STM32F103CBT6 Alternatives: 128 KB Flash MCU Guide
The same die, the same 48-pin footprint, twice the flash — and the firmware work most people forget before they swap.
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Interface, driver, and transceiver products identified by the audited product type values.
CH9101U - WCH Interface IC, SSOP-28
TMI9130C - TMI Interface IC, SOT-23-6
CYPD3174-16SXQT - Infineon Technologies USB/CAN IC, SOIC-16
CYPD6127-48LQXI - Infineon Technologies USB/CAN IC, QFN
TUSB2043VFR - Texas Instruments USB/CAN IC, LQFP-32
TUSB2040AN - Texas Instruments USB/CAN IC, LQFP-32
PI3USB31ZUAEX - DIODES Interface IC, TQFN-40
DIO3350BEN20 - dioo Interface IC, QFN-20
USB5742B/2GX01 - Microchip Technology USB/CAN IC, VQFN-56
HT42B564-1 - HOLTEK Interface IC, SOP-10
SL2.1s - CoreChips Interface IC, QFN-64
CYPD2122-20FNXIT - Infineon Technologies USB/CAN IC, CSP
RTS5411T-GR - Realtek Semiconductor Interface IC, QFN-76
CYPD3174-16SXQ - Infineon Technologies USB/CAN IC, SOIC
GL3224-OIY04 - Genesys Logic Interface IC, QFN-32-EP
CH334F - WCH Interface IC, QFN-24
RH792A - RONGHE Interface IC, SOT-23-6L
GL852G-HHY60 - Genesys Logic Interface IC, SSOP-28
CYPD5126-40LQXIT - Infineon Technologies USB/CAN IC, QFN
CYUSB3302-68LTXCT - Infineon Technologies USB/CAN IC, QFN
TUSB2040N - Texas Instruments USB/CAN IC, PDIP-28
CYPD2122-24LQXIT - Infineon Technologies USB/CAN IC, QFN
UCS4003-E/8N - Microchip Technology Interface IC, VQFN
GL857L-HHY20 - Genesys Logic Interface IC, SSOP-28-150MIL
Supply boundary
Product records help identify a manufacturer part number and technical family. A listed part may be fulfilled from Chip-seek warehouse-held stock or a reviewed sourcing channel. Source, quantity, packaging, date code, MOQ, price and lead time are confirmed before an order is accepted.
From the desk
Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
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