CDCVF2505DRG4 Equivalent & Substitute Parts

Part Overview

The CDCVF2505DRG4 is a PLL Clock Driver IC manufactured by Texas Instruments, designed for clock distribution and timing applications requiring 200MHz maximum frequency operation. This device features LVTTL input and output with a 1:5 input-to-output ratio and operates across the industrial temperature range of -40°C to 85°C. The part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components that maintain functional compatibility for new designs and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	CDCVF2505DRG4
Manufacturer	Texas Instruments
Device Type	PLL Clock Driver
Package / Case	8-SOIC (0.154", 3.90mm Width)
Frequency - Max	200MHz
Input / Output Type	LVTTL / LVTTL
Ratio - Input:Output	1:5
Voltage - Supply	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CDCVF2505DRG4 is determined by the following critical parameters:

Primary Compatibility Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width) — physical and electrical interface compatibility
Voltage - Supply: 3V ~ 3.6V — power supply compatibility
Input / Output Type: LVTTL / LVTTL — signal level compatibility
Ratio - Input:Output: 1:5 — functional clock distribution ratio
Mounting Type: Surface Mount — PCB assembly compatibility
RoHS Status: ROHS3 Compliant — regulatory compliance

Frequency Consideration: Substitute parts with maximum frequency of 133MHz (Renesas 2305 series) operate within the electrical specifications of the CDCVF2505DRG4 for applications not requiring the full 200MHz capability. These parts are functionally compatible for clock distribution in systems operating below 133MHz.

Temperature Range Consideration: Substitute parts with operating temperature range of 0°C ~ 70°C are suitable for commercial-grade applications. Parts rated -40°C ~ 85°C maintain full industrial-grade compatibility.

Parameter Comparison

Part Number	Manufacturer	Device Type	Frequency - Max	Input / Output	Voltage - Supply	Operating Temperature	Package	Product Status
CDCVF2505DRG4	Texas Instruments	PLL Clock Driver	200MHz	LVTTL / LVTTL	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Discontinued
CDCVF2505DR	Texas Instruments	PLL Clock Driver	200MHz	LVTTL / LVTTL	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active
CDCVF2505IDRQ1	Texas Instruments	PLL Clock Driver	200MHz	LVTTL / LVTTL	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Not For New Designs
2305-1DCGI	Renesas Electronics	Zero Delay Buffer	133MHz	LVTTL / CMOS, LVCMOS, TTL	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active
2305-1DCGI8	Renesas Electronics	Zero Delay Buffer	133MHz	LVTTL / CMOS, LVCMOS, TTL	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active
2305-1HDCG	Renesas Electronics	Zero Delay Buffer	133MHz	LVTTL / CMOS, LVCMOS, TTL	3V ~ 3.6V	0°C ~ 70°C	8-SOIC	Active
2305-1HDCGI	Renesas Electronics	Zero Delay Buffer	133MHz	LVTTL / CMOS, LVCMOS, TTL	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active
2305A-1DCG	Renesas Electronics	Zero Delay Buffer	133MHz	LVTTL / CMOS, LVCMOS, TTL	3V ~ 3.6V	0°C ~ 70°C	8-SOIC	Active
2305A-1DCGI	Renesas Electronics	Zero Delay Buffer	133MHz	LVTTL / CMOS, LVCMOS, TTL	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active
2305A-1DCGI8	Renesas Electronics	Zero Delay Buffer	133MHz	LVTTL / CMOS, LVCMOS, TTL	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	Active
2305A-1HDCG	Renesas Electronics	Zero Delay Buffer	133MHz	LVTTL / CMOS, LVCMOS, TTL	3V ~ 3.6V	0°C ~ 70°C	8-SOIC	Active

Engineering Selection Recommendations

Primary Recommendation for New Designs: CDCVF2505DR is the direct equivalent manufactured by Texas Instruments with identical electrical specifications, package, and operating temperature range. This part maintains full compatibility with the discontinued CDCVF2505DRG4 and is currently in active production status.

Alternative for Industrial Applications: CDCVF2505IDRQ1 provides equivalent functionality with automotive-grade qualification (AEC-Q100) and is suitable for applications requiring automotive reliability standards. This part is designated "Not For New Designs" but remains available for legacy system support.

Frequency-Reduced Alternatives: The Renesas 2305 series (2305-1HDCGI, 2305-1DCGI8, 2305A-1DCGI, 2305A-1DCGI8) provides functional substitution for applications operating at frequencies below 133MHz. These parts maintain identical supply voltage, package, and industrial temperature range compatibility. The expanded output capability (CMOS, LVCMOS, TTL in addition to LVTTL) provides greater flexibility in signal level interfacing.

Commercial Temperature Range Alternatives: Parts designated with operating temperature 0°C ~ 70°C (2305-1HDCG, 2305A-1DCG, 2305A-1HDCG) are suitable for commercial-grade applications not requiring industrial temperature specifications.

Frequently Asked Questions (FAQ)

Q: Can CDCVF2505DR directly replace CDCVF2505DRG4? A: Yes. CDCVF2505DR is the active production equivalent with identical electrical specifications, package configuration, and operating temperature range. The difference is packaging format (Tape & Reel vs. Digi-Reel).

Q: What is the difference between CDCVF2505IDRQ1 and CDCVF2505DR? A: CDCVF2505IDRQ1 includes automotive-grade qualification (AEC-Q100) and is designated "Not For New Designs." Both parts share identical electrical specifications and package. Selection depends on application requirements for automotive reliability certification.

Q: Can Renesas 2305 series parts replace the CDCVF2505DRG4? A: Renesas 2305 series parts are functionally compatible for applications operating at frequencies below 133MHz. All critical parameters (supply voltage, package, temperature range options, input/output signal levels, and 1:5 ratio) align with the CDCVF2505DRG4. The reduced maximum frequency is the primary limitation.

Q: What is the significance of the temperature range designation? A: Parts rated -40°C ~ 85°C are suitable for industrial applications. Parts rated 0°C ~ 70°C are suitable for commercial applications. Selection depends on the operating environment of the end application.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), matching the regulatory and handling requirements of the CDCVF2505DRG4.

Q: What does the packaging designation (DCGI, DCGI8, HDCG, HDCGI) indicate? A: These designations indicate packaging format and tape configuration for automated assembly. DCGI and DCGI8 variants differ in tape reel specifications. HDCG and HDCGI variants indicate alternative packaging formats. All variants maintain identical electrical specifications and 8-SOIC package dimensions.

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