C8051F042 vs C8051F040 Comparison
Detailed side-by-side comparison of C8051F042 by Silicon Labs and C8051F040 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 | C8051F042 | C8051F040 |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | 8051 8-bit core | — |
| Maximum Clock Frequency | 25 MHz | 25 MHz |
| Performance | 25 MIPS | — |
| Flash Memory | 64 KB (64K x 8) | — |
| ADC Resolution | 10 bits | 12 bits |
| ADC Input Channels | 13 channels | — |
| ADC Throughput | 100 ksps | — |
| ADC Architecture | SAR ADC | — |
| Comparators | 3 comparators | — |
| CAN Controller | Integrated CAN 2.0B controller | Integrated CAN 2.0B controller |
| Digital I/O | 64 digital I/O pins | — |
| Package | 100-TQFP (14x14) | 100-pin TQFP, 14 mm x 14 mm |
| Programming | In-system programming (ISP) | — |
| Product Type | Mixed-signal 8-bit microcontroller | 8-bit mixed-signal system-on-chip microcontroller |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS compliance status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH compliance status] |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | — |
| Maximum GPIO | 64 digital I/O pins | — |
| Core Performance | — | 25 MIPS |
| Program Memory Type | — | 64 KB In-System Programmable Flash |
| RAM | — | 256 bytes |
| External RAM | — | 4 KB |
| Digital I/O Pins | — | 64 pins |
| ADC Channels | — | 13 channels |
| ADC Maximum Sampling Rate | — | 100 ksps |
| DAC Channels | — | 2 channels at 12-bit resolution |
| Comparator Count | — | 3 comparators |
| Timers | — | 5 timers |
| Serial Interfaces | — | SPI, SMBus, I2C, and 2 UARTs |
| On-Chip Temperature Sensor | — | Integrated |
| Programmable Counter Array | — | Integrated PCA |
| Mounting Type | — | Surface mount |
| Supply Voltage | — | [DATA_NEEDED: supply voltage range] |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |