EFM8BB21F16G-C-QFN20R vs EFM8BB51F16G-C-QFN20R 对比
详细并排对比 EFM8BB21F16G-C-QFN20R 出自 Silicon Labs 和 EFM8BB51F16G-C-QFN20R 出自 Silicon Labs。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Silicon Labs
EFM8BB21F16G-C-QFN20R - 50MHz 16KB 8-Bit MCU | Silicon Labs
EFM8BB21F16G-C-QFN20R Unknown
规格对比
| 参数 | EFM8BB21F16G-C-QFN20R | EFM8BB51F16G-C-QFN20R |
|---|---|---|
| 品牌 | Silicon Labs | Silicon Labs |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | Unknown | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.59 |
| Core | CIP-51 8051-compatible 8-bit core | CIP-51 8051 |
| 最大时钟频率 | 50 MHz | — |
| Flash Memory | 16 KB | 16 kB |
| RAM | 2.25 KB | 1.28 kB |
| Digital I/O | 16 lines | — |
| 电源电压 | 2.5 V/3.3 V | — |
| 封装 | 20-QFN, 3x3 mm | 20-QFN, 3 x 3 mm |
| Temperature Range | -40°C to +85°C | — |
| ADC | 1 unit, 12-bit, 15 channels | — |
| Analog Comparators | 2 low-current comparators | — |
| Programmable Counter Array | 3 channels | — |
| Timers | 5 x 16-bit timers | — |
| Series | EFM8 Busy Bee | — |
| 安装类型 | Surface Mount | Surface mount |
| Compliance | EU RoHS Compliant; REACH Compliant | — |
| Pricing | [DATA_NEEDED: current distributor unit price] | — |
| Product Type | — | 8-bit 8051 microcontroller |
| Operating Frequency | — | 50 MHz |
| GPIO Count | — | 16 |
| Timer Count | — | 4 x 16-bit timers |
| PCA Channels | — | 3 |
| Supply Class | — | 5 V wide-supply platform |
| 工作温度 | — | -40 °C to 85 °C |
| Architecture | — | 8-bit |
| Communication Peripherals | — | Additional communication peripherals |
| DigiKey Description | — | CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50 MHz 16 kB Flash |
| Mouser Description | — | 8-bit MCU, 5 V, 8051, 50 MHz, 16 kB Flash, 1.28 kB RAM, 16 GPIO |
| LCSC Listed Price | — | From $0.5871 as of 2026-10-21 |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Status | — | [DATA_NEEDED: AEC-Q100 status] |