Microchip ATTINY45-20SU, 8 bit AVR, ATTINY45 Microcontroller, 20 MHz, 4kB FLASH, 8-Pin SOIC

This image is representative of the product range

View all Microcontrollers
Bulk discount available

Subtotal (1 pack of 5 units)*

$11.07

(exc. GST)

$12.175

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • 195 unit(s) ready to ship from another location
  • Plus 190 unit(s) shipping from 23 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
5 - 20$2.214$11.07
25 - 120$2.194$10.97
125 +$1.802$9.01

*price indicative

Packaging Options:
RS Stock No.:
133-1645
Mfr. Part No.:
ATTINY45-20SU
Brand:
Microchip
Find similar products by selecting one or more attributes.
Select all

Brand

Microchip

Product Type

Microcontroller

Series

ATTINY45

Package Type

SOIC

Mount Type

Surface

Pin Count

8

Device Core

AVR

Data Bus Width

8bit

Interface Type

SPI

Program Memory Size

4kB

Maximum Clock Frequency

20MHz

RAM Size

256bit

Maximum Supply Voltage

5.5V

Minimum Operating Temperature

-40°C

Number of Programmable I/Os

6

Analogue Comparators

1

Maximum Operating Temperature

85°C

Height

1.91mm

Standards/Approvals

No

Width

5.4 mm

Length

5.35mm

Minimum Supply Voltage

2.7V

ADCs

4 x 10 Bit

Automotive Standard

No

Instruction Set Architecture

RISC

Program Memory Type

FLASH

Number of Timers

1

8-Bit tinyAVR® Microcontrollers


Atmel's tinyAVR® devices are optimized for applications that require performance, power efficiency, and ease-of-use in a small package.

Small for applications where size is critical

Capacitive Touch

Fast and code efficient

High integration

1.8V to 5.5V operation (ATtiny43U)

Related links