PIN-TO-PIN ALTERNATIVE
GD32F103VET6 is a Chinese-manufactured pin-to-pin drop-in replacement for STM32F103VET6 (STMicroelectronics).
512 KB Flash in a 100-pin footprint, so it drops straight into existing STM32F103VE boards.
GD32F103VET6 — Alternative to STM32F103VET6
GD32F103VET6 from GigaDevice {BRAND} is supplied by JTDZ Tech (Shenzhen Jingteng Electronics) as a cost-effective, short-lead-time alternative to the imported STM32F103VET6 (STMicroelectronics). Chinese-sourced semiconductors have moved well beyond "cheap substitute" status: the parts below are production-validated in industrial, automotive and consumer designs, and they remove both the allocation risk and the long lead times that come with imported.
Cross-Reference: STM32F103VET6 vs GD32F103VET6
| imported | This part (Chinese alternative) | |
|---|---|---|
| Part number | STM32F103VET6 | GD32F103VET6 |
| Manufacturer | STMicroelectronics | GigaDevice {BRAND} |
| Package | LQFP-100 | LQFP-100 |
| Pin Count | 100 | |
| Compatibility | — | Pin-to-Pin drop-in replacement |
| Supply & lead time | Frequently allocated, long lead times | Domestic stock, short lead time |
| Description | Microcontrollers/MCUs, ARM Cortex-M3, 2.6 V - 3.6 V, LQFP-100 package. |
Key Specifications
| Core | ARM Cortex-M3 |
| Max frequency | 108 MHz |
| Flash | 512 KB |
| SRAM | 64 KB |
| Supply | 2.6 V - 3.6 V |
| Temperature | -40 C to +85 C |
| Package | LQFP-100, pin-to-pin with STM32F103VET6 |
What to check before substituting GD32F103VET6 for STM32F103VET6
- BOOT0 requires a 10 kOhm pull-down to GND.
- Keep the RC reset network in place.
- Same SWD drive-strength caveat as the rest of the GD32F103 family - short traces, lower clock.
- Verify I2C and SPI timing in your driver layer before volume production.
Typical Applications
- High pin-count industrial controllers
- Motor control and power conversion
- Instrumentation and HMI boards
- Legacy STM32F103 designs facing allocation
Looking for the part?
We also stock the imported — compare both before you decide: STM32F103VET6.
Why buy GD32F103VET6 from JTDZ Tech
- and new parts from GigaDevice {BRAND}, with traceable date codes
- MOQ 1 pc, tier pricing for volume and BOM kitting
- Cross-reference and substitution support: send us your BOM and we will confirm pin-to-pin compatibility before you commit
- X-ray, visual inspection and third-party lab testing supported on request
- Quote within 2 business hours; export shipping to India, Vietnam, the Middle East and worldwide
Need GD32F103VET6, or still prefer the STM32F103VET6? Send us your part list and target quantity — we will come back with pricing, stock and a compatibility confirmation within 2 business hours. Prices vary with quantity and market conditions, so the listed price is for reference only.
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.