C8051F015 Equivalent & Substitute Parts

Part Overview

The C8051F015 is an 8-bit microcontroller from Silicon Labs' C8051F01x series, featuring a 25MHz 8051 core with 32KB FLASH program memory, 2.25K x 8 RAM, and integrated peripherals including SMBus, SPI, UART, PWM, and analog converters. The part is classified as Obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design considerations.

Key Parameters

Parameter	Value
Core Processor	8051
Core Size	8-Bit
Speed	25MHz
Program Memory Size	32KB (32K x 8)
Program Memory Type	FLASH
RAM Size	2.25K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 3.6V
Number of I/O	32
Connectivity	SMBus (2-Wire/I2C), SPI, UART/USART
Data Converters	A/D 8x10b; D/A 2x12b
Peripherals	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	64-TQFP (10x10)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution for the C8051F015 is based on electrical and mechanical parameter equivalence within the C8051F01x series. The primary substitute identified is the C8051F015-GQ, which maintains identical core specifications:

Key Parameters for Substitution Validity:

8051 core processor architecture
8-bit core size
25MHz operating speed
32KB FLASH program memory
2.25K x 8 RAM capacity
2.7V ~ 3.6V supply voltage range
32 I/O pins
SMBus, SPI, UART connectivity
A/D 8x10b and D/A 2x12b converters
64-TQFP (10x10) package footprint
Surface mount configuration

The C8051F015-GQ differs only in packaging format (Tray vs. standard packaging), product status classification, and compliance certifications, with no functional or electrical parameter deviations.

Parameter Comparison

Parameter	C8051F015	C8051F015-GQ
Manufacturer	Silicon Labs	Silicon Labs
Series	C8051F01x	C8051F01x
Core Processor	8051	8051
Core Size	8-Bit	8-Bit
Speed	25MHz	25MHz
Program Memory Size	32KB (32K x 8)	32KB (32K x 8)
Program Memory Type	FLASH	FLASH
RAM Size	2.25K x 8	2.25K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 3.6V	2.7V ~ 3.6V
Number of I/O	32	32
Connectivity	SMBus (2-Wire/I2C), SPI, UART/USART	SMBus (2-Wire/I2C), SPI, UART/USART
Data Converters	A/D 8x10b; D/A 2x12b	A/D 8x10b; D/A 2x12b
Peripherals	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	64-TQFP (10x10)	64-TQFP (10x10)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Not For New Designs
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging Format	Standard	Tray

Engineering Selection Recommendations

The C8051F015-GQ serves as a direct functional substitute for the C8051F015, with identical electrical and mechanical specifications. Selection between these parts should be based on the following criteria:

For Existing Designs: The C8051F015-GQ maintains full compatibility with existing C8051F015 implementations, requiring no circuit modifications or firmware changes.

For Compliance Requirements: The C8051F015-GQ carries ROHS3 compliance certification, whereas the C8051F015 is RoHS non-compliant. Applications subject to RoHS regulations should transition to the C8051F015-GQ.

For New Designs: Both parts carry legacy status classifications (Obsolete and Not For New Designs respectively). New designs should evaluate alternative microcontroller solutions from current product lines.

For Supply Chain Continuity: The C8051F015-GQ offers improved availability and supply chain support compared to the obsolete C8051F015.

Frequently Asked Questions (FAQ)

Q: Can C8051F015-GQ replace C8051F015 in existing PCB designs? A: Yes. The C8051F015-GQ is pin-compatible and functionally identical to the C8051F015. No PCB modifications are required for direct substitution.

Q: What is the difference between C8051F015 and C8051F015-GQ? A: The parts are electrically and functionally equivalent. Differences exist only in packaging format (Tray for -GQ variant), product status classification, and RoHS compliance certification (ROHS3 for -GQ).

Q: Are there firmware compatibility concerns when switching from C8051F015 to C8051F015-GQ? A: No. Both parts implement identical 8051 core architecture, memory configuration, and peripheral sets. Existing firmware requires no modification.

Q: What does "Not For New Designs" mean for the C8051F015-GQ? A: This classification indicates the part is in legacy status and may have limited long-term availability. While suitable for replacement and repair applications, new product designs should consider current-generation alternatives.

Q: Is the 64-TQFP package footprint identical between both parts? A: Yes. Both C8051F015 and C8051F015-GQ use the 64-TQFP (10x10) package with identical pin assignments and mechanical dimensions.

Q: What supply voltage range do these microcontrollers support? A: Both parts operate within 2.7V to 3.6V supply voltage range, suitable for low-power and battery-powered applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message