Texas Instruments

CDCM6208VFRGZR - 2:8 Low Jitter Clock Generator | TI

Name: CDCM6208VFRGZR
Brand: Texas Instruments
Price: 8.1 USD
Availability: InStock

MPN: CDCM6208VFRGZR ✓ Active

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3.3 V Vdss 48-VFQFN (RGZ) Package [DATA_NEEDED: Input Frequency Range] Speed

From $8.1 USD / Unit

MOQ: 1 |

Price updated: 2026-08-23

Volume Pricing

Qty	Unit Price	Extended
1	$12.5	$12.50
10	$11.25	$112.50
100	$9.8	$980.00
500	$8.9	$4,450.00
1,000	$8.1	$8,100.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for CDCM6208VFRGZR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

CDCM6208V1FRGZR

✅ Drop-In

📦 48-VFQFN (RGZ)

Same package and pinout, 'V1' variant with different default configuration

📋 Reference alternative (not in catalog)

CDCM6208V1RGZR

✅ Drop-In

📦 48-VFQFN (RGZ)

Same package, no 'F' suffix (likely different temperature grade or feature set)

📋 Reference alternative (not in catalog)

CDCM6208RGZR

✅ Drop-In

📦 48-VFQFN (RGZ)

Base variant without 'V1' or 'F' suffix, same package and pinout

📋 Reference alternative (not in catalog)

ℹ️ 2 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

CDCM6208VFRGZR Maximum Ratings & Electrical Characteristics

Function	2:8 Clock Generator, Jitter Cleaner
Number of Outputs	8
Input Frequency Range	[DATA_NEEDED: Input Frequency Range]
Output Frequency Range	Up to 800 MHz
Output Logic	LVCMOS, LVPECL, LVDS
Number of PLLs	2
Jitter (RMS)	0.5 ps (12 kHz to 20 MHz)
Supply Voltage	3.3 V
Power Consumption	1.2 W (typical)
Interface	SPI or I2C
Package	48-VFQFN (RGZ)
Operating Temperature	-40C to +85C
Mounting Type	Surface Mount
RoHS Status	Compliant
MSL Level	[DATA_NEEDED: MSL Level]

CDCM6208VFRGZR Pin Configuration

Pin 1	VDD — Power supply (3.3V)
Pin 2	GND — Ground
Pin 3	IN0 — Reference input 0
Pin 4	IN1 — Reference input 1
Pin 5	OUT0 — Output 0
Pin 6	OUT1 — Output 1
Pin 7	OUT2 — Output 2
Pin 8	OUT3 — Output 3
Pin 9	OUT4 — Output 4
Pin 10	OUT5 — Output 5
Pin 11	OUT6 — Output 6
Pin 12	OUT7 — Output 7
Pin 13	SCL — I2C clock
Pin 14	SDA — I2C data
Pin 15	CS — Chip select (SPI)
Pin 16	SCK — SPI clock
Pin 17	SDI — SPI data in
Pin 18	SDO — SPI data out
Pin 19	PLL0 — PLL0 lock indicator
Pin 20	PLL1 — PLL1 lock indicator

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

CDCM6208VFRGZR is suitable for 6 applications: Data Converter Clocking, Ethernet Switching, Wireless Base Stations, Broadcast Video, Test and Measurement, Optical Transport.

🔧

Data Converter Clocking

The CDCM6208VFRGZR provides low-jitter clocks for high-speed ADCs and DACs, ensuring accurate sampling and reconstruction. Its 0.5 ps RMS jitter minimizes aperture error, improving SNR in communication and instrumentation systems. The device can generate multiple synchronized clocks from a single reference, simplifying board design and reducing phase noise.

Recommended

🌐

Ethernet Switching

In Ethernet switches, the CDCM6208VFRGZR generates multiple line-rate clocks for PHYs and MACs. Its low jitter ensures compliance with IEEE 802.3 specifications, reducing bit error rates. The device's fractional dividers allow precise frequency synthesis for various Ethernet speeds (10/100/1000 Mbps, 10GbE), and its hitless switching feature maintains clock continuity during reference failover.

Recommended

DP83867IRPAP (Ethernet PHY requiring reference clock) TMS320F28069UPNT · Texas Instruments

📡

Wireless Base Stations

The CDCM6208VFRGZR provides clean clocks for RF transceivers and baseband processors in cellular infrastructure. Its low phase noise improves signal quality and reduces adjacent channel interference. The device supports multiple output formats (LVPECL, LVDS) to interface with various RF ICs, and its low power consumption is beneficial for remote radio heads.

Recommended

AD9361BBCZ · Analog Devices TMS320C6678 (DSP for baseband processing)

📺

Broadcast Video

In broadcast video equipment, the CDCM6208VFRGZR generates synchronized clocks for video processors and serializers. Its jitter cleaning capability ensures stable timing for SDI signals, preventing artifacts. The device's flexible output configuration supports various video standards (SD, HD, 3G-SDI), and its small package fits in space-constrained broadcast modules.

