ATMEGA328-MMHR is available for purchase but is not normally stocked.
Available Substitutes:
Parametric Equivalent

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.


ATMEGA328-MMHR | |
|---|---|
DigiKey Part Number | ATMEGA328-MMHRTR-ND - Tape & Reel (TR) ATMEGA328-MMHRCT-ND - Cut Tape (CT) ATMEGA328-MMHRDKR-ND - Digi-Reel® |
Manufacturer | |
Manufacturer Part Number | ATMEGA328-MMHR |
Description | IC MCU 8BIT 32KB FLASH 28VQFN |
Manufacturer Standard Lead Time | 7 Weeks |
Customer Reference | |
Detailed Description | AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 32KB (16K x 16) FLASH 28-VQFN (4x4) |
Datasheet | Datasheet |
EDA/CAD Models | ATMEGA328-MMHR Models |
Product Attributes
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Category | Program Memory Size |
Mfr | Program Memory Type FLASH |
Series | EEPROM Size 1K x 8 |
Packaging Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | RAM Size 2K x 8 |
Part Status Active | Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V |
DigiKey Programmable Not Verified | Data Converters A/D 8x10b |
Core Processor AVR | Oscillator Type Internal |
Core Size 8-Bit | Operating Temperature -40°C ~ 85°C (TA) |
Speed 20MHz | Mounting Type Surface Mount |
Connectivity I2C, SPI, UART/USART | Supplier Device Package 28-VQFN (4x4) |
Peripherals Brown-out Detect/Reset, POR, PWM, WDT | Package / Case 28-VFQFN Exposed Pad |
Number of I/O 23 | Base Product Number |
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Additional Resources
Substitutes (1)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| ATMEGA328P-MMHR | Microchip Technology | 0 | ATMEGA328P-MMHRTR-ND | $2.87000 | Parametric Equivalent |
Available To Order
Check Lead Time
This product is not kept in stock at DigiKey. The lead time shown will apply to the manufacturer’s shipment to DigiKey. Upon receiving the product, DigiKey will ship to fill open orders.
Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $2.62000 | $2.62 |
| 25 | $2.40000 | $60.00 |
| 100 | $2.18000 | $218.00 |
Tape & Reel (TR)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 6,000 | $2.55640 | $15,338.40 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.
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