-20-EP(3x3)
- Pins
- 21
- In stock
- 0 at JLCPCB (C2052920)
Overview
The ATTINY84A-MMHR is a microcontroller made by Microchip Technology in a VQFN-20-EP(3x3) package with 21 pins. -40℃~+85℃ 1.8V~5.5V 10bit 12 20MHz 512Byte 512Byte 8 Bit 8KB AVR Built-in FLASH VQFN-20-EP(3x3) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_Microchip_ATtiny:ATtiny84A-MM, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-20-1EP_3x3mm_P0.45mm_EP1.6x1.6mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2052920).
Symbol
Footprint
Pinout
21| Pin | Name | Type |
|---|---|---|
| 1 | PA4 | Input/output |
| 2 | PA3 | Input/output |
| 3 | PA2 | Input/output |
| 4 | PA1 | Input/output |
| 5 | AREF/PA0 | Input/output |
| 6 | NC | Not connected |
| 7 | NC | Not connected |
| 8 | GND | Power in |
| 9 | VCC | Power in |
| 10 | NC | Not connected |
| 11 | XTAL1/PB0 | Input/output |
| 12 | XTAL2/PB1 | Input/output |
| 13 | RESET/PB3 | Input/output |
| 14 | PB2 | Input/output |
| 15 | PA7 | Input/output |
| 16 | PA6 | Input/output |
| 17 | NC | Not connected |
| 18 | NC | Not connected |
| 19 | NC | Not connected |
| 20 | PA5 | Input/output |
| 21 | GND | Passive |
Parts like it
8
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Questions
Is there a KiCad symbol and footprint for the ATTINY84A-MMHR?
Yes. The symbol is MCU_Microchip_ATtiny:ATtiny84A-MM and the footprint Package_DFN_QFN:QFN-20-1EP_3x3mm_P0.45mm_EP1.6x1.6mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ATTINY84A-MMHR?
VQFN-20-EP(3x3), with 21 pins. Its footprint is drawn on this page.
Where is the ATTINY84A-MMHR datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the ATTINY84A-MMHR?
JLCPCB lists it as part C2052920, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ATTINY84A-MMHR?
Parts like it in the library: the ATTINY44A-MMH by Microchip Technology, the ATTINY40-MMHR by Microchip Technology, the ATTINY841-MMH by Microchip Technology and the ATTINY441-MMH by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.