ATMEGA48V-10PI Equivalent & Substitute Parts

Part Overview

The ATMEGA48V-10PI is an 8-bit AVR microcontroller manufactured by Microchip Technology, featuring 4KB of FLASH program memory, 512 bytes of RAM, and 256 bytes of EEPROM. This device operates at 10MHz with a supply voltage range of 1.8V to 5.5V and includes integrated peripherals such as I2C, SPI, UART/USART connectivity, brown-out detection, PWM, and watchdog timer functionality. The part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Core Processor	AVR
Core Size	8-Bit
Speed	10MHz
Program Memory Size	4KB (2K x 16)
Program Memory Type	FLASH
RAM Size	512 x 8
EEPROM Size	256 x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 5.5V
Number of I/O	23
Data Converters	A/D 6x10b
Connectivity	I2C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Through Hole
Package / Case	28-DIP (0.300", 7.62mm)

Substitute Part Grouping Explanation

Substitution of the ATMEGA48V-10PI is determined by strict equivalence across the following critical parameters:

Core Architecture: AVR processor family
Memory Configuration: 4KB FLASH, 512 bytes RAM, 256 bytes EEPROM
Operating Frequency: 10MHz
Supply Voltage Range: 1.8V ~ 5.5V
I/O Count: 23 pins
Peripheral Set: I2C, SPI, UART/USART, brown-out detection, PWM, watchdog timer
Package Type: 28-DIP through-hole configuration
Data Conversion: 6-channel 10-bit analog-to-digital converter

The ATMEGA48PV-10PU meets all specified parameters and qualifies as a parametric equivalent. Both parts share identical core functionality, memory architecture, and electrical characteristics. The primary distinction is product status: ATMEGA48V-10PI is obsolete, while ATMEGA48PV-10PU maintains active production status.

Parameter Comparison

Parameter	ATMEGA48V-10PI	ATMEGA48PV-10PU
Manufacturer	Microchip Technology	Atmel
Core Processor	AVR	AVR
Core Size	8-Bit	8-Bit
Speed	10MHz	10MHz
Program Memory Size	4KB (2K x 16)	4KB (2K x 16)
Program Memory Type	FLASH	FLASH
RAM Size	512 x 8	512 x 8
EEPROM Size	256 x 8	256 x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 5.5V	1.8V ~ 5.5V
Number of I/O	23	23
Data Converters	A/D 6x10b	A/D 6x10b
Connectivity	I2C, SPI, UART/USART	I2C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Mounting Type	Through Hole	Through Hole
Package / Case	28-DIP (0.300", 7.62mm)	28-DIP (0.300", 7.62mm)
Product Status	Obsolete	Active
ECCN	EAR99	EAR99
HTSUS	8542.31.0001	8542.31.0001

Engineering Selection Recommendations

The ATMEGA48PV-10PU is the direct substitute for ATMEGA48V-10PI applications. Both parts are classified under identical ECCN (EAR99) and HTSUS (8542.31.0001) codes, confirming regulatory equivalence. The ATMEGA48PV-10PU maintains active product status, ensuring continued availability and manufacturing support, whereas the ATMEGA48V-10PI is obsolete.

Selection of ATMEGA48PV-10PU is appropriate for new designs, production restocking, and legacy system maintenance where ATMEGA48V-10PI components are no longer available. The electrical and functional characteristics are identical, supporting direct pin-for-pin replacement in 28-DIP through-hole applications.

Frequently Asked Questions (FAQ)

Q: Can ATMEGA48PV-10PU replace ATMEGA48V-10PI in existing designs?

A: Yes. Both parts are parametrically equivalent across all critical specifications: 8-bit AVR core, 10MHz operation, 4KB FLASH memory, 512 bytes RAM, 256 bytes EEPROM, 23 I/O pins, identical peripheral set, and 28-DIP package. Direct substitution is supported.

Q: What is the primary difference between these parts?

A: Product status. ATMEGA48V-10PI is obsolete; ATMEGA48PV-10PU is active production. Both are manufactured by Microchip Technology (Atmel brand) and share identical electrical and functional characteristics.

Q: Are there any package or pinout differences?

A: No. Both parts use the 28-DIP (0.300", 7.62mm) through-hole package with identical pinout and 23 I/O pins.

Q: Do these parts have the same supply voltage requirements?

A: Yes. Both operate across 1.8V to 5.5V supply voltage range, supporting identical power supply designs and circuit configurations.

Q: Are there compliance or regulatory differences?

A: No. Both parts share identical ECCN (EAR99) and HTSUS (8542.31.0001) classifications, confirming regulatory equivalence for export and trade purposes.

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