Allicdata Part #: | CDC2509BPWRG4-ND |
Manufacturer Part#: |
CDC2509BPWRG4 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC 3.3V PLL CLK-DRVR 24-TSSOP |
More Detail: | N/A |
DataSheet: | CDC2509BPWRG4 Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Not For New Designs |
Type: | PLL Clock Driver |
PLL: | Yes with Bypass |
Input: | LVTTL |
Output: | LVTTL |
Number of Circuits: | 1 |
Ratio - Input:Output: | 1:9 |
Differential - Input:Output: | No/No |
Frequency - Max: | 125MHz |
Divider/Multiplier: | No/No |
Voltage - Supply: | 3 V ~ 3.6 V |
Operating Temperature: | 0°C ~ 70°C |
Mounting Type: | Surface Mount |
Package / Case: | 24-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 24-TSSOP |
Base Part Number: | CDC2509 |
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The CDC2509BPWRG4 is a clock synthesizer optimized for high-performance processor, system, interface and memory clocking applications. It includes an embedded PLL and voltage-controlled oscillator (VCO) and provides high output frequencies, fast locking time and low jitter. It also offers a wide array of features such as programmable output frequency, selectable spread spectrum and programmable slew rate.
The CDC2509BPWRG4 is especially designed for Memory and System-On-Chip applications that require multiple, tightly regulated clock frequencies. It can generate up to eight clocks from a single crystal or reference input. It is available in a 1.6 mm x 1.6 mm 16-pin BGA package.
Applications
- Network processor/ router/ switch
- Storage system and RAID
- I/O board, industrial computer/ instrument
- Multi-processor system
- Multi-function peripherals
- MPEG decoder
Working Principle
The CDC2509BPWRG4 uses a phase-locked loop (PLL) and voltage-controlled oscillator (VCO) to generate multiple, tightly regulated clocks from a single crystal or reference input. The PLL locks onto the reference input, which can be a crystal oscillator, a signal from a silicon-germanium (SiGe) synthesizer, or a nominal 100MHz, 200MHz, or 400MHz input signal. The PLL then provides a feedback signal to the VCO to ensure frequency accuracy. The VCO frequency is determined by the ratio between the feedback signal and the reference frequency. The higher the ratio, the higher the VCO frequency.
The CDC2509BPWRG4 also has programmable output frequency and selectable spread spectrum modes. The programmable output frequency enables customers to tailor the output clock frequency to their needs without the need for external components. The selectable spread spectrum modes reduce the spectral energy of the output clock to reduce EMI. It also includes programmable output slew rate, which can be configured to reduce ringing on the output clocks.
The CDC2509BPWRG4 also has many other features designed to improve system performance and reliability. It provides an output disable feature with programmable duration, which enables customers to identify and quickly remove faulty components from their design. It also provides an LED output to indicate when the PLL is locked, making it easy to quickly detect and troubleshoot PLL-related system problems.
The CDC2509BPWRG4 requires only a single reference input and is ultra-compact and highly efficient, making it an ideal clocking solution for today\'s high-speed processor, system, interface, and memory applications.
The specific data is subject to PDF, and the above content is for reference
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