CDCE6214TWRGERQ1 - Ultra-Low Power Clock Generator | TI
料号： CDCE6214TWRGERQ1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.5 | $4.50 |
| 10 | $4.05 | $40.50 |
| 100 | $3.6 | $360.00 |
| 500 | $3.24 | $1,620.00 |
| 1,000 | $2.88 | $2,880.00 |
CDCE6214TWRGERQ1 概述
A clock generator is a semiconductor device that produces one or more clock signals from a reference input, typically using a phase-locked loop (PLL) to multiply or divide frequencies. It is a fundamental building block in digital systems, providing timing signals for processors, interfaces, and data converters. Clock generators are part of the broader category of timing and synchronization ICs, which also includes clock buffers, jitter cleaners, and frequency synthesizers.
Key features include ultra-low power consumption, medium-grade jitter performance, and a configurable high-performance low-power fractional-N PLL. The device supports I2C-compatible interface up to 400kHz, integrated EEPROM with two pages and an external select pin, and in-situ programming. It also supports 100Ω systems and offers low electromagnetic emissions. The small 24-pin VQFN footprint (4mm x 4mm) enables compact designs.
Technically, the CDCE6214-Q1 uses a fractional-N PLL architecture that allows precise frequency synthesis with low spurious content. The RMS jitter with spurs (12kHz - 20MHz, Fout > 100MHz) is specified for integer and fractional modes, ensuring reliable operation in high-speed serial links. The device is AEC-Q100 qualified for automotive applications, meeting stringent reliability and temperature requirements.
Typical applications include advanced driver assistance systems (ADAS), automotive infotainment, and industrial automation where multiple clock domains are required. The device can generate clocks for PCIe, Ethernet, and other high-speed interfaces, providing a single-chip solution for clock tree generation.
When designing with this device, ensure proper power supply decoupling with 0.1uF and 1uF capacitors close to the VDD pins. The EEPROM can be programmed in-situ via I2C, allowing flexible configuration without external programming hardware. Consider the output driver modes to match the load requirements and minimize signal integrity issues.
直接替换替代料： CDCE6214TWRGERQ1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
LMK5C33216RGCR
✓ 有现货
$35 / 个
查看数据手册 →CDCM6208VFRGZR
✓ 有现货
$8.1 / 个
查看数据手册 →CDCE6214TWRGER
📋 参考替代料（不在目录中）
Si5338
📋 参考替代料（不在目录中）
CDCE6214TWRGERQ1 规格参数
| Output Frequency | 350 MHz |
| 输出数量 | 4 differential |
| Inputs | 2 |
| PLL | 1 fractional-N |
| 电源电压 | 3.3 V |
| 接口 | I2C up to 400 kHz |
| EEPROM | 2 pages, external select pin |
| 封装 | 24-VFQFN (4mm x 4mm) |
| 工作温度 | -40C to +125C |
| Jitter | Medium grade |
| PCIe Support | Gen 1-5 |
| Output Driver Modes | Various, selectable |
| RMS Jitter with Spurs | 12 kHz - 20 MHz, Fout > 100 MHz |
| AEC-Q100 | Qualified |
| RoHS | Compliant |
CDCE6214TWRGERQ1 引脚配置
| 引脚 1 | VDD — Power supply |
| 引脚 2 | GND — Ground |
| 引脚 3 | IN0 — Input clock 0 |
| 引脚 4 | IN1 — Input clock 1 |
| 引脚 5 | OUT0 — Differential output 0 |
| 引脚 6 | OUT0B — Complementary output 0 |
| 引脚 7 | OUT1 — Differential output 1 |
| 引脚 8 | OUT1B — Complementary output 1 |
| 引脚 9 | OUT2 — Differential output 2 |
| 引脚 10 | OUT2B — Complementary output 2 |
| 引脚 11 | OUT3 — Differential output 3 |
| 引脚 12 | OUT3B — Complementary output 3 |
| 引脚 13 | SDA — I2C data |
| 引脚 14 | SCL — I2C clock |
| 引脚 15 | SEL — EEPROM page select |
| 引脚 16 | EN — Enable |
| 引脚 17 | VDD — Power supply |
| 引脚 18 | GND — Ground |
| 引脚 19 | NC — No connect |
| 引脚 20 | NC — No connect |
| 引脚 21 | NC — No connect |
| 引脚 22 | NC — No connect |
| 引脚 23 | NC — No connect |
| 引脚 24 | NC — No connect |
典型应用
CDCE6214TWRGERQ1 适用于 6 应用s: ADAS, Automotive Infotainment, Industrial Automation, Networking Equipment, Test and Measurement, Data Center.
