S9S12VR48F2CLF Equivalent & Substitute Parts

Part Overview

The S9S12VR48F2CLF is a 16-bit embedded microcontroller from NXP USA Inc. belonging to the S12 MagniV series. This device integrates a 12V1 core processor operating at 25MHz with 48KB FLASH program memory, 512 bytes EEPROM, and 2KB RAM. The microcontroller features integrated connectivity options including IrDA, LINbus, SCI, and SPI interfaces, along with peripheral functions such as LVD, POR, PWM, and WDT. The part is packaged in a 48-LQFP (7x7mm) surface mount configuration with 28 I/O pins and operates across a supply voltage range of 3.13V to 5.5V.

The S9S12VR48F2CLF is classified as obsolete. Identifying equivalent substitute parts is necessary to support legacy system maintenance, design updates, and procurement continuity when original inventory becomes unavailable.

Key Parameters

Parameter	Value
Core Processor	12V1
Core Size	16-Bit
Speed	25MHz
Program Memory Size	48KB (48K x 8)
Program Memory Type	FLASH
EEPROM Size	512 x 8
RAM Size	2K x 8
Voltage - Supply (Vcc/Vdd)	3.13V ~ 5.5V
Number of I/O	28
Connectivity	IrDA, LINbus, SCI, SPI
Peripherals	LVD, POR, PWM, WDT
Data Converters	A/D 6x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	48-LQFP (7x7)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the S9S12VR48F2CLF is determined by strict parametric equivalence across core functional and physical attributes. The following parameters must match identically to establish a valid substitute relationship:

Core Processor: 12V1
Core Size: 16-Bit
Speed: 25MHz
Program Memory Size: 48KB (48K x 8)
Program Memory Type: FLASH
EEPROM Size: 512 x 8
RAM Size: 2K x 8
Voltage - Supply (Vcc/Vdd): 3.13V ~ 5.5V
Number of I/O: 28
Connectivity: IrDA, LINbus, SCI, SPI
Peripherals: LVD, POR, PWM, WDT
Data Converters: A/D 6x10b
Oscillator Type: Internal
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 48-LQFP (7x7)

Packaging configuration and product status may differ between the main part and substitutes without affecting functional compatibility, provided all electrical and mechanical parameters remain identical.

Parameter Comparison

Parameter	S9S12VR48F2CLF	S9S12VR48AF0CLF
Manufacturer	NXP USA Inc.	NXP USA Inc.
Series	S12 MagniV	S12 MagniV
Core Processor	12V1	12V1
Core Size	16-Bit	16-Bit
Speed	25MHz	25MHz
Program Memory Size	48KB (48K x 8)	48KB (48K x 8)
Program Memory Type	FLASH	FLASH
EEPROM Size	512 x 8	512 x 8
RAM Size	2K x 8	2K x 8
Voltage - Supply (Vcc/Vdd)	3.13V ~ 5.5V	3.13V ~ 5.5V
Number of I/O	28	28
Connectivity	IrDA, LINbus, SCI, SPI	IrDA, LINbus, SCI, SPI
Peripherals	LVD, POR, PWM, WDT	LVD, POR, PWM, WDT
Data Converters	A/D 6x10b	A/D 6x10b
Oscillator Type	Internal	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Surface Mount
Package / Case	48-LQFP (7x7)	48-LQFP (7x7)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active
Packaging Configuration	Not specified	Tray

Engineering Selection Recommendations

The S9S12VR48AF0CLF is a parametrically equivalent substitute for the S9S12VR48F2CLF. All electrical specifications, memory configurations, peripheral interfaces, and physical package dimensions are identical between the two parts.

The primary distinction is product status: the S9S12VR48F2CLF is classified as obsolete, while the S9S12VR48AF0CLF maintains active status. Both parts carry ROHS3 compliance and identical moisture sensitivity ratings, ensuring regulatory and environmental consistency.

The S9S12VR48AF0CLF is supplied in Tray packaging, whereas the original part packaging configuration is not specified. Both parts are manufactured by NXP USA Inc. and belong to the S12 MagniV microcontroller series.

Frequently Asked Questions (FAQ)

Q: What makes S9S12VR48AF0CLF a valid substitute for S9S12VR48F2CLF?

A: The S9S12VR48AF0CLF matches all critical electrical and mechanical parameters of the S9S12VR48F2CLF, including processor core, clock speed, memory configuration (48KB FLASH, 512 bytes EEPROM, 2KB RAM), I/O count, connectivity interfaces, and 48-LQFP package dimensions. Functional compatibility is established through parametric equivalence.

Q: Are there differences in compliance or certifications between these parts?

A: Both parts carry identical ROHS3 compliance status and Moisture Sensitivity Level (MSL) ratings of 3 (168 Hours). No compliance or certification differences exist between the two devices.

Q: Does the packaging configuration affect compatibility?

A: Packaging configuration (Tray versus unspecified) does not affect electrical or functional compatibility. The physical package type—48-LQFP (7x7mm)—remains identical, ensuring PCB footprint and mounting compatibility.

Q: Why is the S9S12VR48F2CLF classified as obsolete?

A: Product status reflects manufacturer lifecycle classification. The S9S12VR48AF0CLF maintains active status and represents the current production equivalent for this microcontroller specification.

Q: Can I use S9S12VR48AF0CLF as a direct replacement in existing designs?

A: Yes. The S9S12VR48AF0CLF is a direct parametric equivalent. No design modifications are required for pin assignment, electrical characteristics, or functional operation. Firmware and software compatibility remains unchanged.

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