PIC18F4480T-I/PT Equivalent & Substitute Parts

Part Overview

The PIC18F4480T-I/PT is an 8-bit microcontroller from Microchip Technology's PIC® 18F series, designed for embedded applications requiring moderate processing capability and integrated connectivity. This device operates at 40MHz with 16KB of FLASH program memory and includes integrated peripherals for industrial and consumer applications. The part is currently in active production status with verified programmability through DiGi-Electronics channels. Substitute parts are identified based on identical core functionality, electrical specifications, and mechanical compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Core Processor	PIC
Core Size	8-Bit
Speed	40MHz
Program Memory Size	16KB (8K x 16)
Program Memory Type	FLASH
EEPROM Size	256 x 8
RAM Size	768 x 8
Number of I/O	36
Voltage Supply (Vcc/Vdd)	4.2V ~ 5.5V
Data Converters	A/D 11x10b
Connectivity	CANbus, I2C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	44-TQFP (10x10)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the PIC18F4480T-I/PT is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Identical core processor architecture (PIC)
Matching core size (8-Bit)
Identical clock speed (40MHz)
Identical program memory capacity (16KB FLASH)
Identical EEPROM and RAM sizes
Identical I/O count (36 pins)
Matching voltage supply range (4.2V ~ 5.5V)
Identical connectivity interfaces (CANbus, I2C, SPI, UART/USART)
Identical peripheral feature set

Mechanical Equivalence Criteria:

Identical package type (44-TQFP)
Identical package dimensions (10x10)
Surface mount mounting type
Identical pin configuration

Compliance Equivalence:

RoHS3 compliance status
Identical MSL rating (3)
Active product status

The only allowable variation is packaging format (Tape & Reel versus Tray), which does not affect electrical or mechanical compatibility.

Parameter Comparison

Parameter	PIC18F4480T-I/PT (Main)	PIC18F4480-I/PT (Substitute)
Manufacturer	Microchip Technology	Microchip Technology
Series	PIC® 18F	PIC® 18F
Core Processor	PIC	PIC
Core Size	8-Bit	8-Bit
Speed	40MHz	40MHz
Program Memory Size	16KB (8K x 16)	16KB (8K x 16)
Program Memory Type	FLASH	FLASH
EEPROM Size	256 x 8	256 x 8
RAM Size	768 x 8	768 x 8
Number of I/O	36	36
Voltage Supply (Vcc/Vdd)	4.2V ~ 5.5V	4.2V ~ 5.5V
Data Converters	A/D 11x10b	A/D 11x10b
Connectivity	CANbus, I2C, SPI, UART/USART	CANbus, I2C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, HLVD, POR, PWM, WDT	Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	44-TQFP (10x10)	44-TQFP (10x10)
Mounting Type	Surface Mount	Surface Mount
Packaging Format	Tape & Reel (TR)	Tray
Product Status	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both the PIC18F4480T-I/PT and PIC18F4480-I/PT are active production devices from Microchip Technology with identical electrical and mechanical specifications. Selection between these parts is determined by packaging and supply requirements:

PIC18F4480T-I/PT is supplied in Tape & Reel format, suitable for high-volume automated assembly operations where continuous reel feeding is required.

PIC18F4480-I/PT is supplied in Tray format, suitable for lower-volume production, manual assembly, or applications where reel handling infrastructure is not available.

Both parts maintain ROHS3 compliance and identical MSL ratings, ensuring equivalent reliability and environmental performance. The choice between these substitutes does not affect circuit design, firmware compatibility, or functional performance.

Frequently Asked Questions (FAQ)

Q: Can PIC18F4480-I/PT replace PIC18F4480T-I/PT in production?

A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (Tray versus Tape & Reel). Substitution is valid provided your assembly process can accommodate the Tray packaging format.

Q: Are there any firmware or software compatibility differences between these parts?

A: No. Both parts use identical PIC core architecture, memory configuration, and peripheral sets. Firmware compiled for one part operates identically on the substitute.

Q: What is the significance of the packaging format difference?

A: Tape & Reel (TR) packaging is optimized for automated pick-and-place assembly with continuous reel feeding. Tray packaging is used for manual handling or lower-volume assembly. The electrical and mechanical performance is identical.

Q: Do both parts have the same pin configuration?

A: Yes. Both parts use the 44-TQFP (10x10) package with identical pin assignments, voltage levels, and signal definitions.

Q: Are compliance certifications identical?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry identical MSL ratings (3, 168 Hours). Environmental and regulatory performance is equivalent.

Q: Can I mix these parts in the same production batch?

A: Yes, provided your assembly equipment can handle both packaging formats. The parts are functionally and electrically interchangeable.

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