Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 32 kB Flash, 28-Pin PDIP
- RS Stock No.:
- 131-0277
- Mfr. Part No.:
- ATMEGA328-PU
- Brand:
- Microchip
Subtotal (1 pack of 5 units)*
£9.60
(exc. VAT)
£11.50
(inc. VAT)
FREE delivery for orders over £50.00
- 245 unit(s) ready to ship
- Plus 95 unit(s) ready to ship from another location
- Plus 115 unit(s) shipping from 27 October 2025
Units | Per unit | Per Pack* |
|---|---|---|
| 5 - 20 | £1.92 | £9.60 |
| 25 - 95 | £1.864 | £9.32 |
| 100 + | £1.796 | £8.98 |
*price indicative
- RS Stock No.:
- 131-0277
- Mfr. Part No.:
- ATMEGA328-PU
- Brand:
- Microchip
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Family Name | ATmega | |
| Package Type | PDIP | |
| Mounting Type | Through Hole | |
| Pin Count | 28 | |
| Device Core | AVR | |
| Data Bus Width | 8bit | |
| Program Memory Size | 32 kB | |
| Maximum Frequency | 20MHz | |
| RAM Size | 2 kB | |
| USB Channels | 0 | |
| Number of PWM Units | 1 | |
| Number of SPI Channels | 2 | |
| Number of UART Channels | 1 | |
| Number of CAN Channels | 0 | |
| Number of I2C Channels | 1 | |
| Typical Operating Supply Voltage | 1.8 → 5.5 V | |
| Number of USART Channels | 1 | |
| Instruction Set Architecture | RISC | |
| Maximum Number of Ethernet Channels | 0 | |
| Dimensions | 34.79 x 7.49 x 4.06mm | |
| ADCs | 6 x 10 bit | |
| Length | 34.79mm | |
| Pulse Width Modulation | 1 (6 Channel) | |
| Number of ADC Units | 1 | |
| Maximum Operating Temperature | +85 °C | |
| Minimum Operating Temperature | -40 °C | |
| Height | 4.06mm | |
| Program Memory Type | Flash | |
| Number of LIN Channels | 0 | |
| Number of Ethernet Channels | 0 | |
| Number of PCI Channels | 0 | |
| Width | 7.49mm | |
Select all | ||
|---|---|---|
Brand Microchip | ||
Family Name ATmega | ||
Package Type PDIP | ||
Mounting Type Through Hole | ||
Pin Count 28 | ||
Device Core AVR | ||
Data Bus Width 8bit | ||
Program Memory Size 32 kB | ||
Maximum Frequency 20MHz | ||
RAM Size 2 kB | ||
USB Channels 0 | ||
Number of PWM Units 1 | ||
Number of SPI Channels 2 | ||
Number of UART Channels 1 | ||
Number of CAN Channels 0 | ||
Number of I2C Channels 1 | ||
Typical Operating Supply Voltage 1.8 → 5.5 V | ||
Number of USART Channels 1 | ||
Instruction Set Architecture RISC | ||
Maximum Number of Ethernet Channels 0 | ||
Dimensions 34.79 x 7.49 x 4.06mm | ||
ADCs 6 x 10 bit | ||
Length 34.79mm | ||
Pulse Width Modulation 1 (6 Channel) | ||
Number of ADC Units 1 | ||
Maximum Operating Temperature +85 °C | ||
Minimum Operating Temperature -40 °C | ||
Height 4.06mm | ||
Program Memory Type Flash | ||
Number of LIN Channels 0 | ||
Number of Ethernet Channels 0 | ||
Number of PCI Channels 0 | ||
Width 7.49mm | ||
ATmega328 8-Bit megaAVR Microcontrollers
Microcontroller Features
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
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