STM8S105C4T3Alternatives & Equivalent Parts
About STM8S105C4T3
STM8S105C4T3 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | STM8S105C4T3Source | STM8S105C4T6 | STM8S105C6T6 |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 48 | 48 | 48 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.5400 | $1.1800 | $1.3240 |
| Electrical Parameters | |||
| Factory Lead Time | 10 Weeks | 10 Weeks | 10 Weeks |
| YTEOL | 9 | 9 | 9 |
| Has ADC | YES | YES | YES |
| Bit Size | 8 | 8 | 8 |
| Boundary Scan | NO | NO | NO |
| CPU Family | STM8 | STM8 | STM8 |
| Clock Frequency-Max | 16 MHz | 16 MHz | 16 MHz |
| DAC Channels | NO | NO | NO |
| DMA Channels | NO | NO | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO |
| JESD-30 Code | S-PQFP-G48 | S-PQFP-G48 | S-PQFP-G48 |
| JESD-609 Code | e4 | e1 | e4 |
| Low Power Mode | YES | YES | YES |
| Number of External Interrupts | 35 | 35 | 35 |
| Number of I/O Lines | 38 | 38 | 38 |
| Number of Serial I/Os | 1 | 1 | 1 |
| Number of Timers | 5 | 5 | 5 |
| On Chip Data RAM Width | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | QFP48,.35SQ,20 | QFP48,.35SQ,20 | QFP48,.35SQ,20 |
| Package Shape | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 2048 | 2048 | 2048 |
| RAM (words) | 1024 | 1024 | 1024 |
| ROM (words) | 16384 | 16384 | 32768 |
| ROM Programmability | FLASH | FLASH | FLASH |
| Speed | 16 MHz | 16 MHz | 16 MHz |
| Supply Current-Max | 8 mA | 8 mA | 8 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 2.95 V | 3.3 V | 3.3 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Silver/Copper (Sn/Ag/Cu) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for STM8S105C4T3 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating STM8S105C4T3 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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Request Alternatives for STM8S105C4T3FAQ
What is equivalent to STM8S105C4T3?
Known equivalents for STM8S105C4T3 include STM8S105C4T6, STM8S105C6T6. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM8S105C4T3?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify STM8S105C4T3 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.