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C8051F961-B-GM This is an 8-bit 8051 microcontroller from Silicon Labs with 128KB of Flash memory and 8.25KB of RAM. It operates at 25 MHz and features 34 I/O lines, integrated LCD controller, and ultra-low power sleep modes.
Mfr Part #:

C8051F961-B-GM

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
This is an 8-bit 8051 microcontroller from Silicon Labs with 128KB of Flash memory and 8.25KB of RAM. It operates at 25 MHz and features 34 I/O lines, integrated LCD controller, and ultra-low power sleep modes.
✓ Total Stock: 4,454 pcs

C8051F961-B-GM Available from 1 distributor

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C8051F961-B-GM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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C8051F961-B-GM Description

Short technical summary and product information.

The C8051F961-B-GM is an 8-bit microcontroller based on the high-speed 8051 core, operating at up to 25 MHz. It features 128KB of in-system programmable Flash memory and 8.25KB of internal data RAM. This device is part of the ultra-low-power C8051F96x family, consuming only 130 µA/MHz in active mode with dc-dc enabled and as low as 120 nA in sleep mode with data retention. It includes a 12-bit, 16-channel ADC capable of up to 75 ksps in 12-bit mode, along with two low-current comparators and an internal 6-bit current reference. Connectivity options include I2C, SPI, and UART/USART interfaces. The microcontroller also integrates a DMA controller, an LCD controller supporting up to 128 segments, and peripherals such as POR, PWM, and WDT. It is supplied in a 40-VFQFN Exposed Pad package (40-QFN, 6x6 mm) for surface mount assembly. The operating temperature range is -40°C to 85°C, and the supply voltage range is 1.8V to 3.8V.

C8051F961-B-GM Quick Information

Product Type: Microcontroller
Canonical Name: C8051F961-B-GM Microcontroller, 8-bit, 8051 Core, 128KB Flash, 40-QFN
Subcategory: 8-bit Microcontrollers

C8051F961-B-GM Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

C8051F961-B-GM Features

  • 8-bit 8051 core with 25 MHz speed.
  • 128KB Flash and 8.25KB RAM memory.
  • Ultra-low power: 130 µA/MHz active mode.
  • Integrated 12-bit ADC with 16 channels.
  • Supports I2C, SPI, and UART interfaces.

C8051F961-B-GM Applications

  • Ideal for metering and sensor applications.
  • Used in portable and battery-powered devices.
  • Suitable for LCD display control systems.
  • Enables wireless protocol acceleration with DPPE.

C8051F961-B-GM FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range?

1.8V to 3.8V.

What package does this microcontroller come in?

40-VFQFN Exposed Pad, also known as 40-QFN (6x6).

What is the operating temperature range?

-40°C to 85°C.

Is this part RoHS compliant?

The part is marked as RoHS3 Compliant, but this is unverified.

What core processor does this MCU use?

8051 8-bit core.

What is the maximum clock speed?

25 MHz.

How much Flash memory does it have?

128KB.

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