Mfr Part #:

SIM3U164-B-GM

The Silicon Labs SIM3U164-B-GM is a 32-bit ARM Cortex-M3 microcontroller with 256KB of Flash memory and 32KB of SRAM. It operates at a maximum frequency of 80 MHz.

✓ Total Stock: 193 pcs

$ Price Range: $6.40

SIM3U164-B-GM Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Risen Electronics ✓ Non-Authorised Inventory information	193 pcs On Request	193 pcs	On Request	1	On Request	On Request	On Request	On Request	2026-02-23 21:33:16

SIM3U164-B-GM Description

Short technical summary and product information.

The Silicon Labs SIM3U164-B-GM is a high-performance, low-power 32-bit microcontroller based on the ARM Cortex-M3 core. It offers a maximum operating frequency of 80 MHz, providing ample processing power for demanding applications.

This MCU features 256KB of in-system programmable Flash memory for program storage and 32KB of SRAM for data handling. It supports a wide operating voltage range of 1.8V to 3.6V and includes various peripherals such as I²C, SPI, UART/USART, and USB for versatile connectivity. The device is housed in a 40-QFN (6x6 mm) package, suitable for surface mounting.

Designed for efficiency, the SIM3U164-B-GM includes multiple power modes for low-power optimization. Its operating temperature range is -40°C to +85°C, making it suitable for a variety of environmental conditions. The microcontroller is equipped with 18 channels of 12-bit Analog-to-Digital converters and 2 channels of 10-bit Digital-to-Analog converters.

SIM3U164-B-GM Quick Information

Product Type: Microcontroller

Series: SIM3U1xx

Canonical Name: Silicon Labs SIM3U164-B-GM ARM Cortex-M3 Microcontroller

Subcategory: Microcontrollers

SIM3U164-B-GM Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

SIM3U164-B-GM Estimated Pricing

Qty	Low	High
1+	$6.40	$6.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

SIM3U164-B-GM Features

32-bit ARM Cortex-M3 core processor.
Maximum clock frequency of 80 MHz.
256KB Flash memory and 32KB SRAM.
Wide operating voltage from 1.8V to 3.6V.
Operates in -40°C to +85°C temperature range.

SIM3U164-B-GM Applications

Suitable for embedded control applications.
Ideal for low-power embedded systems.
Supports various communication protocols.
Features integrated analog-to-digital converters.
Designed for surface-mount applications.

SIM3U164-B-GM FAQs

7 frequently asked questions generated from this part’s specifications.

What is the core processor of the SIM3U164-B-GM?

The core processor is an ARM® Cortex®-M3.

What is the maximum clock frequency for this microcontroller?

The maximum clock frequency is 80 MHz.

How much Flash memory does the SIM3U164-B-GM have?

It has 256 kB of Flash memory.

What is the operating voltage range?

The operating voltage range is 1.8 V to 3.6 V.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

What package type is the SIM3U164-B-GM available in?

It is available in a 40-VFQFN Exposed Pad package.

What are the main connectivity interfaces supported?

Supported interfaces include I²C, IrDA, SmartCard, SPI, UART/USART, and USB.

Category	Microcontrollers
Manufacturer Name	Silicon Labs
Connectivity	I²C, IrDA, SmartCard, SPI, UART/USART, USB
Core Processor	ARM® Cortex®-M3
Core Size	32-Bit
Data Converters	A/D 18x12b; D/A 2x10b
Lead Spacing	6 mm
Mounting Type	Surface Mount
Number of I	28
Operating Temperature	-40°C / 85°C
Oscillator Type	Internal
Peripherals	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Program Memory Size	256 kB
Program Memory Type	FLASH
RAM Size	32 kB
Speed	80 MHz
Supplier Device Package	40-QFN (6x6)
Voltage	1.8 V / 3.6 V