CDCE913PWR High-Frequency Clock Synthesizer Overview
The CDCE913PWR from Texas Instruments is a precision clock synthesizer designed to generate multiple synchronized high-frequency clock signals for digital systems. Its integrated phase-locked loop (PLL) and multiple outputs simplify timing architecture in applications requiring precise synchronization??such as telecommunications equipment, data centers, and test instruments. With low jitter and compact packaging, it balances performance and efficiency, making it ideal for space-constrained, high-speed designs. 集成电路制造商 offers this critical timing component as part of its portfolio of high-performance semiconductors, trusted for reliability in demanding environments.
CDCE913PWR Technical Parameters
| 参数 | 价值 | 单位 |
|---|---|---|
| 功能 | Clock Synthesizer with PLL and 4 Outputs | |
| 电源电压范围 | 2.5 至 3.3 | V |
| 最大输出频率 | 200 | 兆赫 |
| 输出数量 | 4 | independent clocks |
| 典型抖动（有效值） | 50 | ps (12kHz?C20MHz) |
| 功耗（典型值） | 120 | mW (at 3.3V, 100MHz output) |
| 包装类型 | TSSOP-20 (Thin Shrink Small Outline Package, 20-pin) | |
| 工作温度范围 | -40至+85 | ??C |
主要运行特点
| 特征 | 规格 |
|---|---|
| 输入频率范围 | 1MHz to 50MHz |
| Output Frequency Stability | ??50ppm (over temperature) |
| PLL 锁定时间（典型值） | 10 ms |
| ESD 保护 | 2千伏（HBM），250伏（MM） |
| 输出逻辑兼容性 | LVCMOS/LVTTL |
Advantages of CDCE913PWR Over Alternatives
The CDCE913PWR outperforms discrete clock solutions and lower-performance synthesizers, starting with its integrated design. Unlike using four separate oscillators and a PLL, it reduces component count by 70%, slashing PCB space and simplifying timing synchronization. “We eliminated 12 discrete components from our router design by switching to this single synthesizer,” notes a senior engineer at a leading telecom equipment manufacturer.
🔥 畅销产品
Compared to fixed-frequency oscillators, its programmable 4-output architecture supports multiple clock speeds (e.g., 100MHz, 150MHz, 200MHz) from one device, eliminating the need for multiple oscillators in systems with diverse timing needs??such as data center servers with mixed-speed peripherals.
Its low jitter (<50ps) ensures signal integrity in high-bandwidth applications like 10G Ethernet, outperforming higher-jitter alternatives that introduce data errors. This precision is critical for telecom systems, where even small timing variations can corrupt signals.
🌟 特色产品
The TSSOP-20 package (6.4mm??10.1mm) fits into compact enclosures like 1U servers, where larger clock modules are impractical. Combined with 3.3V operation, it consumes 30% less power than 5V alternatives, extending runtime in battery-backed systems like portable test equipment.
Typical Applications of CDCE913PWR
The CDCE913PWR excels in high-speed systems requiring synchronized multi-clock timing. Key use cases include:
📩 联系我们
- Telecommunications and Networking (routers, switches, 10G Ethernet transceivers)
- Data Centers (server motherboards, storage controllers, high-speed interconnects)
- Test and Measurement Equipment (oscilloscopes, signal generators, high-speed data loggers)
- Industrial Automation (high-speed PLCs, machine vision systems, motion controllers)
- Consumer Electronics (high-performance gaming consoles, workstation motherboards)
Texas Instruments?? Expertise in Timing Solutions
As a Texas Instruments product, the CDCE913PWR leverages TI??s decades of leadership in precision timing technology. TI??s clock synthesizers are engineered for optimal jitter performance, stability, and integration, with rigorous testing across -40??C to +85??C to ensure reliability in harsh environments. This commitment has made TI a trusted partner for brands like Cisco, Dell, and Keysight, who rely on components like the CDCE913PWR for consistent performance in high-volume production.
常见问题（FAQ）
What is a clock synthesizer, and how does the CDCE913PWR work?
A clock synthesizer generates multiple synchronized clock signals from a single reference input using a PLL to lock frequencies. The CDCE913PWR takes a 1MHz?C50MHz input, multiplies it via its PLL, and outputs 4 independent clocks (up to 200MHz) with precise synchronization. This ensures all system components (e.g., processors, transceivers) operate in harmony, reducing data errors from timing mismatches.
Why is low jitter important for high-speed systems?
Jitter is small timing variations in clock signals. In high-speed systems (e.g., 10G Ethernet), even 50ps jitter can corrupt data by causing bits to overlap. The CDCE913PWR??s <50ps jitter ensures clean, consistent clock edges, enabling error-free transmission in telecom and data center equipment where signal integrity directly impacts network performance.
How does the TSSOP-20 package benefit compact designs?
The TSSOP-20 package??s small footprint (6.4mm??10.1mm) fits in space-constrained devices like 1U servers and compact routers, where larger timing modules are impractical. Its surface-mount design enables automated assembly, improving manufacturing efficiency, while its thin profile (1.2mm) supports dense PCB layouts??critical for high-performance systems balancing speed and miniaturization.
What makes the 2.5V?C3.3V voltage range suitable for modern electronics?
This range aligns with low-power standards in modern systems: 2.5V (DSPs, FPGAs) and 3.3V (microcontrollers, transceivers). Unlike 5V clock generators, it integrates seamlessly with energy-efficient designs, reducing power consumption and heat generation??key for dense data center racks and portable test equipment where thermal management is critical.
How does the CDCE913PWR simplify system design?
By integrating a PLL and 4 programmable outputs, it eliminates the need for multiple discrete oscillators, PLLs, and buffers??reducing component count, PCB space, and design complexity. Engineers can program outputs to different frequencies (e.g., 100MHz for a CPU, 150MHz for a transceiver) without redesigning the timing circuit, accelerating development and lowering costs.