Microchip Technology ATMEGA328-PU Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 32KB FLASH 28DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA328-PU
Detailed Description
IC MCU 8BIT 32KB FLASH 28DIP
Package
28-DIP (0.300", 7.62mm)
Key Features
Package / Case: 28-DIP (0.300", 7.62mm); Mounting Type: Through Hole
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATMEGA328-PU Datasheet
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Technical Specifications
Microchip Technology ATMEGA328-PU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
ATmega328P
RAM Size
2K x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
RoHS
Yes
Package / Case
28-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Related Parts Comparison (ATMEGA328-PU vs PIC16C57-10I/SP vs PIC16LC57C-04I/SP vs PIC16C57-10/SP)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Series | ATmega328P | PIC® 16C | PIC® 16C | PIC® 16C |
| Package / Case | 28-DIP | 28-DIP | 28-DIP | 28-DIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | 4.5V ~ 5.5V | 2.5V ~ 5.5V | 4.5V ~ 5.5V |
| Core Processor | AVR | PIC | PIC | PIC |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 2K x 8 | 72 x 8 | 72 x 8 | 72 x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Number of I/O | 23 | 20 | 20 | 20 |
| Oscillator Type | Internal | External | External | External |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
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