MPC9330AC Equivalent & Substitute Parts

Part Overview

The MPC9330AC is a PLL Clock Generator IC manufactured by Renesas Electronics Corporation, designed for 120MHz clock generation in 32-LQFP surface mount packaging. This component is classified as obsolete, making substitute parts necessary for new designs and ongoing production requirements. The MPC9330AC provides LVCMOS input and output with integrated PLL bypass capability, serving as a timing solution in applications requiring programmable clock generation.

Key Parameters

Parameter	MPC9330AC
Manufacturer	Renesas Electronics Corporation
Category	Clock/Timing
Type	PLL Clock Generator
Frequency - Max	120MHz
PLL with Bypass	Yes
Input Type	LVCMOS, Crystal
Output Type	LVCMOS
Number of Circuits	1
Ratio - Input:Output	3:6
Voltage - Supply	3.135V ~ 3.465V
Operating Temperature	0°C ~ 70°C
Package / Case	32-LQFP
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the MPC9330AC is determined by the following critical parameters:

PLL Architecture: Both main and substitute parts must feature PLL with bypass capability
Input/Output Signal Compatibility: Substitute must support LVCMOS input and output at minimum
Frequency Range: Substitute must support the required 120MHz operation
Supply Voltage Compatibility: Operating voltage range must overlap with or exceed the 3.135V ~ 3.465V requirement
Package and Mounting: Surface mount technology with compatible pinout and thermal characteristics
Manufacturer Support: Active product status ensures availability and technical support

The 8T49N285A-999NLGI qualifies as a substitute based on these parameters. While it operates at higher maximum frequency (1GHz) and supports additional input/output signal types, it maintains backward compatibility with the core LVCMOS interface, PLL bypass functionality, and supply voltage requirements of the MPC9330AC.

Parameter Comparison

Parameter	MPC9330AC	8T49N285A-999NLGI	Compatibility Notes
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Same manufacturer
Category	Clock/Timing	Clock/Timing	Same category
Type	PLL Clock Generator	Frequency Translator with PLL	Both feature PLL architecture
Frequency - Max	120MHz	1GHz	Substitute supports higher frequency; backward compatible
PLL with Bypass	Yes	Yes	Both support PLL bypass
Input Type	LVCMOS, Crystal	HCSL, LVCMOS, LVDSM, LVHSTL, LVPECL, Crystal	Substitute supports LVCMOS input; additional input types available
Output Type	LVCMOS	HSCL, LVCMOS, LVDS, LVPECL	Substitute supports LVCMOS output; additional output types available
Number of Circuits	1	1	Both single circuit
Voltage - Supply	3.135V ~ 3.465V	2.375V ~ 3.465V	Substitute range encompasses main part range
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C	Substitute supports extended temperature range
Mounting Type	Surface Mount	Surface Mount	Both surface mount
Product Status	Obsolete	Active	Substitute is actively supported
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	Same MSL rating
RoHS Status	Not specified	ROHS3 Compliant	Substitute meets RoHS3 requirements

Engineering Selection Recommendations

The 8T49N285A-999NLGI is the recommended substitute for the obsolete MPC9330AC based on the following engineering criteria:

Product Status: The substitute is an active product with ongoing manufacturer support, ensuring long-term availability and technical documentation
Regulatory Compliance: The 8T49N285A-999NLGI meets ROHS3 compliance requirements, whereas the MPC9330AC status is not specified
Functional Compatibility: Both parts feature PLL with bypass, LVCMOS signal compatibility, and identical MSL ratings
Supply Voltage: The substitute's supply voltage range (2.375V ~ 3.465V) fully encompasses the MPC9330AC requirement (3.135V ~ 3.465V)
Frequency Capability: The substitute's 1GHz maximum frequency exceeds the 120MHz requirement, providing operational margin
Extended Operating Range: The substitute supports -40°C ~ 85°C operation, extending beyond the MPC9330AC's 0°C ~ 70°C range

Package differences (32-LQFP versus 56-VFQFN) require PCB layout redesign. Pinout verification and signal routing validation are necessary during design transition.

Frequently Asked Questions (FAQ)

Q: Can the 8T49N285A-999NLGI directly replace the MPC9330AC without PCB modifications?

A: No. The MPC9330AC uses 32-LQFP packaging while the 8T49N285A-999NLGI uses 56-VFQFN packaging. PCB layout redesign is required. Pinout mapping and signal routing must be verified against both datasheets before implementation.

Q: What are the key electrical compatibility factors between these parts?

A: Both parts support LVCMOS input and output, feature PLL with bypass capability, operate within overlapping supply voltage ranges, and share identical MSL ratings. The substitute supports additional signal types (LVDS, LVPECL, HCSL) not required for MPC9330AC replacement.

Q: Why is the substitute rated for 1GHz when the original part only operates at 120MHz?

A: The 8T49N285A-999NLGI is a more advanced frequency translator designed for higher-speed applications. When configured for 120MHz operation, it functions as a backward-compatible substitute. The higher frequency rating does not affect compatibility at lower operating frequencies.

Q: Are there any temperature range considerations for substitution?

A: The MPC9330AC operates 0°C ~ 70°C while the substitute operates -40°C ~ 85°C. If the original design operates within 0°C ~ 70°C, the substitute is fully compatible. Applications requiring extended temperature range benefit from the substitute's wider operating window.

Q: What compliance certifications apply to the substitute part?

A: The 8T49N285A-999NLGI is ROHS3 compliant and carries REACH Unaffected status. Both parts share EAR99 ECCN classification and identical HTSUS codes, indicating regulatory alignment for export and procurement purposes.

Q: How do the input/output signal options differ between these parts?

A: The MPC9330AC supports LVCMOS and Crystal input with LVCMOS output. The 8T49N285A-999NLGI supports HCSL, LVCMOS, LVDSM, LVHSTL, LVPECL, and Crystal input with HSCL, LVCMOS, LVDS, and LVPECL output. For MPC9330AC replacement, configure the substitute for LVCMOS mode only.

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