ATSAME51N20A-AUAlternatives & Equivalent Parts

About ATSAME51N20A-AU

ATSAME51N20A-AU is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat Packages 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	ATSAME51N20A-AUSource	ATSAME51J20A-AU	ATSAME54N19A-AU	ATSAMD51P20A-AU	ATSAMD51P19A-AU	ATSAME51N19A-AUT	ATSAME54P19A-AFT	FT2232HL-TRAY	ATSAME54N20A-AUT	ATSAMD51J19A-AUT
Manufacturer	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	FTDI Chip	Microchip	Microchip
Package Type	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages	Quad Flat Packages
Pin Count	100	64	100	128	128	100	128	64	100	64
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 ~ 125.0°C	—	-40.0°C ~ 85.0°C	-40.0°C ~ 85.0°C
Price	$6.7700	$3.7037	$5.7200	$6.7100	$4.6700	$5.7200	$7.3600	$4.3125	$6.2000	$4.6000
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	TQFP-100	TQFP-64	TQFP-100	TQFP-128	TQFP-128	TQFP-100	TQFP-128	—	TQFP-100	TQFP-64
Factory Lead Time	11 Weeks	1 Week	11 Weeks	11 Weeks	11 Weeks	11 Weeks	11 Weeks	—	11 Weeks	11 Weeks
YTEOL	18	20	18	18	18	18	20	6	18	18
Has ADC	YES	YES	YES	YES	YES	YES	YES	—	YES	YES
Bit Size	32	32	32	32	32	32	32	—	32	32
Boundary Scan	NO	NO	NO	NO	NO	NO	NO	—	NO	NO
CPU Family	CORTEX-M4F	CORTEX-M4F	CORTEX-M4F	CORTEX-M4F	CORTEX-M4F	CORTEX-M4F	CORTEX-M4F	—	CORTEX-M4F	CORTEX-M4F
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	YES	YES	YES	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	FLOATING POINT	FLOATING POINT	—	FLOATING POINT	FLOATING POINT
Integrated Cache	YES	YES	YES	YES	YES	YES	YES	—	YES	YES
JESD-30 Code	S-PQFP-G100	S-PQFP-G64	S-PQFP-G100	S-PQFP-G128	S-PQFP-G128	S-PQFP-G100	S-PQFP-G128	—	S-PQFP-G100	S-PQFP-G64
JESD-609 Code	e3	e3	e3	e3	e3	e3	e3	—	e3	e3
Low Power Mode	YES	YES	YES	YES	YES	YES	YES	—	YES	YES
Number of DMA Channels	32	32	32	32	32	32	32	—	32	32
Number of External Interrupts	16	16	16	16	16	16	16	—	16	16
Number of I/O Lines	81	51	81	99	99	81	99	—	81	51
Number of Timers	13	13	13	13	13	13	13	—	13	11
On Chip Data RAM Width	8	8	8	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
Package Body Material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	—	PLASTIC/EPOXY	PLASTIC/EPOXY
Package Shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	—	SQUARE	SQUARE
Package Style	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	—	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel)	260	—	—	—	—	260	—	260	—	260
RAM (bytes)	262144	262144	196608	262144	196608	196608	196608	—	262144	196608
RAM (words)	262144	262144	196608	262144	196608	196608	196608	—	262144	196608
ROM (words)	1048576	1048576	524288	1048576	524288	524288	524288	—	1048576	524288
ROM Programmability	FLASH	FLASH	FLASH	FLASH	FLASH	FLASH	FLASH	—	FLASH	FLASH
Screening Level	ISO/TS-16949	ISO/TS-16949	ISO/TS-16949	TS 16949	TS 16949	ISO/TS-16949	TS 16949	—	ISO/TS-16949	TS 16949
Speed	120 MHz	120 MHz	120 MHz	100 MHz	100 MHz	120 MHz	100 MHz	—	120 MHz	100 MHz
Supply Current-Max	360 mA	60 mA	360 mA	60 mA	60 mA	360 mA	360 mA	—	360 mA	60 mA
Supply Voltage-Max	3.63 V	3.63 V	3.63 V	3.63 V	3.63 V	3.63 V	3.63 V	—	3.63 V	3.63 V
Supply Voltage-Min	1.71 V	1.71 V	1.71 V	1.71 V	1.71 V	1.71 V	1.71 V	—	1.71 V	1.71 V
Supply Voltage-Nom	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	—	3.3 V	3.3 V
Surface Mount	YES	YES	YES	YES	YES	YES	YES	—	YES	YES
Technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	—	CMOS	CMOS
Temperature Grade	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	AUTOMOTIVE	—	INDUSTRIAL	INDUSTRIAL
Terminal Finish	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	—	Matte Tin (Sn)	Matte Tin (Sn)
Terminal Form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	—	GULL WING	GULL WING
Terminal Pitch	0.5 mm	0.5 mm	0.5 mm	0.4 mm	0.4 mm	0.5 mm	0.4 mm	—	0.5 mm	0.5 mm
Terminal Position	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	—	QUAD	QUAD
Time@Peak Reflow Temperature-Max (s)	30	—	—	—	—	30	—	40	—	30
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC	BUS CONTROLLER, UNIVERSAL SERIAL BUS	MICROCONTROLLER, RISC	MICROCONTROLLER, RISC
## ATSAME51J20A-AU Alternates Showing results	—	Image	—	—	—	—	—	—	—	—
## ATSAME54N19A-AU Alternates Showing results	—	—	Image	—	—	—	—	—	—	—
Number of Serial I/Os	—	—	—	10	10	—	—	—	—	8
Package Equivalence Code	—	—	—	TQFP128,.55SQ	TQFP128,.55SQ	—	TQFP128,.55SQ	—	—	TQFP64,.47SQ
## ATSAMD51P20A-AU Alternates Showing results	—	—	—	Image	—	—	—	—	—	—
## ATSAMD51P19A-AU Alternates Showing results	—	—	—	—	Image	—	—	—	—	—
## ATSAME51N19A-AUT Alternates Showing results	—	—	—	—	—	Image	—	—	—	—
## ATSAME54P19A-AFT Alternates Showing results	—	—	—	—	—	—	Image	—	—	—
Pbfree Code	—	—	—	—	—	—	—	Yes	—	—
Qualification Status	—	—	—	—	—	—	—	Not Qualified	—	—
## ATSAME54N20A-AUT Alternates Showing results	—	—	—	—	—	—	—	—	Image	—

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

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Why Look for Alternatives?

Finding alternatives for ATSAME51N20A-AU 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 ATSAME51N20A-AU 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 ATSAME51N20A-AU?

Known equivalents for ATSAME51N20A-AU include ATSAME51J20A-AU, ATSAME54N19A-AU, ATSAMD51P20A-AU. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of ATSAME51N20A-AU?

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 ATSAME51N20A-AU 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.