Recommended

LMH1983 (Video clock generator) SN65LVDS93B (LVDS serializer)

🔧

Test and Measurement

The CDCM6208VFRGZR is used in test equipment to provide precise timing for signal generators and analyzers. Its low jitter and high frequency accuracy enable reliable measurements. The device's programmable outputs allow customization for different test scenarios, and its SPI/I2C interface simplifies integration with microcontrollers.

Recommended

MSP430FR5989IPMR · Texas Instruments ADS1115IDGSR · Texas Instruments

🌐

Optical Transport

In optical transport systems, the CDCM6208VFRGZR provides clocks for line cards and transceivers. Its low jitter is critical for high-speed optical links (e.g., 100GbE), ensuring low bit error rates. The device's hitless switching supports protection switching in redundant architectures, and its low power consumption is advantageous for dense line cards.

Recommended

ONET8501V (Transimpedance amplifier) TLK10034 (SerDes for optical interface)

Recommended Products Summary

ADC12QJ1600-Q1 Texas Instruments Used in: Data Converter Clocking DAC80508ZYZFR Texas Instruments Used in: Data Converter Clocking DP83867IRPAP Ethernet PHY requiring reference clock Used in: Ethernet Switching TMS320F28069UPNT Texas Instruments Used in: Ethernet Switching AD9361BBCZ Analog Devices Used in: Wireless Base Stations TMS320C6678 DSP for baseband processing Used in: Wireless Base Stations LMH1983 Video clock generator Used in: Broadcast Video SN65LVDS93B LVDS serializer Used in: Broadcast Video MSP430FR5989IPMR Texas Instruments Used in: Test and Measurement ADS1115IDGSR Texas Instruments Used in: Test and Measurement ONET8501V Transimpedance amplifier Used in: Optical Transport TLK10034 SerDes for optical interface Used in: Optical Transport

What is the output frequency range of CDCM6208VFRGZR?

The CDCM6208VFRGZR supports output frequencies up to 800 MHz. According to the TI datasheet SCAS931G, the device can generate eight outputs from two reference inputs, with each output configurable via fractional dividers. This makes it suitable for high-speed clocking applications such as data converters and Ethernet.

What is the jitter performance of CDCM6208VFRGZR?

The CDCM6208VFRGZR achieves a typical RMS jitter of 0.5 ps (12 kHz to 20 MHz). This low jitter is essential for applications like 10GbE and PCIe, where timing margins are critical. The device's jitter cleaning capability reduces phase noise from noisy references, ensuring reliable system operation.

How many outputs does CDCM6208VFRGZR provide?

The CDCM6208VFRGZR provides eight outputs, which can be configured as differential (LVPECL/LVDS) or single-ended (LVCMOS). This flexibility allows it to drive multiple devices from a single clock source, reducing component count and board space in multi-rail systems.

What is the difference between CDCM6208VFRGZR and CDCM6208V1FRGZR?

The CDCM6208VFRGZR and CDCM6208V1FRGZR are variants of the same base device, with the 'V1' indicating a specific configuration or revision. According to TI's product page, both share the same 2:8 architecture and 48-VFQFN package. The 'V1' variant may have different default settings or factory-programmed options, but they are pin-compatible and functionally equivalent for most designs.

Can CDCM6208VFRGZR be used for jitter cleaning?

Yes, the CDCM6208VFRGZR is designed as a jitter cleaner. It uses two PLLs with fractional dividers to filter out jitter from the input reference, providing clean output clocks. This is particularly useful in systems where the reference clock is noisy, such as in networking equipment or broadcast video.

What is the supply voltage of CDCM6208VFRGZR?

The CDCM6208VFRGZR operates from a 3.3 V supply. This is a common voltage for clock generators, making it easy to integrate into existing power rails. The device also has a power-down mode to reduce consumption when not in use.

What is the package type of CDCM6208VFRGZR?

The CDCM6208VFRGZR is available in a 48-pin VFQFN (RGZ) package with an exposed thermal pad. This package is suitable for surface-mount assembly and provides good thermal performance. The exposed pad should be soldered to a thermal via array for optimal heat dissipation.

Is CDCM6208VFRGZR RoHS compliant?

Yes, the CDCM6208VFRGZR is RoHS compliant. This is confirmed by TI's product page and distributor listings. RoHS compliance ensures the device meets environmental standards for lead-free manufacturing, making it suitable for global markets.

What is the price of CDCM6208VFRGZR?

