ATSAML11E16A-AUT Equivalent & Substitute Parts

Part Overview

The ATSAML11E16A-AUT is an ARM Cortex-M23 SAM L11 microcontroller IC featuring 32-bit single-core architecture, 64KB FLASH memory, and 32MHz operation in a 32-TQFP surface mount package. This device is actively produced and widely used in embedded applications requiring low-power operation with integrated connectivity interfaces. Substitute parts are identified to provide design flexibility, inventory alternatives, and packaging options while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Core Processor	ARM Cortex-M23
Core Size	32-Bit Single-Core
Speed	32MHz
Program Memory Size	64KB (64K x 8) FLASH
RAM Size	16K x 8
EEPROM Size	2K x 8
Voltage Supply Range	1.62V ~ 3.63V
Number of I/O	25
Package Type	32-TQFP (7x7)
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the ATSAML11E16A-AUT is determined by strict equivalence across the following critical parameters:

Processor Architecture: ARM Cortex-M23 core
Memory Configuration: 64KB FLASH, 16KB RAM, 2KB EEPROM
Clock Speed: 32MHz operation
I/O Count: 25 I/O pins
Package: 32-TQFP (7x7) form factor
Voltage Range: 1.62V ~ 3.63V supply compatibility
Connectivity Interfaces: I2C, LINbus, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
Data Converters: A/D 10x12-bit, D/A 1x10-bit

The ATSAML10E16A-AUT meets all electrical and mechanical substitution criteria. The primary difference is series designation (SAM L10 versus SAM L11) and packaging format (Tape & Reel versus Cut Tape), which do not affect functional compatibility in circuit design.

Parameter Comparison

Parameter	ATSAML11E16A-AUT	ATSAML10E16A-AUT	Match
Manufacturer	Microchip Technology	Microchip Technology	✓
Core Processor	ARM Cortex-M23	ARM Cortex-M23	✓
Core Size	32-Bit Single-Core	32-Bit Single-Core	✓
Speed	32MHz	32MHz	✓
Program Memory	64KB FLASH	64KB FLASH	✓
RAM Size	16K x 8	16K x 8	✓
EEPROM Size	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	✓
Package Type	32-TQFP (7x7)	32-TQFP (7x7)	✓
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	✓
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	✓
Packaging Format	Cut Tape (CT)	Tape & Reel (TR)	Different

Engineering Selection Recommendations

Both the ATSAML11E16A-AUT and ATSAML10E16A-AUT are active production devices from Microchip Technology with identical electrical specifications and pin compatibility. Selection between these parts should be based on:

Packaging Requirements: The ATSAML11E16A-AUT is supplied in Cut Tape format, suitable for lower-volume applications and manual assembly. The ATSAML10E16A-AUT is supplied in Tape & Reel format, optimized for high-volume automated assembly processes.

Compliance: Both devices meet ROHS3 compliance, REACH unaffected status, and identical moisture sensitivity levels (MSL 3, 168 hours). Both are suitable for applications requiring regulatory compliance in industrial, automotive, and consumer electronics sectors.

Inventory Availability: Selection may be influenced by stock levels and lead times from your supplier.

Frequently Asked Questions (FAQ)

Q: Can ATSAML10E16A-AUT replace ATSAML11E16A-AUT in existing designs?

A: Yes. Both devices are electrically and mechanically identical. Pin configuration, memory organization, clock speed, voltage requirements, and peripheral functionality are equivalent. No circuit modifications are required.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) packaging provides individual component strips suitable for manual pick-and-place or low-volume assembly. Tape & Reel (TR) packaging provides continuous reels optimized for automated high-speed assembly equipment. Both formats contain identical components; packaging format does not affect electrical performance.

Q: Are there any firmware or software compatibility issues when switching between these parts?

A: No. Both devices use the same ARM Cortex-M23 architecture, identical memory configuration, and equivalent peripheral sets. Firmware compiled for one device operates identically on the other without modification.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both ATSAML11E16A-AUT and ATSAML10E16A-AUT are ROHS3 compliant, REACH unaffected, and carry identical MSL ratings. Both are suitable for applications requiring equivalent regulatory compliance.

Q: What factors should determine which part to select?

A: Primary selection criteria are packaging format (Cut Tape versus Tape & Reel based on assembly process), inventory availability, and lead time from your component supplier. Electrical and mechanical performance are identical.

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