STM32F103CBU6TRAlternatives & Equivalent Parts

About STM32F103CBU6TR

STM32F103CBU6TR is a Integrated Circuit component manufactured by STMicroelectronics. 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	STM32F103CBU6TRSource	STM32F411CCU6TR	STM32L476QGI6TR	M55-6021242R	PIC16F506-I/P	STM32F103VBI6TR	STM32F103RGT6TR	STM32F103VBT7TR	STM32F103RCT6TR	STM32F103VBI6	STM32F101RCT6TR
Manufacturer	STMicroelectronics	STMicroelectronics	STMicroelectronics	Harwin	Microchip	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Package Type	Quad Flat No-Lead	Quad Flat No-Lead	BGA	Other	Dual-In-Line Packages	BGA	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages	BGA	Quad Flat Packages
Pin Count	49	49	132	16	14	100	64	100	64	100	64
Temperature Range	—	-40.0°C ~ 85.0°C	-40.0°C ~ 85.0°C	-55.0°C ~ 125.0°C	-40.0°C ~ 85.0°C	-40.0°C ~ 85.0°C	-40.0°C ~ 85.0°C	—	-40.0°C ~ 85.0°C	-40.0°C ~ 85.0°C	-40.0°C ~ 85.0°C
Price	$3.5989	$2.7445	$5.1800	$1.3100	$0.2800	$2.8875	$7.1260	$5.3920	$4.6089	$5.0393	$3.9607
Stock	In Stock	In Stock	In Stock	In Stock	In Stock	In Stock	In Stock	In Stock	In Stock	In Stock	In Stock
Lifecycle	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE
Electrical Parameters
Factory Lead Time	13 Weeks	15 Weeks	12 Weeks	—	6 Weeks	13 Weeks	13 Weeks	13 Weeks	71 Weeks, 3 Days	13 Weeks	13 Weeks
YTEOL	9	9	9	8.75	8	9	9	9	9	9	9
Qualification Status	Not Qualified	—	—	—	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	—	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC
## STM32F103CBU6TR Alternates Showing results	Image	—	—	—	—	—	—	—	—	—	—
Has ADC	—	YES	YES	—	YES	YES	YES	—	YES	YES	YES
Bit Size	—	32	32	—	8	32	32	—	32	32	32
Boundary Scan	—	YES	YES	—	NO	—	YES	—	YES	—	NO
CPU Family	—	CORTEX-M4	CORTEX-M4	—	PIC16	CORTEX-M3	CORTEX-M3	—	CORTEX-M3	CORTEX-M3	CORTEX-M3
Clock Frequency-Max	—	26 MHz	48 MHz	—	20 MHz	16 MHz	16 MHz	—	16 MHz	16 MHz	16 MHz
DAC Channels	—	NO	YES	—	YES	—	YES	—	YES	—	YES
DMA Channels	—	YES	YES	—	NO	YES	YES	—	YES	YES	YES
Format	—	FLOATING POINT	FLOATING POINT	—	—	—	—	—	FIXED POINT	—	—
Integrated Cache	—	NO	NO	—	—	—	—	—	NO	—	—
JESD-30 Code	—	S-XQCC-N48	S-PBGA-B132	—	R-PDIP-T14	S-PBGA-B100	S-PQFP-G64	—	S-PQFP-G64	S-PBGA-B100	S-PQFP-G64
JESD-609 Code	—	e3	e2	e3	e3	—	e3	—	e3	e2	e3
Low Power Mode	—	YES	YES	—	—	—	—	—	YES	—	—
Number of External Interrupts	—	16	16	—	—	—	—	—	16	—	—
Number of I/O Lines	—	36	109	—	12	80	51	—	51	80	51
On Chip Data RAM Width	—	8	8	—	—	—	—	—	—	—	—
On Chip Program ROM Width	—	8	8	—	8	—	8	—	8	8	8
PWM Channels	—	YES	YES	—	NO	YES	YES	—	YES	YES	YES
Package Body Material	—	UNSPECIFIED	PLASTIC/EPOXY	—	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	—	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
Package Equivalence Code	—	LCC48,.27SQ,20	BGA132,12X12,20	—	DIP14,.3	BGA100,12X12,20	QFP64,.47SQ,20	—	QFP64,.47SQ,20	BGA100,12X12,20	QFP64,.47SQ,20