ADAS
The CDCE6214TWRGERQ1 generates low-jitter clocks for ADAS processors, cameras, and radar modules. Its AEC-Q100 qualification and wide temperature range ensure reliable operation in harsh automotive environments. The device supports PCIe Gen 1-5, making it ideal for high-speed data links in sensor fusion systems. With ultra-low power consumption, it helps meet stringent automotive power budgets. The small 4mm x 4mm VQFN package fits space-constrained ECU designs.
推荐
Automotive Infotainment
In infotainment systems, the CDCE6214TWRGERQ1 provides clocks for audio DACs, USB controllers, and display interfaces. Its low EMI and programmable outputs reduce interference with sensitive audio and video signals. The I2C interface allows dynamic reconfiguration for different media sources. The device's small footprint and low power are ideal for head units and telematics. It supports multiple output formats, including LVPECL and LVDS, to interface with various components.
推荐
Industrial Automation
The CDCE6214TWRGERQ1 is used in industrial controllers and PLCs to generate clocks for Ethernet, fieldbus, and processor interfaces. Its wide temperature range and robust design ensure reliable operation in factory environments. The device's low power consumption reduces heat in sealed enclosures. The EEPROM allows pre-programmed configurations for quick deployment. The fractional-N PLL provides flexible frequency synthesis for various industrial protocols.
推荐
Networking Equipment
In switches and routers, the CDCE6214TWRGERQ1 generates clocks for PCIe, Ethernet, and SerDes interfaces. Its support for PCIe Gen 1-5 ensures compatibility with modern networking standards. The low jitter performance maintains signal integrity in high-speed data paths. The device's multiple outputs reduce component count and board space. The I2C interface enables dynamic clock configuration for different operating modes.
推荐
Test and Measurement
The CDCE6214TWRGERQ1 provides precise clocks for test equipment, including oscilloscopes and signal generators. Its low jitter and programmable outputs allow accurate timing for measurement applications. The device's small size is beneficial for portable instruments. The EEPROM enables quick setup for different test scenarios. The wide frequency range supports various test standards.
推荐
Data Center
In data center equipment, the CDCE6214TWRGERQ1 generates clocks for servers, storage, and networking. Its low power consumption is critical for energy-efficient data centers. The device supports PCIe Gen 1-5, ensuring compatibility with high-speed interconnects. The small footprint allows dense board layouts. The I2C interface enables remote configuration and monitoring.
推荐
推荐产品汇总
工程参考数据： CDCE6214TWRGERQ1 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | CDCE6214TWRGER | LMK5C33216RGCR | CDCM6208VFRGZR | Si5338 |
|---|---|---|---|---|---|
| Package | 24-VFQFN (4mm x 4mm) | 24-VFQFN (4mm x 4mm) | 24-VFQFN (4mm x 4mm) | 24-VFQFN (4mm x 4mm) | 24-QFN (4mm x 4mm) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Skyworks Solutions |
| Max Output Frequency | 350 MHz | 350 MHz | 3.3 GHz | 800 MHz | 710 MHz |
| Number of Outputs | 4 differential | 4 differential | 6 differential | 8 differential | 4 differential |
| PLL Count | 1 | 1 | 2 | 2 | 1 |
| AEC-Q100 | Qualified | Not qualified | Not qualified | Not qualified | Not qualified |
| Interface | I2C | I2C | I2C/SPI | I2C/SPI | I2C |
| EEPROM | 2 pages | 2 pages | Yes | Yes | Yes |
关键差异点
- Automotive AEC-Q100 qualification （对比 CDCE6214TWRGER)
- Ultra-low power consumption （对比 LMK5C33216RGCR)
- Small footprint （对比 CDCM6208VFRGZR)
设计说明
Decouple the VDD pins with 0.1uF and 1uF capacitors placed as close as possible to the pins. Use a low-ESR ceramic capacitor for high-frequency noise. The device operates from a 3.3V supply; ensure the supply is clean and stable to minimize jitter.
Route differential output pairs with controlled impedance (e.g., 100Ω differential) and keep trace lengths matched. Avoid vias on high-speed clock traces if possible. Place the device close to the load to minimize skew and signal degradation.
Ensure the EEPROM select pin (SEL) is properly configured to select the desired page. Do not leave unused inputs floating; tie them to GND or VDD as appropriate. Verify the output driver mode matches the load requirements to avoid signal integrity issues.
合规信息
AEC-Q100 qualified per TI product page. RoHS compliant. REACH compliance assumed based on TI's global compliance.
