EFM8UB20F64G-B-QFN32R vs EFM8UB20F64G-A-QFP48 Comparison
Detailed side-by-side comparison of EFM8UB20F64G-B-QFN32R by Silicon Labs and EFM8UB20F64G-A-QFP48 by Silicon Labs. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Silicon Labs
EFM8UB20F64G-B-QFN32R - 48MHz 8051 USB MCU, 64kB Flash | Silicon Labs
EFM8UB20F64G-B-QFN32R ✓ ActiveSilicon Labs
EFM8UB20F64G-A-QFP48 - 8-bit USB MCU, 64kB Flash | Silicon Labs
EFM8UB20F64G-A-QFP48 ✓ ActiveSpecification Comparison
| Parameter | EFM8UB20F64G-B-QFN32R | EFM8UB20F64G-A-QFP48 |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.05 | $2.18 |
| 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 | — |
| Package | 32-QFN (5x5 mm) | 48-pin TQFP (7x7 mm) |
| Operating Temperature Grade | -40C to +85C (B grade) | — |
| Supply Voltage | 2.7 V to 5.25 V | 2.4 V to 3.6 V |
| Digital I/O Pins | 25 | 40 |
| USB Interface | USB 2.0 Full-Speed (12 Mbps) Device with on-chip transceiver | — |
| ADC | 10-bit differential SAR, 20 channels, 200 ksps | 10-bit differential with EMIF |
| Timers | 6 x 16-bit | — |
| PCA Channels | 5 | 5 |
| Analog Comparators | 2 with adjustable reference | 2 with adjustable reference |
| Communication Peripherals | I2C, SMBus, SPI, UART/USART, USB | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (1,500/reel) | — |
| 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) |
| 16-bit Timers | — | 6 |
| USB | — | USB 2.0 Full-Speed with on-chip transceiver and clock recovery |
| Operating Temperature | — | -40 C to +85 C |
| RoHS Status | — | Compliant |