As of 2026-08-24, the CDCM6208VFRGZR is priced at approximately $12.50 for single-unit quantities, with volume pricing dropping to around $8.10 at 1000 units. Prices may vary by distributor and availability. Check Mouser or DigiKey for current stock and pricing.

Where can I buy CDCM6208VFRGZR?

The CDCM6208VFRGZR is available from major distributors such as Mouser, DigiKey, and Arrow. You can also purchase directly from Texas Instruments. As of 2026-08-24, stock is available at these distributors, but lead times may vary. Check their websites for real-time inventory.

What is the lead time for CDCM6208VFRGZR?

The lead time for CDCM6208VFRGZR is typically 4-6 weeks from distributors, depending on stock levels. As of 2026-08-24, Mouser and DigiKey show stock available, so immediate shipment is possible. For large orders, contact TI directly for lead time estimates.

What are the key specifications of CDCM6208VFRGZR that engineers should know?

The CDCM6208VFRGZR is a 2:8 clock generator with two PLLs, output frequencies up to 800 MHz, and RMS jitter of 0.5 ps. It supports LVCMOS, LVPECL, and LVDS outputs, operates from a 3.3 V supply, and is housed in a 48-VFQFN package. These specs make it ideal for high-speed data converter and networking applications.

What is the best drop-in replacement for CDCM6208VFRGZR?

The best drop-in replacement for CDCM6208VFRGZR is the CDCM6208V1FRGZR, which is pin-compatible and functionally equivalent. Other alternatives include the CDCM6208V1RGZR and CDCM6208RGZR, both from TI, sharing the same 48-VFQFN package. Cross-brand options like the LMK04828 from TI are not pin-compatible, so verify before use.

Can CDCM6208VFRGZR replace CDCM6208V1FRGZR?

Yes, the CDCM6208VFRGZR can replace the CDCM6208V1FRGZR as they are pin-compatible and share the same core specifications. The 'V1' suffix may indicate a different factory configuration, but the devices are functionally equivalent. Always verify the default register settings to ensure they match your application.

What is the best Analog Devices equivalent for CDCM6208VFRGZR?

A potential Analog Devices equivalent is the AD9528, which is a 14-output clock generator with jitter cleaning. However, the AD9528 is not pin-compatible with the CDCM6208VFRGZR, so it is not a drop-in replacement. For a true drop-in, stick with TI variants like the CDCM6208V1FRGZR.

Engineering reference data for CDCM6208VFRGZR — comparison, design guidance, and compliance information.

Selection Guide

Choose the CDCM6208VFRGZR when you need a low-power, low-jitter clock generator with 8 outputs and fractional dividers. It is ideal for applications like data converter clocking, Ethernet, and wireless base stations. If you require a different default configuration, consider the CDCM6208V1FRGZR, which is pin-compatible. For higher output counts or different package options, the LMK04828B offers more outputs but in a larger package and higher power. The AD9528 from Analog Devices is a functional alternative but not pin-compatible, so it requires a PCB redesign. For most designs, the CDCM6208VFRGZR provides the best balance of performance, power, and size.

Comparison with Alternatives

Parameter	This Product	CDCM6208V1FRGZR	CDCM6208V1RGZR	CDCM6208RGZR
Package	48-VFQFN (RGZ)	48-VFQFN (RGZ)	48-VFQFN (RGZ)	48-VFQFN (RGZ)
Brand	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Output Frequency	Up to 800 MHz	Up to 800 MHz	Up to 800 MHz	Up to 800 MHz
Jitter (RMS)	0.5 ps	0.5 ps	0.5 ps	0.5 ps
Number of Outputs	8	8	8	8
Supply Voltage	3.3 V	3.3 V	3.3 V	3.3 V
Interface	SPI/I2C	SPI/I2C	SPI/I2C	SPI/I2C
Operating Temperature	-40C to +85C	-40C to +85C	-40C to +85C	-40C to +85C

Key Differentiators

Ultra-low power consumption (vs LMK04828B)
Smaller package (vs LMK04828B)
Pin-compatible with other CDCM6208 variants (vs AD9528BCPZ)

Design Notes

Decouple each VDD pin with a 0.1uF ceramic capacitor placed as close as possible to the pin. Additionally, use a 10uF bulk capacitor on the main supply. The CDCM6208 operates from 3.3V; ensure the supply is clean to minimize jitter. Refer to TI's layout guidelines in the datasheet for optimal power filtering.

Use a solid ground plane under the device and connect the exposed thermal pad to ground with multiple vias. This improves thermal performance and reduces ground bounce. Keep high-speed output traces short and matched in length to maintain signal integrity. Avoid routing clock traces near noisy digital lines.

Ensure the reference input is clean and within the specified frequency range. Incorrect loop filter component values can cause PLL instability. Also, configure the device via SPI/I2C before enabling outputs to avoid glitches. Refer to the datasheet for recommended startup sequence.