MPC9331ACR2 Equivalent & Substitute Parts

Part Overview

The MPC9331ACR2 is a PLL Clock Generator IC manufactured by Renesas Electronics Corporation, designed for 240MHz clock generation applications in 32-LQFP surface mount packaging. This component features PLL functionality with bypass capability, supporting LVCMOS and LVPECL input formats with LVCMOS output. The MPC9331ACR2 is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Category	Clock/Timing
Type	PLL Clock Generator
Frequency - Max	240MHz
PLL with Bypass	Yes
Input Formats	LVCMOS, LVPECL
Output Format	LVCMOS
Voltage - Supply	3.135V ~ 3.465V
Operating Temperature	0°C ~ 70°C
Package / Case	32-LQFP
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

The 8T49N285A-999NLGI8 qualifies as a functional substitute based on the following criteria:

Common Electrical Characteristics:

PLL with Bypass capability present in both devices
LVCMOS input support maintained
LVPECL input support maintained
Surface mount technology compatibility
Renesas Electronics Corporation manufacture

Substitution Logic: The 8T49N285A-999NLGI8 operates at higher maximum frequency (1GHz versus 240MHz), broader supply voltage range (2.375V ~ 3.465V versus 3.135V ~ 3.465V), and extended operating temperature range (-40°C ~ 85°C versus 0°C ~ 70°C). These parameters represent functional superset capabilities. The substitute part accepts the same input signal formats and provides compatible output signaling. Package differences (56-VFQFN versus 32-LQFP) require PCB layout redesign but do not affect electrical substitution validity.

Parameter Comparison

Parameter	MPC9331ACR2	8T49N285A-999NLGI8
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation
Category	Clock/Timing	Clock/Timing
Type	PLL Clock Generator	IC Translator Universal Frequency
PLL with Bypass	Yes	Yes
Input Formats	LVCMOS, LVPECL	HCSL, LVCMOS, LVDSM, LVHSTL, LVPECL, Crystal
Output Format	LVCMOS	HSCL, LVCMOS, LVDS, LVPECL
Frequency - Max	240MHz	1GHz
Voltage - Supply	3.135V ~ 3.465V	2.375V ~ 3.465V
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	32-LQFP	56-VFQFN Exposed Pad
Product Status	Obsolete	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Engineering Selection Recommendations

The 8T49N285A-999NLGI8 is the designated substitute for the obsolete MPC9331ACR2. Selection of this alternative is supported by:

Product Status: The substitute part maintains Active status, ensuring continued availability and manufacturer support, whereas the original part is Obsolete.

Compliance Alignment: Both parts share identical REACH and ECCN classifications (REACH Unaffected, EAR99), maintaining regulatory compliance equivalence.

Functional Superset: The substitute part provides expanded capabilities including higher frequency operation (1GHz), broader supply voltage tolerance, and extended temperature range, making it suitable for applications currently using the MPC9331ACR2 within its original operating parameters.

Packaging Consideration: The transition from 32-LQFP to 56-VFQFN requires circuit board redesign. The substitute part's exposed pad design provides improved thermal performance compared to the original package.

Frequently Asked Questions (FAQ)

Q: Can the 8T49N285A-999NLGI8 directly replace the MPC9331ACR2 without circuit modifications?

A: Electrical substitution is valid. However, the package change from 32-LQFP to 56-VFQFN requires PCB layout redesign. Pin-to-pin correspondence must be verified against device datasheets before implementation.

Q: What are the key electrical differences between these parts?

A: The substitute part operates at higher maximum frequency (1GHz versus 240MHz), accepts a broader range of input signal formats, and supports additional output formats. Supply voltage and temperature ranges are expanded in the substitute part.

Q: Is the substitute part compatible with existing firmware or software?

A: Clock generator ICs typically require no firmware interaction. Compatibility depends on whether the substitute part's output frequency and signal format match system requirements. Verify output configuration options in the device datasheet.

Q: Why is the MPC9331ACR2 classified as Obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The 8T49N285A-999NLGI8 represents the current-generation equivalent from the same manufacturer.

Q: Are there any thermal or reliability differences?

A: The 56-VFQFN package with exposed pad provides superior thermal dissipation compared to the 32-LQFP package. Both parts maintain identical Moisture Sensitivity Level (MSL 3) ratings.

Q: What supply voltage range should be used for the substitute part?

A: The substitute part accepts 2.375V ~ 3.465V. If the original system supplied 3.135V ~ 3.465V, operation within this range is fully supported by the substitute part.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message