CDCE949PWRG4 Equivalent & Substitute Parts

Part Overview

The CDCE949PWRG4 is a PLL Clock Generator IC manufactured by Texas Instruments, designed for applications requiring programmable clock generation up to 230MHz. This device features a single PLL circuit with bypass capability, accepting LVCMOS or Crystal inputs and delivering LVCMOS outputs with a 1:9 input-to-output ratio. The part is currently discontinued at DiGi Electronics, making identification of suitable substitutes essential for ongoing design support and procurement.

Substiute Parts

CDCE949PWRG4

Texas InstrumentsIn Stock: 5189CDCE949PWRG4 Datasheet

Current PartRFQ

CDCE949PWR

Texas InstrumentsIn Stock: 5764CDCE949PWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the CDCE949PWRG4 is determined by strict equivalence across the following critical parameters:

• Frequency Performance: Maximum output frequency of 230MHz
• Input/Output Configuration: LVCMOS and Crystal input support with LVCMOS output
• Multiplication Ratio: 1:9 input-to-output ratio
• Supply Voltage Range: 1.7V ~ 1.9V operation
• Package Compatibility: 24-TSSOP surface mount package
• Temperature Range: -40°C ~ 85°C operating specification
• Regulatory Compliance: ROHS3 compliance and MSL Level 1

The CDCE949PWR meets all these criteria and is classified as the manufacturer-recommended substitute. Both parts share the same base product number (CDCE949) and are functionally identical, with the primary distinction being product status and packaging format availability.

Parameter Comparison

Engineering Selection Recommendations

The CDCE949PWR is the direct functional equivalent of the CDCE949PWRG4 and serves as the manufacturer-recommended substitute. Selection of CDCE949PWR is justified on the following grounds:

• Product Status: CDCE949PWR maintains Active status, ensuring continued availability and supply chain support, whereas CDCE949PWRG4 is discontinued.
• Regulatory Compliance: Both parts maintain identical ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements.
• Functional Equivalence: All electrical and mechanical specifications are identical, including frequency performance, voltage supply range, temperature operating range, and package configuration.
• Packaging Availability: CDCE949PWR is available in Cut Tape and Digi-Reel formats, providing flexibility for both prototype and production procurement workflows.

Frequently Asked Questions (FAQ)

Q: Can CDCE949PWR be used as a direct replacement for CDCE949PWRG4 in existing designs?

A: Yes. Both parts are functionally identical across all electrical and mechanical parameters. No design modifications are required for substitution.

Q: Are there any differences in pin configuration or package dimensions?

A: No. Both parts use the identical 24-TSSOP package with 0.173" width and 4.40mm dimensions. Pin configuration and PCB layout compatibility are maintained.

Q: What is the difference between CDCE949PWRG4 and CDCE949PWR?

A: The primary difference is product status and packaging format. CDCE949PWRG4 is discontinued, while CDCE949PWR is active and available in Cut Tape and Digi-Reel packaging options. All functional specifications are identical.

Q: Do both parts meet the same compliance standards?

A: Yes. Both CDCE949PWRG4 and CDCE949PWR are ROHS3 compliant with MSL Level 1 rating and REACH unaffected status.

Q: What supply voltage range do these parts require?

A: Both parts operate within a 1.7V to 1.9V supply voltage range.

Q: What is the maximum output frequency for these clock generators?

A: The maximum frequency is 230MHz for both parts.

Q: Are these parts suitable for high-temperature applications?

A: Both parts are rated for operation across -40°C to 85°C, suitable for industrial and commercial temperature ranges.