EFM8UB20F64G-A-QFP48 vs EFM8UB20F64G-B-QFN32R 对比
详细并排对比 EFM8UB20F64G-A-QFP48 出自 Silicon Labs 和 EFM8UB20F64G-B-QFN32R 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
EFM8UB20F64G-A-QFP48 - 8-bit USB MCU, 64kB Flash | Silicon Labs
EFM8UB20F64G-A-QFP48 ✓ 量产中Silicon Labs
EFM8UB20F64G-B-QFN32R - 48MHz 8051 USB MCU, 64kB Flash | Silicon Labs
EFM8UB20F64G-B-QFN32R ✓ 量产中规格对比
| 参数 | EFM8UB20F64G-A-QFP48 | EFM8UB20F64G-B-QFN32R |
|---|---|---|
| 品牌 | Silicon Labs | Silicon Labs |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.18 | $2.05 |
| Core | CIP-51 (8051-compatible, 8-bit, pipelined) | — |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 64 kB | — |
| RAM | 4.25 kB (256 B internal + 4 kB XRAM) | — |
| Digital I/O Pins | 40 | 25 |
| 16-bit Timers | 6 | — |
| PCA Channels | 5 | 5 |
| ADC | 10-bit differential with EMIF | 10-bit differential SAR, 20 channels, 200 ksps |
| Analog Comparators | 2 with adjustable reference | 2 with adjustable reference |
| USB | USB 2.0 Full-Speed with on-chip transceiver and clock recovery | — |
| 电源电压 | 2.4 V to 3.6 V | 2.7 V to 5.25 V |
| 封装 | 48-pin TQFP (7x7 mm) | 32-QFN (5x5 mm) |
| 工作温度 | -40 C to +85 C | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | — |
| Core Processor | — | CIP-51 8051 (pipelined) |
| Core Size | — | 8-bit |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 64 kB |
| Data RAM (XRAM) | — | 4 kB |
| Operating Temperature Grade | — | -40C to +85C (B grade) |
| USB Interface | — | USB 2.0 Full-Speed (12 Mbps) Device with on-chip transceiver |
| Timers | — | 6 x 16-bit |
| Communication Peripherals | — | I2C, SMBus, SPI, UART/USART, USB |
| Packaging | — | Tape & Reel (1,500/reel) |