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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Microcontroller and processor products identified by the audited product type values.
T20F400C3 - EFINIX, FBGA-400
NG80960JF3V33 - Rochester Electronics
AG10KL144 - AGM, LQFP-144
AM1806BZWTD4 Texas Instruments-Microprocessors, 361-NFBGA
IS80C88 - HARRIS Microprocessors, PLCC-44-16-58X16-58
CY8CTMA375-LQI-03 - Cypress Semiconductor, QFN
GAL20V8QS-25QVI - Texas Instruments, PLCC-28-11-43X11-43
SAF7751HN/N207WK - NXP Semiconductors, LQFP-176
CY8CTMA500-48LQI - Cypress Semiconductor, QFN-48
GAL20V8QS-25QVC - Texas Instruments, QCCJ
KCU8280CVVUPEA - NXP Semiconductors, LBGA-480
M37451RSS - Renesas Electronics, DIP-64
EPS448PC-16 - Intel, PDIP-28
FR8016HD - Freqchip, QFN-32
CY8CTMA463-44LQI - Cypress Semiconductor, TRAY
TMS99532ANL - Texas Instruments, PDIP18
MSC7121ZQF - NXP Semiconductors, LQFP
SOM-6872VC-U1A1 - Advantech, Non-IC
AM1705DPTP4 - Texas Instruments, HLQFP-176 (24×24 mm)
AM4372BZDN60 - Texas Instruments, NFBGA-491 (ZDN)
TMS32C6416EGLZ7E3 - Texas Instruments, FCBGA-532 (GLZ)
VCBUP7CCUT6 - Texas Instruments, FCBGA-529
DM3730CBC100 - Texas Instruments, FCCSP-515 (CBC)
SM320C6472EGTZA6 - Texas Instruments, FCBGA-737 (GTZ)
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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