STM32L431CBU6Alternatives & Equivalent Parts

About STM32L431CBU6

STM32L431CBU6 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.

Need pricing on these alternatives?

Get one quote covering all 8 alternatives for STM32L431CBU6 — response within 24 hours.

Specification Comparison

Parameter	STM32L431CBU6Source	STM32L431CCU6	STM32L431CBU6TR	STM32L412CBU6	STM32L433CCU6	STM32L422CBU6	STM32L451CCU6	STM32L451CEU6	STM32L431CCU6TR
Manufacturer	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Package Type	Quad Flat No-Lead	Quad Flat No-Lead	Quad Flat No-Lead	Quad Flat No-Lead	Quad Flat No-Lead	Quad Flat No-Lead	Quad Flat No-Lead	Quad Flat No-Lead	Quad Flat No-Lead
Pin Count	49	49	49	49	49	49	49	49	49
Temperature Range	-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	-40.0°C ~ 85.0°C	-40.0°C ~ 85.0°C	-40.0°C ~ 85.0°C
Price	$1.9850	$2.4213	$2.0928	$1.8470	$2.7181	$1.8898	$2.8101	$2.9000	$2.2148
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
Electrical Parameters
Manufacturer Package Code	UFQFPN 48 7x7x0.55	UFQFPN 48 7x7x0.55	—	—	UFQFPN 48 7x7x0.55	—	—	—	—
YTEOL	9	9	9	9	9	9	9	9	9
Has ADC	YES	YES	YES	YES	YES	YES	YES	YES	YES
Bit Size	32	32	32	32	32	32	32	32	32
Boundary Scan	YES	YES	YES	YES	NO	YES	YES	YES	YES
CPU Family	CORTEX-M4	CORTEX-M4	CORTEX-M4	CORTEX-M4	CORTEX-M4	CORTEX-M4	CORTEX-M4	CORTEX-M4	CORTEX-M4
Clock Frequency-Max	48 MHz	48 MHz	48 MHz	48 MHz	48 MHz	48 MHz	48 MHz	48 MHz	48 MHz
DAC Channels	YES	YES	YES	NO	YES	NO	YES	YES	YES
DMA Channels	YES	YES	YES	YES	YES	YES	YES	YES	YES
Format	FLOATING POINT	—	—	FLOATING POINT	—	FLOATING POINT	FLOATING POINT	FLOATING POINT	—
Integrated Cache	YES	—	—	NO	—	YES	NO	YES	—
JESD-30 Code	S-PQCC-N48	S-XQCC-N48	S-XQCC-N48	S-PQCC-N48	S-XQCC-N48	S-XQCC-N48	S-XQCC-N48	S-XQCC-N48	S-XQCC-N48
Low Power Mode	YES	—	—	YES	—	YES	YES	YES	—
Number of DMA Channels	14	—	14	14	14	14	14	14	—
Number of External Interrupts	16	—	—	16	—	16	16	16	—
Number of I/O Lines	38	38	38	38	38	38	38	38	38
Number of Serial I/Os	5	—	—	4	—	4	5	6	—
Number of Timers	9	9	9	8	9	11	12	10	9
On Chip Data RAM Width	8	—	—	8	—	8	8	8	—
On Chip Program ROM Width	8	8	8	8	8	8	8	8	8
PWM Channels	YES	YES	YES	YES	YES	YES	YES	YES	YES
Package Body Material	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Package Equivalence Code	LCC48,.27SQ,20	—	—	LCC48,.27SQ,20	—	LCC48,.27SQ,20	LCC48,.28SQ,20	LCC48,.27SQ,20	—
Package Shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package Style	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)	NOT SPECIFIED	260	—	NOT SPECIFIED	260	—	260	260	260
RAM (bytes)	65536	65536	65536	40960	65536	40960	163840	163840	65536
ROM (words)	131072	262144	131072	131072	262144	131072	262144	524288	262144
ROM Programmability	FLASH	FLASH	FLASH	FLASH	FLASH	FLASH	FLASH	FLASH	FLASH
Speed	80 MHz	80 MHz	80 MHz	80 MHz	80 MHz	80 MHz	80 MHz	80 MHz	80 MHz
Supply Current-Max	9.8 mA	—	—	8.4 mA	—	8.4 mA	10.5 mA	10.5 mA	—
Supply Voltage-Max	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
Supply Voltage-Min	1.71 V	3 V	1.8 V	1.71 V	1.8 V	3 V	3 V	1.8 V	3 V
Supply Voltage-Nom	3 V	3 V	1.8 V	3 V	1.8 V	3 V	3 V	1.8 V	3 V
Surface Mount	YES	YES	YES	YES	YES	YES	YES	YES	YES
Technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Terminal Form	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal Pitch	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal Position	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED	30	—	NOT SPECIFIED	—	—	—	—	30
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC
Date Of Intro	—	2018-05-25	—	—	—	—	—	—	—
Additional Feature	—	SEATED HGT-CALCULATED	—	—	ALSO OPERATES @ 1.08V TO 1.32 AT FULL FREQ RANGE	—	—	—	SEATED HGT-CALCULATED
JESD-609 Code	—	e3	—	—	e3	—	e4	e3	e3
Temperature Grade	—	INDUSTRIAL	INDUSTRIAL	—	INDUSTRIAL	—	—	—	INDUSTRIAL
Terminal Finish	—	Tin (Sn)	—	—	Matte Tin (Sn) - annealed	—	Nickel/Palladium/Gold (Ni/Pd/Au)	Matte Tin (Sn)	Tin (Sn)
Factory Lead Time	—	—	12 Weeks	—	12 Weeks	12 Weeks	12 Weeks	12 Weeks	12 Weeks
Reach Compliance Code	—	—	—	Compliant	—	—	—	Compliant	—

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