ATMEGA168V-10AI Equivalent & Substitute Parts

Part Overview

The ATMEGA168V-10AI is an 8-bit AVR microcontroller manufactured by Microchip Technology, featuring 16KB FLASH program memory, 1KB RAM, and 512 bytes EEPROM. Operating at 10MHz with a supply voltage range of 1.8V to 5.5V, this device integrates 23 I/O pins, I2C/SPI/UART connectivity, and integrated peripherals including brown-out detection, power-on reset, PWM, and watchdog timer functionality in a 32-TQFP package.

The ATMEGA168V-10AI is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing design requirements, system maintenance, and production continuity where this component is specified.

Key Parameters

Parameter	Value
Core Processor	AVR
Core Size	8-Bit
Speed	10MHz
Program Memory Size	16KB (8K x 16)
Program Memory Type	FLASH
EEPROM Size	512 x 8
RAM Size	1K x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 5.5V
Number of I/O	23
Connectivity	I2C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Data Converters	A/D 8x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	32-TQFP
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitute parts for the ATMEGA168V-10AI are determined by equivalence across the following critical parameters:

Core processor architecture (AVR)
Core size (8-Bit)
Operating frequency (10MHz)
Program memory capacity and type (16KB FLASH)
Data memory configuration (1KB RAM, 512 bytes EEPROM)
Supply voltage range (1.8V ~ 5.5V)
I/O pin count (23)
Peripheral feature set (I2C, SPI, UART/USART, brown-out detection, PWM, WDT)
Package type and pin configuration (32-TQFP)
Mounting technology (Surface Mount)

Two substitute parts meet these criteria: ATMEGA168V-10AU and ATMEGA168PV-10AU. Both are manufactured by Microchip Technology and share identical electrical and functional specifications with the main part.

Parameter Comparison

Parameter	ATMEGA168V-10AI	ATMEGA168V-10AU	ATMEGA168PV-10AU
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology
Core Processor	AVR	AVR	AVR
Core Size	8-Bit	8-Bit	8-Bit
Speed	10MHz	10MHz	10MHz
Program Memory Size	16KB (8K x 16)	16KB (8K x 16)	16KB (8K x 16)
Program Memory Type	FLASH	FLASH	FLASH
EEPROM Size	512 x 8	512 x 8	512 x 8
RAM Size	1K x 8	1K x 8	1K x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 5.5V	1.8V ~ 5.5V	1.8V ~ 5.5V
Number of I/O	23	23	23
Connectivity	I2C, SPI, UART/USART	I2C, SPI, UART/USART	I2C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT
Data Converters	A/D 8x10b	A/D 8x10b	A/D 8x10b
Oscillator Type	Internal	Internal	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	32-TQFP	32-TQFP	32-TQFP
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	1 (Unlimited)	3 (168 Hours)

Engineering Selection Recommendations

Both ATMEGA168V-10AU and ATMEGA168PV-10AU provide functional equivalence to the ATMEGA168V-10AI across all electrical and mechanical parameters. Selection between these substitutes is determined by compliance and product lifecycle status:

ATMEGA168V-10AU is classified as active product status with ROHS3 compliance and MSL Level 1 (unlimited moisture exposure tolerance). This part is suitable for applications requiring current manufacturing support and enhanced environmental compliance.

ATMEGA168PV-10AU is classified as active product status with ROHS3 compliance and MSL Level 3 (168-hour moisture exposure tolerance). This part offers equivalent functionality with standard moisture sensitivity handling requirements.

The original ATMEGA168V-10AI is obsolete and RoHS non-compliant. Direct substitution with either active equivalent is appropriate for new designs and production continuity.

Frequently Asked Questions (FAQ)

Q: Are ATMEGA168V-10AU and ATMEGA168PV-10AU pin-for-pin compatible with ATMEGA168V-10AI?

A: Yes. All three parts share identical 32-TQFP package configuration, pin count (23 I/O), and functional pinout. Direct PCB substitution is supported without layout modification.

Q: What is the difference between ATMEGA168V-10AU and ATMEGA168PV-10AU?

A: Both parts are functionally equivalent across all electrical specifications. The primary differences are moisture sensitivity level (MSL 1 versus MSL 3) and programmable verification status. ATMEGA168V-10AU offers superior moisture tolerance for storage and handling.

Q: Can I use these substitutes in existing designs specified for ATMEGA168V-10AI?

A: Yes. Both substitute parts meet all electrical, functional, and package requirements of the original specification. No design changes are required.

Q: What is the significance of RoHS3 compliance on the substitute parts?

A: ROHS3 compliance indicates conformance to Restriction of Hazardous Substances regulations. The original ATMEGA168V-10AI is RoHS non-compliant. Both substitute parts are ROHS3 compliant, supporting regulatory requirements for new production.

Q: How do moisture sensitivity levels affect component handling?

A: MSL rating defines maximum exposure time to ambient moisture before reflow soldering. ATMEGA168V-10AU (MSL 1) has unlimited exposure tolerance. ATMEGA168PV-10AU (MSL 3) requires storage in controlled humidity and has 168-hour maximum exposure before baking is required.

Q: Are all three parts available in the same packaging format?

A: ATMEGA168V-10AI is supplied in tube packaging. ATMEGA168V-10AU and ATMEGA168PV-10AU are supplied in tray packaging. Both packaging formats are compatible with standard pick-and-place assembly equipment.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message