CP2108-B01-GMR vs CP2108-B03-GMR Comparison
Detailed side-by-side comparison of CP2108-B01-GMR by Silicon Labs and CP2108-B03-GMR 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
CP2108-B01-GMR - USB-to-Quad-UART Bridge | Silicon Labs | 64-QFN
CP2108-B01-GMR ✓ ActiveSilicon Labs
CP2108-B03-GMR - USB to Quad UART Bridge, QFN-64 | Silicon Labs
CP2108-B03-GMR ✓ ActiveSpecification Comparison
| Parameter | CP2108-B01-GMR | CP2108-B03-GMR |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.35 | $4.61 |
| Function | USB to Quad UART Bridge Controller | USB to Quad UART Bridge Controller |
| USB Specification | USB 2.0 Full-Speed (12 Mbps) | — |
| Number of UART Channels | 4 | — |
| UART Data Rate | 300 baud to 2 Mbaud | — |
| Supply Voltage (VBUS) | 3.0 V to 5.25 V | — |
| Internal LDO Output | 3.3 V (on-chip regulator) | — |
| I/O Voltage (VIO) | 1.8 V to 3.3 V (level shifters) | — |
| GPIO Pins | 16 (GPIO.0 to GPIO.15) | — |
| On-chip OTP Memory | 512 bytes | — |
| Internal Oscillator | 48 MHz (no external crystal required) | Yes (crystal-less USB operation) |
| Flow Control | Hardware (RTS/CTS, DTR/DSR) and software (XON/XOFF) | Hardware (RTS/CTS) and Software (XON/XOFF) per UART |
| Package | 64-pin QFN EP, 9 mm x 9 mm | — |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | -40 C to +85 C |
| MSL Level | [DATA_NEEDED: MSL Level] | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] |
| RoHS Status | Compliant | Compliant (per manufacturer page) |
| Drivers | Royalty-free VCP drivers (Windows, macOS, Linux) | — |
| Protocol | — | USB 2.0 Full-Speed |
| UART Channels | — | 4 |
| Supply Voltage | — | 3.0 V to 3.6 V |
| Supply Current | — | [DATA_NEEDED: typical operating current in mA] |
| Baud Rate | — | 300 bps to 921.6 kbps (per UART) |
| Data Bits | — | 5, 6, 7, 8 bits |
| Parity | — | None, Even, Odd, Mark, Space |
| Stop Bits | — | 1, 1.5, 2 |
| Modem Control Signals | — | Full (DTR, DSR, RTS, CTS, DCD, RI) per channel |
| Internal LDO | — | 3.3 V output, up to 100 mA for external logic |
| On-chip EEPROM | — | Yes (VID, PID, serial number, product string, GPIO configuration) |
| GPIO | — | Configurable multi-IO pins (revision B03 feature) |
| ESD Protection | — | [DATA_NEEDED: HBM IEC 61000-4-2 rating on USB lines] |
| Package / Case | — | 64-QFN (9 mm x 9 mm) |
| Supplier Device Package | — | 64-QFN 9 x 9 |