MPC9352AC Equivalent & Substitute Parts

Part Overview

The MPC9352AC is a PLL Clock Generator IC manufactured by Renesas Electronics Corporation, designed for 200MHz operation in a 32-LQFP surface mount package. This component generates synchronized clock signals with programmable frequency multiplication and division capabilities. The product is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing system support where original inventory is depleted.

Key Parameters

Parameter	Value
Manufacturer Part Number	MPC9352AC
Manufacturer	Renesas Electronics Corporation
Category	Clock/Timing
Type	PLL Clock Generator
Frequency - Max	200MHz
PLL with Bypass	Yes
Input Signal Type	LVCMOS
Output Signal Type	LVCMOS
Ratio - Input:Output	1:11
Voltage - Supply	2.375V ~ 3.465V
Operating Temperature	-40°C ~ 85°C
Package / Case	32-LQFP
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the MPC9352AC is determined by the following critical parameters:

Electrical Compatibility:

Supply voltage range: 2.375V ~ 3.465V (must be maintained)
Operating temperature range: -40°C ~ 85°C (must be maintained)
PLL with bypass capability (required for functional equivalence)
Input/output signal compatibility (LVCMOS input and output support)

Mechanical Compatibility:

Surface mount technology (required for PCB integration)
Pin count and package footprint considerations
Moisture sensitivity level: MSL 3 (168 Hours)

Functional Compatibility:

Frequency generation capability at or above 200MHz
Divider/multiplier functionality for clock synthesis
Single circuit configuration

The substitute part 8T49N285A-999NLGI meets these core requirements while offering enhanced specifications in frequency capability and signal format flexibility.

Parameter Comparison

Parameter	MPC9352AC	8T49N285A-999NLGI	Compatibility Notes
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Same manufacturer
Category	Clock/Timing	Clock/Timing	Same functional category
PLL with Bypass	Yes	Yes	Both support PLL bypass mode
Input Signal Type	LVCMOS	HCSL, LVCMOS, LVDSM, LVHSTL, LVPECL, Crystal	Substitute supports LVCMOS plus additional formats
Output Signal Type	LVCMOS	HSCL, LVCMOS, LVDS, LVPECL	Substitute supports LVCMOS plus additional formats
Frequency - Max	200MHz	1GHz	Substitute exceeds frequency requirement
Voltage - Supply	2.375V ~ 3.465V	2.375V ~ 3.465V	Identical supply voltage range
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Identical operating range
Mounting Type	Surface Mount	Surface Mount	Both surface mount
Number of Circuits	1	1	Single circuit configuration
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	Identical MSL rating
Product Status	Obsolete	Active	Substitute is actively manufactured
RoHS Status	Not specified	ROHS3 Compliant	Substitute meets RoHS3 requirements

Engineering Selection Recommendations

The 8T49N285A-999NLGI is a qualified substitute for the obsolete MPC9352AC based on the following engineering criteria:

Electrical Equivalence: Both components operate within the identical supply voltage range (2.375V ~ 3.465V) and temperature range (-40°C ~ 85°C). The substitute maintains full LVCMOS input/output compatibility required by the original design while providing extended signal format support.

Functional Capability: The substitute exceeds the frequency specification of the original part (1GHz versus 200MHz), ensuring that clock generation requirements are met or exceeded. Both components feature PLL with bypass capability and single-circuit configuration.

Compliance Status: The 8T49N285A-999NLGI holds active product status with ROHS3 compliance certification, ensuring long-term availability and regulatory alignment. Both components share identical MSL 3 (168 Hours) moisture sensitivity ratings.

Package Consideration: The substitute uses a 56-VFQFN package versus the original 32-LQFP package. PCB layout redesign is required to accommodate the different pin count and footprint. The substitute's larger package provides additional functionality and signal format flexibility.

Frequently Asked Questions (FAQ)

Q: Can the 8T49N285A-999NLGI directly replace the MPC9352AC without PCB modification?

A: No. The substitute uses a 56-VFQFN package with different pin assignments compared to the original 32-LQFP package. PCB layout redesign is mandatory. Pin mapping and signal routing must be verified against the respective datasheets.

Q: Are the supply voltage requirements identical between these parts?

A: Yes. Both components operate within the 2.375V ~ 3.465V supply voltage range and -40°C ~ 85°C temperature range. Power supply design does not require modification.

Q: What is the advantage of the 8T49N285A-999NLGI over the MPC9352AC?

A: The substitute offers 1GHz maximum frequency capability versus 200MHz, extended input/output signal format support (HCSL, LVDSM, LVHSTL, LVPECL, Crystal, LVDS), and active product status with ROHS3 compliance. These enhancements provide design flexibility for future applications.

Q: Is the 8T49N285A-999NLGI suitable for designs requiring only 200MHz operation?

A: Yes. The substitute's 1GHz capability encompasses 200MHz operation. The component can be configured to generate 200MHz output through appropriate divider settings while maintaining full electrical compatibility.

Q: What moisture handling precautions apply to the substitute part?

A: Both components carry MSL 3 (168 Hours) rating. Standard moisture control procedures for MSL 3 components apply: storage in dry conditions, baking before reflow soldering, and adherence to floor life limits after package opening.

Q: Are there any compliance differences between the original and substitute parts?

A: The substitute is ROHS3 compliant with active manufacturing status. The original MPC9352AC is classified as obsolete. Both components carry identical REACH Unaffected and EAR99 ECCN designations.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message