Package Shape	—	SQUARE	SQUARE	—	RECTANGULAR	SQUARE	SQUARE	—	SQUARE	SQUARE	SQUARE
Package Style	—	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	—	IN-LINE	GRID ARRAY, FINE PITCH	FLATPACK, LOW PROFILE, FINE PITCH	—	FLATPACK, LOW PROFILE, FINE PITCH	GRID ARRAY, FINE PITCH	FLATPACK, LOW PROFILE, FINE PITCH
Peak Reflow Temperature (Cel)	—	260	260	—	—	NOT SPECIFIED	260	—	260	260	260
RAM (bytes)	—	131072	131072	—	67	20480	98304	—	49152	20480	32768
RAM (words)	—	65536	65536	—	—	—	—	—	—	—	—
ROM (words)	—	262144	1048576	—	1536	131072	1048576	—	262144	131072	262144
ROM Programmability	—	FLASH	FLASH	—	FLASH	FLASH	FLASH	—	FLASH	FLASH	FLASH
Speed	—	100 MHz	80 MHz	—	20 MHz	72 MHz	72 MHz	—	72 MHz	72 MHz	36 MHz
Supply Current-Max	—	34.5 mA	—	—	2 mA	50 mA	68 mA	—	69 mA	50 mA	39 mA
Supply Voltage-Max	—	3.6 V	3.6 V	—	5.5 V	3.6 V	3.6 V	—	3.6 V	3.6 V	3.6 V
Supply Voltage-Min	—	3.3 V	1.8 V	—	5 V	2 V	3.3 V	—	3.3 V	2 V	3.3 V
Supply Voltage-Nom	—	3.3 V	1.8 V	—	5 V	3.3 V	3.3 V	—	3.3 V	3.3 V	3.3 V
Surface Mount	—	YES	YES	—	NO	YES	YES	—	YES	YES	YES
Technology	—	CMOS	CMOS	—	CMOS	CMOS	CMOS	—	CMOS	CMOS	CMOS
Temperature Grade	—	INDUSTRIAL	INDUSTRIAL	—	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	—	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal Finish	—	Matte Tin (Sn)	Tin/Silver (Sn/Ag)	—	Matte Tin (Sn)	—	Matte Tin (Sn)	—	Matte Tin (Sn)	Tin/Silver (Sn/Ag)	Matte Tin (Sn)
Terminal Form	—	NO LEAD	BALL	—	THROUGH-HOLE	BALL	GULL WING	—	GULL WING	BALL	GULL WING
Terminal Pitch	—	0.5 mm	0.5 mm	1.27 mm	2.54 mm	0.5 mm	0.5 mm	—	0.5 mm	0.5 mm	0.5 mm
Terminal Position	—	QUAD	BOTTOM	—	DUAL	BOTTOM	QUAD	—	QUAD	BOTTOM	QUAD
## STM32F411CCU6TR Alternates Showing results	—	Image	—	—	—	—	—	—	—	—	—
Address Bus Width	—	—	26	—	—	—	—	—	—	—	—
External Data Bus Width	—	—	16	—	—	—	—	—	—	—	—
Number of DMA Channels	—	—	14	—	—	—	—	—	12	—	—
Number of Timers	—	—	17	—	—	—	—	—	11	—	—
Time@Peak Reflow Temperature-Max (s)	—	—	NOT SPECIFIED	—	—	NOT SPECIFIED	30	—	30	—	30
## STM32L476QGI6TR Alternates Showing results	—	—	Image	—	—	—	—	—	—	—	—
Board Mounting Option	—	—	—	HOLE .064-.072	—	—	—	—	—	—	—
Body Breadth	—	—	—	0.165 inch	—	—	—	—	—	—	—
Body Depth	—	—	—	0.537 inch	—	—	—	—	—	—	—
Body Length	—	—	—	0.5 inch	—	—	—	—	—	—	—
Connector Type	—	—	—	BOARD STACKING CONNECTOR	—	—	—	—	—	—	—
Contact Finish Mating	—	—	—	NOT APPLICABLE	—	—	—	—	—	—	—
Contact Finish Termination	—	—	—	Tin (Sn) - with Nickel (Ni) barrier	—	—	—	—	—	—	—
Contact Gender	—	—	—	FEMALE	—	—	—	—	—	—	—
Contact Material	—	—	—	PHOSPHOR BRONZE	—	—	—	—	—	—	—
Contact Pattern	—	—	—	RECTANGULAR	—	—	—	—	—	—	—
Contact Resistance	—	—	—	25 mΩ	—	—	—	—	—	—	—
Contact Style	—	—	—	SQ PIN-SKT	—	—	—	—	—	—	—
Durability	—	—	—	500 Cycles	—	—	—	—	—	—	—
Filter Feature	—	—	—	NO	—	—	—	—	—	—	—
Insertion Force-Max	—	—	—	0.8 N	—	—	—	—	—	—	—
Insulation Resistance	—	—	—	10000000000 Ω	—	—	—	—	—	—	—
