MPC9824ACR2 Equivalent & Substitute Parts

Part Overview

The MPC9824ACR2 is a PLL clock generator IC manufactured by Renesas Electronics Corporation, designed for CPU, PowerQUICC, and Telecom applications. This 32-LQFP surface mount device operates at frequencies up to 200MHz with LVCMOS input and output capabilities. The product is currently obsolete, making equivalent substitute parts necessary for system redesigns, legacy system maintenance, and new production alternatives.

Key Parameters

Parameter	Value
Manufacturer Part Number	MPC9824ACR2
Manufacturer	Renesas Electronics Corporation
Category	Clock/Timing
Description	IC PLL CLOCK GENERATOR 32-LQFP
Product Status	Obsolete
PLL Capability	Yes
Input Type	LVCMOS, Crystal
Output Type	LVCMOS
Frequency - Max	200MHz
Voltage - Supply	3.135V ~ 3.465V
Operating Temperature	-40°C ~ 85°C
Package / Case	32-LQFP
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

The MPC9824ACR2 can be substituted with the 8T49N285A-999NLGI8 based on the following substitution criteria:

Core Functional Parameters:

PLL capability present in both devices
Both support LVCMOS input and output signaling
Both manufactured by Renesas Electronics Corporation
Both operate within overlapping supply voltage ranges (3.135V-3.465V for MPC9824ACR2; 2.375V-3.465V for 8T49N285A-999NLGI8)
Both support identical operating temperature range (-40°C to 85°C)
Both are surface mount devices with equivalent MSL rating (3, 168 Hours)
Both comply with REACH regulations and EAR99 export classification

Enhanced Capabilities of Substitute: The 8T49N285A-999NLGI8 provides extended functionality including support for additional input types (HCSL, LVDSM, LVHSTL, LVPECL, Crystal) and output types (HSCL, LVDS, LVPECL), higher maximum frequency (1GHz vs 200MHz), and divider/multiplier functionality. The substitute maintains backward compatibility with the original part's core LVCMOS signaling requirements.

Parameter Comparison

Parameter	MPC9824ACR2	8T49N285A-999NLGI8
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation
Category	Clock/Timing	Clock/Timing
Product Status	Obsolete	Active
PLL Capability	Yes	Yes with Bypass
Input Type	LVCMOS, Crystal	HCSL, LVCMOS, LVDSM, LVHSTL, LVPECL, Crystal
Output Type	LVCMOS	HSCL, LVCMOS, LVDS, LVPECL
Frequency - Max	200MHz	1GHz
Voltage - Supply	3.135V ~ 3.465V	2.375V ~ 3.465V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	32-LQFP	56-VFQFN Exposed Pad
MSL Rating	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected
RoHS Status	Not specified	ROHS3 Compliant

Engineering Selection Recommendations

For Obsolete Part Replacement: The 8T49N285A-999NLGI8 is the designated substitute for the MPC9824ACR2. Both devices are manufactured by Renesas Electronics Corporation and maintain compliance with REACH regulations and EAR99 export classification. The substitute is currently in active production status, ensuring long-term availability and supply chain stability.

Compliance Considerations: The 8T49N285A-999NLGI8 provides additional RoHS3 compliance certification, making it suitable for applications requiring enhanced environmental compliance. Both parts maintain identical MSL ratings and operating temperature specifications, supporting equivalent reliability in standard manufacturing environments.

Package Transition: The substitute uses a 56-VFQFN Exposed Pad package compared to the original 32-LQFP package. PCB layout redesign is required to accommodate the different package footprint and pin configuration. The increased pin count (56 vs 32) provides additional functionality and flexibility in system design.

Frequently Asked Questions (FAQ)

Q: Can the 8T49N285A-999NLGI8 directly replace the MPC9824ACR2 without circuit modifications?

A: Direct pin-for-pin replacement is not possible due to different package types (56-VFQFN vs 32-LQFP) and pin counts. PCB redesign and schematic modifications are required. However, the functional requirements for LVCMOS clock generation are met by the substitute.

Q: What are the key compatibility factors for substitution?

A: The substitute maintains compatibility through identical PLL capability, overlapping supply voltage range (3.135V-3.465V overlap), matching operating temperature range (-40°C to 85°C), and equivalent LVCMOS signaling support. Both devices are surface mount components with identical MSL ratings.

Q: Does the substitute support the same input and output signaling as the original part?

A: Yes. The 8T49N285A-999NLGI8 supports LVCMOS input and output, matching the MPC9824ACR2 core signaling requirements. The substitute additionally supports HCSL, LVDSM, LVHSTL, LVPECL input types and HSCL, LVDS, LVPECL output types for enhanced system flexibility.

Q: What is the frequency capability difference between these parts?

A: The MPC9824ACR2 operates at maximum 200MHz, while the 8T49N285A-999NLGI8 supports up to 1GHz. For applications requiring 200MHz operation, the substitute provides headroom and future scalability.

Q: Are there supply voltage compatibility concerns?

A: The MPC9824ACR2 requires 3.135V-3.465V supply voltage. The 8T49N285A-999NLGI8 accepts 2.375V-3.465V. The overlap range (3.135V-3.465V) ensures compatibility when using the original supply voltage specification.

Q: What manufacturing and compliance advantages does the substitute offer?

A: The 8T49N285A-999NLGI8 is in active production status with RoHS3 compliance certification, compared to the obsolete MPC9824ACR2. Both maintain REACH compliance and EAR99 classification. Active production status ensures component availability and supply chain continuity.

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