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