Insulator Material	—	—	—	LIQUID CRYSTAL POLYMER	—	—	—	—	—	—	—
Mating Contact Pitch	—	—	—	0.05 inch	—	—	—	—	—	—	—
Mating Contact Row Spacing	—	—	—	0.05 inch	—	—	—	—	—	—	—
Mixed Contacts	—	—	—	NO	—	—	—	—	—	—	—
Mounting Option 1	—	—	—	LOCKING	—	—	—	—	—	—	—
Mounting Style	—	—	—	STRAIGHT	—	—	—	—	—	—	—
Mounting Type	—	—	—	BOARD	—	—	—	—	—	—	—
Number Of Connectors	—	—	—	ONE	—	—	—	—	—	—	—
Number Of PCB Rows	—	—	—	2	—	—	—	—	—	—	—
Number of Rows Loaded	—	—	—	2	—	—	—	—	—	—	—
Option	—	—	—	GENERAL PURPOSE	—	—	—	—	—	—	—
PCB Contact Pattern	—	—	—	RECTANGULAR	—	—	—	—	—	—	—
PCB Contact Row Spacing	—	—	—	5.5 mm	—	—	—	—	—	—	—
Plating Thickness	—	—	—	0.98u inch	—	—	—	—	—	—	—
Rated Current (Signal)	—	—	—	1.2 A	—	—	—	—	—	—	—
Reference Standard	—	—	—	UL	—	—	—	—	—	—	—
Termination Type	—	—	—	SURFACE MOUNT	—	—	—	—	—	—	—
Total Number of Contacts	—	—	—	12	—	—	—	—	—	—	—
UL Flammability Code	—	—	—	94V-0	—	—	—	—	—	—	—
Withdrawl Force-Min	—	—	—	0.2 N	—	—	—	—	—	—	—
Pbfree Code	—	—	—	—	Yes	—	—	—	—	—	—
Manufacturer Package Code	—	—	—	—	PDIP-14	—	—	—	—	—	—
Additional Feature	—	—	—	—	ALSO OPERATES AT MINIMUM 2V AT 4MHZ	—	—	—	—	—	—
Screening Level	—	—	—	—	TS 16949	—	—	—	—	—	—
## PIC16F506-I/P Alternates Showing results	—	—	—	—	Image	—	—	—	—	—	—
## STM32F103VBT7TR Alternates Showing results	—	—	—	—	—	—	—	Image	—	—	—
## STM32F103RCT6TR Alternates Showing results	—	—	—	—	—	—	—	—	Image	—	—
## STM32F103VBI6 Alternates Showing results	—	—	—	—	—	—	—	—	—	Image	—

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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STM32F103VBI6TRby STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 72MHz, CMOS, PBGA100

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STM32F103RGT6TRby STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 72MHz, CMOS, PQFP64

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STM32F103VBT7TRby STMicroelectronics

RISC Microcontroller

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STM32F103RCT6TRby STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 72MHz, CMOS, PQFP64

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STM32F103VBI6by STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 72MHz, CMOS, PBGA100

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STM32F101RCT6TRby STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 36MHz, CMOS, PQFP64

View

Why Look for Alternatives?

Finding alternatives for STM32F103CBU6TR 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 STM32F103CBU6TR 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 STM32F103CBU6TR?

Known equivalents for STM32F103CBU6TR include STM32F411CCU6TR, STM32L476QGI6TR, M55-6021242R. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of STM32F103CBU6TR?

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 STM32F103CBU6TR 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.