STM32L451CCU3Alternatives & Equivalent Parts

About STM32L451CCU3

STM32L451CCU3 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	STM32L451CCU3Source	STM32L451CCU6	STM32L451CCU3TR	STM32L433CCU3	STM32L452CCU6	STM32L431CCU6	STM32L452CEU3	STM32L451CEU6	STM32L451CCU6TR	STM32L433CCU6
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	49	49	49	49	49	49	49	49	49	49
Temperature Range	-40.0°C ~ 125.0°C	-40.0°C ~ 85.0°C	-40.0°C ~ 125.0°C	-40.0°C ~ 125.0°C	-40.0°C ~ 85.0°C	-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
Price	$3.2700	$2.8101	$3.5150	$3.0137	$2.3595	$2.4213	$3.7672	$2.9000	$2.6326	$2.7181
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
Factory Lead Time	12 Weeks	12 Weeks	12 Weeks	12 Weeks	—	—	12 Weeks	12 Weeks	12 Weeks	12 Weeks
YTEOL	9	9	9	9	9	9	9	9	9	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	YES	NO
CPU Family	CORTEX-M4	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	YES	YES	YES	YES	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	FLOATING POINT	FLOATING POINT	—
Integrated Cache	NO	NO	YES	YES	NO	—	NO	YES	YES	—
JESD-30 Code	S-XQCC-N48	S-XQCC-N48	S-XQCC-N48	S-XQCC-N48	S-PQCC-N48	S-XQCC-N48	S-PQCC-N48	S-XQCC-N48	S-XQCC-N48	S-XQCC-N48
JESD-609 Code	e4	e4	—	—	e4	e3	e4	e3	—	e3
Low Power Mode	YES	YES	YES	YES	YES	—	YES	YES	YES	—
Number of DMA Channels	14	14	14	14	14	—	14	14	14	14
Number of External Interrupts	16	16	16	16	16	—	16	16	16	—
Number of I/O Lines	38	38	38	38	38	38	38	38	38	38
Number of Serial I/Os	5	5	—	6	6	—	6	6	—	—
Number of Timers	12	12	12	9	9	9	9	10	12	9
On Chip Data RAM Width	8	8	8	8	8	—	8	8	8	—
On Chip Program ROM Width	8	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	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Package Equivalence Code	LCC48,.28SQ,20	LCC48,.28SQ,20	LCC48,.27SQ,20	LCC48,.27SQ,20	LCC48,.27SQ,20	—	LCC48,.27SQ,20	LCC48,.27SQ,20	LCC48,.27SQ,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	—	—	260	260	260	260	—	260
RAM (bytes)	163840	163840	163840	65536	163840	65536	163840	163840	163840	65536
ROM (words)	262144	262144	262144	262144	262144	262144	524288	524288	262144	262144
ROM Programmability	FLASH	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	11.5 mA	10.5 mA	—	10.3 mA	10.5 mA	—	11.5 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	3.6 V
Supply Voltage-Min	1.71 V	3 V	1.71 V	1.71 V	1.71 V	3 V	1.71 V	1.8 V	1.8 V	1.8 V
Supply Voltage-Nom	3 V	3 V	1.8 V	3 V	3 V	3 V	3 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	CMOS	CMOS
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)	—	—	Nickel/Palladium/Gold (Ni/Pd/Au)	Tin (Sn)	Nickel/Palladium/Gold (Ni/Pd/Au)	Matte Tin (Sn)	—	Matte Tin (Sn) - annealed
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
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
RAM (words)	—	—	163840	—	—	—	—	—	163840	—
Temperature Grade	—	—	AUTOMOTIVE	—	—	INDUSTRIAL	—	—	INDUSTRIAL	INDUSTRIAL
Date Of Intro	—	—	—	—	2018-05-28	2018-05-25	2018-05-28	—	—	—
Manufacturer Package Code	—	—	—	—	—	UFQFPN 48 7x7x0.55	—	—	—	UFQFPN 48 7x7x0.55
Additional Feature	—	—	—	—	—	SEATED HGT-CALCULATED	—	—	—	ALSO OPERATES @ 1.08V TO 1.32 AT FULL FREQ RANGE
Time@Peak Reflow Temperature-Max (s)	—	—	—	—	—	30	—	—	—	—
Reach Compliance Code	—	—	—	—	—	—	—	Compliant	—	—

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