Microchip, 8 bit AVR, megaAVR Microcontroller, 20 MHz, 32kB FLASH, 28-Pin PDIP
- RS Stock No.:
- 131-0277P
- Mfr. Part No.:
- ATMEGA328-PU
- Brand:
- Microchip
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Subtotal 25 units (supplied in a tube)*
$109.40
(exc. VAT)
$125.80
(inc. VAT)
FREE delivery for orders over $60.00 ex GST
In Stock
- Plus 125 unit(s) shipping from 15 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 25 - 120 | $4.376 |
| 125 + | $3.602 |
*price indicative
- RS Stock No.:
- 131-0277P
- Mfr. Part No.:
- ATMEGA328-PU
- Brand:
- Microchip
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Series | megaAVR | |
| Product Type | Microcontroller | |
| Package Type | PDIP | |
| Mount Type | Through Hole | |
| Pin Count | 28 | |
| Device Core | AVR | |
| Data Bus Width | 8bit | |
| Program Memory Size | 32kB | |
| Maximum Clock Frequency | 20MHz | |
| RAM Size | 2kB | |
| Maximum Supply Voltage | 5.5V | |
| Minimum Operating Temperature | -40°C | |
| Analogue Comparators | 1 | |
| Number of Programmable I/Os | 23 | |
| Maximum Operating Temperature | 85°C | |
| Standards/Approvals | No | |
| Height | 4.06mm | |
| Width | 7.49 mm | |
| Length | 34.79mm | |
| Minimum Supply Voltage | 1.8V | |
| Instruction Set Architecture | RISC | |
| ADCs | 6 x 10 Bit | |
| Automotive Standard | No | |
| Number of Timers | 2 | |
| Program Memory Type | FLASH | |
| Distrelec Product Id | 304-37-088 | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Series megaAVR | ||
Product Type Microcontroller | ||
Package Type PDIP | ||
Mount Type Through Hole | ||
Pin Count 28 | ||
Device Core AVR | ||
Data Bus Width 8bit | ||
Program Memory Size 32kB | ||
Maximum Clock Frequency 20MHz | ||
RAM Size 2kB | ||
Maximum Supply Voltage 5.5V | ||
Minimum Operating Temperature -40°C | ||
Analogue Comparators 1 | ||
Number of Programmable I/Os 23 | ||
Maximum Operating Temperature 85°C | ||
Standards/Approvals No | ||
Height 4.06mm | ||
Width 7.49 mm | ||
Length 34.79mm | ||
Minimum Supply Voltage 1.8V | ||
Instruction Set Architecture RISC | ||
ADCs 6 x 10 Bit | ||
Automotive Standard No | ||
Number of Timers 2 | ||
Program Memory Type FLASH | ||
Distrelec Product Id 304-37-088 | ||
ATmega328 8-Bit megaAVR Microcontrollers
The Atmel ATmega328 Microcontroller is an 8-bit megaAVR device based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle the ATmega328 achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and speed.
Microcontroller Features
20 MHz Max. Operating Frequency
Up to 20 MIPS at 20 MHz
32 KB Flash
1024 B EEPROM
2 KB SRAM
131 Instructions – Most single clock cycle execution
32 General Purpose Registers
23 GPIO
Power-on Reset and Programmable Brown-out Detection
Internal Calibrated Oscillator
External and Internal Interrupt Sources
Five Power-Saving Sleep Modes
Internal and External Interrupts
Fully Static Operation
Peripheral Features
10-bit 15 ksps Analogue-to-Digital Converter (ADC) – 8 or 6 channels
Capacitive Touch Sense – 16 channels
Temperature Sensor
Two 8-bit Timers
One 16-bit Timer
Output Compare Module – 6 channels
Six PWM Channels
Programmable Serial USART
Master/Slave SPI Serial Interface
Byte-oriented 2-wire Serial Interface – I2C compatible
Programmable Watchdog Timer with Separate Oscillator
Analogue Comparator
Interrupt and Wake-up on Pin Change