USB3503-I/MLAlternatives & Equivalent Parts
About USB3503-I/ML
USB3503-I/ML is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | USB3503-I/MLSource | STM8S003K3T6C | CP2102-GMR | 0436500315 |
|---|---|---|---|---|
| Manufacturer | Microchip | STMicroelectronics | Silicon Labs | Molex |
| Package Type | Quad Flat No-Lead | Quad Flat Packages | Quad Flat No-Lead | Other |
| Pin Count | 32 | 32 | 29 | 3 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | — |
| Price | $3.4000 | $0.4323 | $3.5000 | $0.4534 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | ||||
| Manufacturer Package Code | QFN-32 | — | — | — |
| Factory Lead Time | 7 Weeks | 10 Weeks | — | — |
| YTEOL | 14 | 9 | — | 7.6 |
| Bus Compatibility | I2C; USB | — | — | — |
| Clock Frequency-Max | 52 MHz | 16 MHz | — | — |
| Data Transfer Rate-Max | 0.125 MBps | — | — | — |
| JESD-30 Code | S-XQCC-N32 | S-PQFP-G32 | — | — |
| JESD-609 Code | e3 | e4 | — | e3 |
| Package Body Material | UNSPECIFIED | PLASTIC/EPOXY | — | — |
| Package Equivalence Code | LCC32,.20SQ,20 | QFP32,.35SQ,32 | — | — |
| Package Shape | SQUARE | SQUARE | — | — |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | — |
| Supply Current-Max | 110 mA | 100 mA | — | — |
| Supply Voltage-Max | 2 V | 5.5 V | — | — |
| Supply Voltage-Min | 1.6 V | 3.3 V | — | — |
| Supply Voltage-Nom | 1.8 V | 3.3 V | — | — |
| Surface Mount | YES | YES | — | — |
| Technology | CMOS | CMOS | — | — |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | — |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — |
| Terminal Form | NO LEAD | GULL WING | — | — |
| Terminal Pitch | 0.5 mm | 0.8 mm | — | — |
| Terminal Position | QUAD | QUAD | — | — |
| uPs/uCs/Peripheral ICs Type | BUS CONTROLLER, UNIVERSAL SERIAL BUS | MICROCONTROLLER | — | — |
| ## USB3503-I/ML Alternates Showing results | Image | — | — | — |
| Has ADC | — | YES | — | — |
| Bit Size | — | 8 | — | — |
| Boundary Scan | — | NO | — | — |
| CPU Family | — | STM8S | — | — |
| DAC Channels | — | NO | — | — |
| DMA Channels | — | NO | — | — |
| Format | — | FIXED POINT | — | — |
| Integrated Cache | — | NO | — | — |
| Low Power Mode | — | YES | — | — |
| Number of External Interrupts | — | 27 | — | — |
| Number of I/O Lines | — | 28 | — | — |
| Number of Timers | — | 3 | — | — |
| On Chip Data RAM Width | — | 8 | — | — |
| On Chip Program ROM Width | — | 8 | — | — |
| PWM Channels | — | YES | — | — |
| Qualification Status | — | Not Qualified | — | — |
| RAM (bytes) | — | 1024 | — | — |
| RAM (words) | — | 1024 | — | — |
| ROM (words) | — | 8192 | — | — |
| ROM Programmability | — | FLASH | — | — |
| Speed | — | 16 MHz | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — | — |
| Pbfree Code | — | — | — | Yes |
| Body Breadth | — | — | — | 0.219 inch |
| Body Depth | — | — | — | 0.39 inch |
| Body Length | — | — | — | 0.498 inch |
| Body/Shell Style | — | — | — | PLUG |
| Connector Type | — | — | — | RECTANGULAR POWER CONNECTOR |
| Contact Finish Mating | — | — | — | NOT SPECIFIED |
| Contact Finish Termination | — | — | — | Bright Tin (Sn) - with Nickel (Ni) barrier |
| Contact Material | — | — | — | NOT SPECIFIED |
| DIN Conformance | — | — | — | NO |
| IEC Conformance | — | — | — | NO |
| MIL Conformance | — | — | — | NO |
| Option | — | — | — | GENERAL PURPOSE |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for USB3503-I/ML — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for USB3503-I/ML 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 USB3503-I/ML 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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FAQ
What is equivalent to USB3503-I/ML?
Known equivalents for USB3503-I/ML include STM8S003K3T6C, CP2102-GMR, 0436500315. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of USB3503-I/ML?
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 USB3503-I/ML 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.