CDCM9102RHBR Equivalent & Substitute Parts

Part Overview

The CDCM9102RHBR is a Clock Generator IC manufactured by Texas Instruments, designed for applications requiring precise clock signal generation at frequencies up to 100MHz. This device features a single circuit with a 1:3 input-to-output ratio, crystal input capability, and multiple output formats including LVCMOS, LVDS, and LVPECL. The part is housed in a 32-VFQFN package with exposed pad and is currently in active production status with ROHS3 compliance.

Equivalent and substitute parts are identified when design requirements change, inventory constraints occur, or when alternative sourcing becomes necessary while maintaining functional compatibility within specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Part Number	CDCM9102RHBR
Category	Clock/Timing
Type	Clock Generator
Frequency - Max	100MHz
Input Type	Crystal
Output Type	LVCMOS, LVDS, LVPECL
Number of Circuits	1
Ratio - Input:Output	1:3
Voltage - Supply	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package / Case	32-VFQFN Exposed Pad
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	2 (1 Year)

Substitute Part Grouping Explanation

Substitute parts for the CDCM9102RHBR are identified based on strict alignment with the following critical parameters:

Parametric Equivalence Criteria:

Clock/Timing category classification
Maximum frequency capability of 100MHz or greater
Supply voltage range compatibility (3V ~ 3.6V or overlapping range)
Operating temperature range (-40°C ~ 85°C)
Surface mount packaging
ROHS3 compliance
Output format compatibility (LVCMOS, LVDS, LVPECL)

Substitute Classification:

Parametric Equivalent: CDCM9102RHBT matches all critical electrical and mechanical parameters with identical specifications. This part differs only in packaging format (Cut Tape vs. Digi-Reel) and represents a direct functional equivalent.

Manufacturer Recommended Alternative: NB3N3020DTG is classified as a manufacturer-recommended substitute despite parameter variations. This part operates at higher maximum frequency (210MHz), includes PLL functionality, supports divider/multiplier operations, and features different input/output format options. The part maintains supply voltage compatibility and operating temperature range alignment but uses a different package type (16-TSSOP vs. 32-VFQFN).

Parameter Comparison

Parameter	CDCM9102RHBR	CDCM9102RHBT	NB3N3020DTG
Manufacturer	Texas Instruments	Texas Instruments	onsemi
Category	Clock/Timing	Clock/Timing	Clock/Timing
Type	Clock Generator	Clock Generator	Clock Multiplier
Frequency - Max	100MHz	100MHz	210MHz
Input Type	Crystal	Crystal	LVCMOS, LVTTL, Crystal
Output Type	LVCMOS, LVDS, LVPECL	LVCMOS, LVDS, LVPECL	LVCMOS, LVPECL, LVTTL
Number of Circuits	1	1	1
Ratio - Input:Output	1:3	1:3	1:2
PLL	No	No	Yes
Divider/Multiplier	No/No	No/No	Yes/Yes
Voltage - Supply	3V ~ 3.6V	3V ~ 3.6V	2.97V ~ 3.63V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	32-VFQFN Exposed Pad	32-VFQFN Exposed Pad	16-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	2 (1 Year)	2 (1 Year)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

CDCM9102RHBT Selection: This part is the direct parametric equivalent for applications requiring identical electrical specifications and performance characteristics. Both parts maintain active production status, ROHS3 compliance, and identical supply voltage and operating temperature ranges. Selection between CDCM9102RHBR and CDCM9102RHBT is determined by packaging and inventory availability requirements, as the parts are functionally interchangeable.

NB3N3020DTG Selection: This manufacturer-recommended alternative is suitable for applications where higher frequency capability (210MHz) is beneficial or where PLL functionality and divider/multiplier operations provide design advantages. The part maintains compatible supply voltage range and operating temperature specifications. Package differences (16-TSSOP vs. 32-VFQFN) require PCB layout modifications. MSL rating of 1 (Unlimited) provides superior moisture handling compared to the MSL 2 rating of the primary part. Selection of this alternative requires confirmation that the 1:2 input-to-output ratio and different package footprint align with circuit design requirements.

All substitute parts maintain ROHS3 compliance and active production status, ensuring long-term availability and regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Can CDCM9102RHBT be used as a direct replacement for CDCM9102RHBR?

A: Yes. CDCM9102RHBT is a parametric equivalent with identical electrical specifications, supply voltage range, operating temperature range, frequency capability, and output formats. The parts differ only in packaging format (Cut Tape vs. Digi-Reel). Direct substitution is possible without circuit modifications.

Q: What are the key differences between CDCM9102RHBR and NB3N3020DTG?

A: The primary differences are: (1) NB3N3020DTG operates at higher maximum frequency (210MHz vs. 100MHz); (2) NB3N3020DTG includes PLL functionality and divider/multiplier capability; (3) NB3N3020DTG uses 16-TSSOP package instead of 32-VFQFN; (4) NB3N3020DTG has MSL rating of 1 (Unlimited) vs. MSL 2 (1 Year); (5) Input-to-output ratio is 1:2 vs. 1:3. These differences require design evaluation before substitution.

Q: Is NB3N3020DTG a direct replacement for CDCM9102RHBR?

A: NB3N3020DTG is a manufacturer-recommended alternative, not a direct replacement. While both parts operate within compatible supply voltage and temperature ranges, the different package type, frequency capability, and functional features require PCB layout changes and circuit design verification.

Q: What packaging formats are available for the CDCM9102 series?

A: CDCM9102RHBR is available in Cut Tape (CT) and Digi-Reel packaging formats. CDCM9102RHBT represents the same part in alternative packaging. Both use 32-VFQFN Exposed Pad package type.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. CDCM9102RHBR, CDCM9102RHBT, and NB3N3020DTG are all ROHS3 compliant and maintain active production status.

Q: What is the significance of MSL rating differences?

A: CDCM9102RHBR and CDCM9102RHBT have MSL rating of 2 (1 Year), requiring storage and handling within specified moisture conditions for one year. NB3N3020DTG has MSL rating of 1 (Unlimited), providing superior moisture tolerance without time-based storage restrictions.

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