C8051F311 vs C8051F321 Comparison
Detailed side-by-side comparison of C8051F311 by Silicon Labs and C8051F321 by Silicon Labs. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | C8051F311 | C8051F321 |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | Mixed-signal 8-bit microcontroller | 8-bit mixed-signal microcontroller (MCU) |
| CPU Core | 8051-compatible | — |
| Maximum Clock Frequency | 25 MHz | 25 MHz |
| Maximum CPU Performance | 25 MIPS | — |
| Flash Memory | 16 kB | 16 KB (16K x 8) |
| RAM | 1.25 kB | — |
| ADC Resolution | 10 bit | 10 bits |
| ADC Input Channels | 17 channels | — |
| ADC Sampling Rate | 200 ksps | — |
| Comparator Count | 2 | — |
| Timer Count | 4 x 16-bit | — |
| Communication Interfaces | [DATA_NEEDED: communication interface types] | — |
| Power-On Reset | On-chip | — |
| Package | QFN-28, 5 mm x 5 mm | 28-MLP QFN (5 x 5 mm) |
| Mounting Type | Surface mount | Surface mount |
| Operating Voltage Range | [DATA_NEEDED: operating voltage range] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | unknown | — |
| REACH Status | unknown | — |
| Maximum CPU Throughput | — | 25 MIPS |
| Core Architecture | — | Pipelined 8051 core |
| Operating Supply Voltage | — | 2.7 V to 3.6 V |
| ADC Maximum Sampling Rate | — | 200 ksps |
| ADC Input Configuration | — | 13 external single-ended or differential inputs |
| ADC Reference Options | — | External VREF pin, internal reference, or VDD |
| USB Interface | — | USB 2.0 function controller with integrated transceiver and on-chip clock recovery |
| Number of I/O Ports | — | 21 |
| External Conversion Start | — | External conversion-start input |
| Built-in Temperature Sensor | — | Available through the ADC reference and measurement peripherals |
| RoHS Compliance | — | RoHS compliant |
| Lifecycle Stage | — | Active |
| RAM Memory | — | [DATA_NEEDED: RAM memory size] |