STM32L431KBU6Alternatives & Equivalent Parts

About STM32L431KBU6

STM32L431KBU6 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	STM32L431KBU6Source	STM32L431KCU6	STM32L431KBU3	STM32L432KBU6	STM32L431KBU6TR	STM32L412KBU6	STM32L432KCU6	STM32L422KBU6	STM32L442KCU6	STM32L431KCU6TR
Manufacturer	STMicroelectronics	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	Quad Flat No-Lead
Pin Count	33	33	33	33	33	33	33	33	33	33
Temperature Range	-40.0°C ~ 85.0°C	—	-40.0°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	-40.0°C ~ 85.0°C
Price	$1.7986	$2.1317	$2.2887	$2.0760	$1.8537	$1.5500	$2.2300	$1.8912	$2.5987	$2.1857
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
Electrical Parameters
Manufacturer Package Code	UFQFPN 32 5x5x0.55	UFQFPN 32 5x5x0.55	—	UFQFPN 32 5x5x0.55	—	—	UFQFPN 32 5x5x0.55	—	UFQFPN 32 5x5x0.55	—
Factory Lead Time	12 Weeks	—	12 Weeks	—	12 Weeks	—	—	12 Weeks	12 Weeks	12 Weeks
YTEOL	9	9	9	9	9	9	9	9	8	9
Has ADC	YES	YES	YES	YES	YES	YES	YES	YES	YES	YES
Bit Size	32	32	32	32	32	32	32	32	32	32
Boundary Scan	YES	—	YES	—	YES	YES	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	48 MHz
DAC Channels	YES	—	YES	YES	YES	NO	YES	NO	YES	YES
DMA Channels	YES	YES	YES	YES	YES	YES	YES	YES	YES	YES
Format	FLOATING POINT	—	FLOATING POINT	—	—	FLOATING-POINT	FLOATING-POINT	FLOATING POINT	FLOATING POINT	—
Integrated Cache	YES	—	YES	—	—	YES	YES	NO	YES	—
JESD-30 Code	S-XQCC-N32	—	S-PQCC-N32	S-XQCC-N32	S-XQCC-N32	S-XQCC-N32	S-XQCC-N32	S-XQCC-N32	S-XQCC-N32	S-XQCC-N32
JESD-609 Code	e3	e3	—	e3	e3	—	e3	—	—	e3
Low Power Mode	YES	—	YES	—	—	YES	YES	YES	YES	—
Number of DMA Channels	14	—	14	—	14	14	14	14	14	14
Number of External Interrupts	16	—	16	—	—	16	16	16	16	—
Number of I/O Lines	26	26	26	26	26	26	26	26	26	26
Number of Serial I/Os	4	—	4	—	—	3	3	3	5	—
Number of Timers	9	—	9	—	9	8	9	8	9	9
On Chip Data RAM Width	8	—	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	YES
Package Body Material	UNSPECIFIED	—	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Package Equivalence Code	LCC32,.2SQ,20	—	LCC32,.2SQ,20	—	—	LCC32,.2SQ,20	LCC32,.2SQ,20	LCC32,.2SQ,20	LCC32,.2SQ,20	—
Package Shape	SQUARE	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	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)	260	260	NOT SPECIFIED	260	260	260	260	260	—	260
RAM (bytes)	65536	—	65536	65536	65536	40960	65536	40960	65536	65536
ROM (words)	131072	—	131072	131072	131072	131072	262144	131072	262144	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	80 MHz
Supply Current-Max	100 mA	—	10.3 mA	—	—	7.8 mA	9.8 mA	8.4 mA	9.7 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	3.6 V
Supply Voltage-Min	1.8 V	1.8 V	1.71 V	1.8 V	1.8 V	1.8 V	1.8 V	1.8 V	1.8 V	1.8 V
Supply Voltage-Nom	1.8 V	3 V	3 V	1.8 V	1.8 V	1.8 V	1.8 V	1.8 V	1.8 V	1.8 V
Surface Mount	YES	YES	YES	YES	YES	YES	YES	YES	YES	YES
Technology	CMOS	—	CMOS	—	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature Grade	INDUSTRIAL	—	—	—	INDUSTRIAL	—	—	—	—	INDUSTRIAL
Terminal Finish	Matte Tin (Sn)	Matte Tin (Sn)	—	Matte Tin (Sn)	Matte Tin (Sn)	Tin (Sn) - immersion	Matte Tin (Sn) - annealed	Tin (Sn) - immersion	—	Matte Tin (Sn)
Terminal Form	NO LEAD	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	0.5 mm
Terminal Position	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD
Time@Peak Reflow Temperature-Max (s)	30	—	NOT SPECIFIED	—	—	—	—	—	—	—
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
Date Of Intro	—	—	—	2018-05-25	—	—	2018-05-25	—	—	—

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

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Quick Links

STM32L431KCU6by STMicroelectronics

RISC Microcontroller, 32-Bit, 80MHz

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STM32L431KBU3by STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC32

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STM32L432KBU6by STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz

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STM32L431KBU6TRby STMicroelectronics