ATSAML11E15A-MFT Equivalent & Substitute Parts

Part Overview

The ATSAML11E15A-MFT is an ARM Cortex-M23 SAM L11 microcontroller IC manufactured by Microchip Technology. This 32-bit single-core device operates at 32MHz with 32KB FLASH memory and is housed in a 32-VQFN (5x5) surface mount package. The part is currently in active production status with full RoHS3 compliance and REACH unaffected certification. Substitute parts are identified when equivalent electrical and mechanical parameters align with the main device specifications, enabling direct functional replacement in applications where packaging and connectivity requirements match.

Key Parameters

Parameter	Value
Core Processor	ARM Cortex-M23
Core Size	32-Bit Single-Core
Speed	32MHz
Program Memory Size	32KB (32K x 8) FLASH
RAM Size	8K x 8
EEPROM Size	2K x 8
Voltage Supply Range	1.62V ~ 3.63V
Number of I/O	25
Package Type	32-VQFN (5x5) Exposed Pad
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

The ATSAML10E15A-MFT qualifies as a parametric equivalent based on the following alignment of critical electrical and mechanical parameters:

Matching Parameters:

Core processor architecture: ARM Cortex-M23
Core configuration: 32-Bit Single-Core
Operating frequency: 32MHz
Program memory capacity: 32KB FLASH
RAM capacity: 8K x 8
EEPROM capacity: 2K x 8
Supply voltage range: 1.62V ~ 3.63V
I/O count: 25 pins
Package form factor: 32-VQFN (5x5) with exposed pad
Operating temperature range: -40°C ~ 125°C
Connectivity interfaces: I2C, LINbus, SPI, UART/USART
Peripheral set: Brown-out Detect/Reset, DMA, POR, PWM, WDT
Data converter specifications: A/D 10x12b, D/A 1x10b
Oscillator type: Internal
Mounting technology: Surface Mount

The substitution is valid where packaging format differences (Tape & Reel for ATSAML11E15A-MFT versus Cut Tape & Digi-Reel for ATSAML10E15A-MFT) do not impact application requirements.

Parameter Comparison

Parameter	ATSAML11E15A-MFT	ATSAML10E15A-MFT
Manufacturer	Microchip Technology	Microchip Technology
Series	SAM L11	SAM L10
Core Processor	ARM Cortex-M23	ARM Cortex-M23
Core Size	32-Bit Single-Core	32-Bit Single-Core
Speed	32MHz	32MHz
Program Memory	32KB FLASH	32KB FLASH
RAM	8K x 8	8K x 8
EEPROM	2K x 8	2K x 8
Voltage Supply	1.62V ~ 3.63V	1.62V ~ 3.63V
Number of I/O	25	25
Connectivity	I2C, LINbus, SPI, UART/USART	I2C, LINbus, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, DMA, POR, PWM, WDT	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Data Converters	A/D 10x12b; D/A 1x10b	A/D 10x12b; D/A 1x10b
Oscillator Type	Internal	Internal
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C
Package Type	32-VQFN (5x5) Exposed Pad	32-VQFN (5x5) Exposed Pad
Mounting Type	Surface Mount	Surface Mount
Product Status	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both the ATSAML11E15A-MFT and ATSAML10E15A-MFT maintain active product status from Microchip Technology, ensuring continued manufacturing support and availability. Both devices carry identical RoHS3 compliance and REACH unaffected certifications, meeting regulatory requirements for industrial and commercial applications.

The primary distinction between these parts lies in packaging format. The ATSAML11E15A-MFT is supplied in Tape & Reel (TR) format, while the ATSAML10E15A-MFT is available in Cut Tape (CT) and Digi-Reel format. Selection between these variants depends on procurement volume and assembly line requirements rather than electrical performance or functional capability.

All electrical parameters, memory configurations, I/O specifications, and operating characteristics are identical. Both devices are suitable for applications requiring ARM Cortex-M23 architecture with 32KB FLASH memory, 8KB RAM, and 25 I/O pins operating across the 1.62V to 3.63V supply range.

Frequently Asked Questions (FAQ)

Q: Can ATSAML10E15A-MFT directly replace ATSAML11E15A-MFT in existing designs?

A: Yes. Both parts share identical electrical specifications, memory configurations, I/O pin counts, package dimensions (32-VQFN 5x5), and operating parameters. Direct substitution is valid from an electrical and functional standpoint.

Q: What is the difference between these two part numbers?

A: The parts belong to different SAM L series variants (L11 versus L10) and are supplied in different packaging formats. ATSAML11E15A-MFT uses Tape & Reel packaging, while ATSAML10E15A-MFT uses Cut Tape and Digi-Reel packaging. All functional and electrical parameters remain identical.

Q: Are there any compatibility concerns with PCB layout or footprint?

A: No. Both devices use the identical 32-VQFN (5x5) package with exposed pad. PCB footprints, solder pad layouts, and thermal management considerations are equivalent.

Q: Do both parts meet the same compliance standards?

A: Yes. Both ATSAML11E15A-MFT and ATSAML10E15A-MFT are RoHS3 compliant and REACH unaffected. Moisture sensitivity level (MSL) rating is 3 (168 Hours) for both devices.

Q: Which part should be selected for new designs?

A: Selection depends on procurement requirements. For high-volume production, Tape & Reel format (ATSAML11E15A-MFT) is typically preferred. For lower volumes or specific assembly line compatibility, Cut Tape format (ATSAML10E15A-MFT) may be more suitable. Electrical performance and functionality are identical.

Q: Are firmware or software changes required when switching between these parts?

A: No. Both devices implement the same ARM Cortex-M23 core architecture, memory organization, and peripheral set. Existing firmware and software require no modification.

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