C8051F921-GMR Price & Stock
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Manufacturer

Integrated Circuits (ICs) > Embedded - Microcontrollers
IC MCU 8BIT 32KB FLASH 24QFN
Documents
Datasheet |
C8051F921-GMR![]() |
Specifications
Series | C8051F9xx |
Part Status | Obsolete |
Core Processor | 8051 |
Core Size | 8-Bit |
Speed | 25MHz |
Connectivity | SMBus (2-Wire/I²C), SPI, UART/USART |
Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT |
Number of I/O | 16 |
Program Memory Size | 32KB (32K x 8) |
Program Memory Type | FLASH |
RAM Size | 4.25K x 8 |
Voltage - Supply (Vcc/Vdd) | 0.9 V ~ 3.6 V |
Data Converters | A/D 15x10b |
Oscillator Type | Internal |
Operating Temperature | -40°C ~ 85°C (TA) |
Package / Case | 24-WFQFN Exposed Pad |
Supplier Device Package | 24-QFN (4x4) |
Hide
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Renesas Electronics America Inc | IC MCU 16BIT 160KB FLSH 176LFBGA | 3946 |
|
Inquiry |

Allelco Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Energy Micro (Silicon Labs) | IC MCU 8BIT 32KB FLASH 24QFN Integrated Circuits (ICs) > Embedded - Microcontrollers
|
5650 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | DC:Active ; - | 0 |
|
Inquiry |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | 44314 |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN Embedded - Microcontrollers
|
30158 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Energy Micro (Silicon Labs) | IC MCU 8BIT 32KB FLASH 24QFN ; 24-QFN (4x4) Embedded - Microcontrollers
|
Available |
|
Inquiry |

Shenzhen Dasenic Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN Integrated Circuits (ICs)>Embedded - Microcontrollers
|
9060 |
|
Buy |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tape & Reel (TR) | 259 |
|
Inquiry |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | 4107 |
|
Inquiry |

Fly-Wing Technology (HK) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | 8-bit Microcontrollers - MCU 32KB 10ADC MCU LEAD FREE | 2250 |
|
Buy |

Lvy Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | 2000 |
|
Inquiry | |||
C8051F921-GMR | Silicon Labs | 2000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 2003 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 150000 |
|
Inquiry |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | 24-WFQFN Exposed Pad | 10000 |
|
Inquiry |

Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | 8704 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 17880 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Energy Micro (Silicon Labs) | IC MCU 8BIT 32KB FLASH 24QFN Embedded - Microcontrollers
|
In-Stock |
|
Inquiry |

EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 2170 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 4796 |
|
Inquiry |

ODG (Origin Data Global)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 2405 |
|
Buy |

Win Source
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||
---|---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 3020 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | new and original ROHS ; DC:09+PB ; QFN24 | 11 |
|
Inquiry |

Hongte Technology Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | QFN24 | 5000 |
|
Inquiry |

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 9928 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Laboratories Inc | 6 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON LABS | IN STOCK | 3762 |
|
Inquiry |

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 17675 |
|
Inquiry |

LIXINC Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | Brand new and original/respond online to quote. | 16189 |
|
Inquiry |

MountainView Components Inc.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON LABS | IN STOCK Immediate delivery | 3762 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON LABS | DC:23+ ; QFN | 3756 |
|
Inquiry | |
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN ; DC:21+ ; 24-QFN (4x4) | 111 |
|
Inquiry | |
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN ; DC:23+ | 17880 |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 10000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON LABS | Stock to ship immediately | 4262 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | 8051 C8051F9xx Microcontroller IC 8-Bit 25MHz 32KB (32K x 8) FLASH 24-QFN (4x4) | 9694 |
|
Inquiry |

Avnat Group (Asia Pacific) Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON LABS/о¿Æ | 3762 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Laboratories Inc | DC:22+ ; IC MCU 32KB FLASH 24QFN | 15000 |
|
Inquiry |

SILITECH Components Inc
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON LABS | OEM/CM In stock | 3862 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON | QFN24 ; DC:11+ | 2951 |
|
Inquiry |

He Qing Electronics Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | 8051 C8051F9xx Microcontroller IC 8-Bit 25MHz 32KB (32K x 8) FLASH 24-QFN (4x4) ; Tape & Reel (TR) | 4131 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON LABS | 2459 |
|
Inquiry |

Unicom Electronics co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON | shipping today | 539 |
|
Inquiry | |
C8051F921-GMR | SILICON LABS | IN STOCK Immediate delivery | 3162 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON | QFN24 ; DC:11+ | 2278 |
|
Inquiry |

GlobalTek Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921GMR | SILICON | OEM/CM QUOTES ONLY | NO BROKERS | 2769 |
|
Inquiry |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | DC:24+ ; Original New | 25018 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | In Stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Energy Micro (Silicon Labs) | The parts are in stock | 10000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON LABS | Original stock,24-hour delivery | 10321 |
|
Inquiry |

IC Components Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | IC MCU 8BIT 32KB FLASH 24QFN | 1200 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | Silicon Labs | 8-bit Microcontrollers - MCU | in stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON | QFN ; DC:2022+ | 5000 |
|
Inquiry | |
C8051F921-GMR | SILICON | QFN-24 ; DC:2023+ | 3000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILIICN | DC:09+ ; QFN | 243 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON | We exclusively sell to OEMs, ODMs and CMs/EMS. Thank you. | 2200 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921GMR
sku #: C8051F921GMR
|
Silicon | 98 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
C8051F921-GMR | SILICON | In stock,ready for shipping ; QFN24 | 3315 |
|
Inquiry |
See Also:
C8051F931-GMR
C8051F911-GMR
C8051F321-GMR
C8051F921-GM
C8051F901-GMR
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C8051F991-GMR
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C8051F021-GQR
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C8051F920-GQR
C8051F911-GUR
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C8051F988-GMR
C8051F981-GM
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C8051F921-G-GMR
C8051F986-GMR
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C8051F931-GM
C8051F327-GMR
C8051F989-GMR
C8051F411-GMR
C8051F985-GMR
C8051F911-GM
C8051F901-GUR
C8051F996-GMR
C8051F321-GQR
C8051F982-GMR
C8051F971-GM
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