Allicdata Part #: | 85357AGI-01LFT-ND |
Manufacturer Part#: |
85357AGI-01LFT |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | IDT, Integrated Device Technology Inc |
Short Description: | IC CLK MULTIPLX 4:1/2:1 20TSSOP |
More Detail: | Clock Multiplexer IC 4:1, 2:1 750MHz 20-TSSOP (0.1... |
DataSheet: | 85357AGI-01LFT Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Type: | Multiplexer |
Number of Circuits: | 1 |
Ratio - Input:Output: | 4:1, 2:1 |
Differential - Input:Output: | Yes/Yes |
Input: | HCSL, LVDS, LVHSTL, LVPECL, SSTL |
Output: | LVPECL |
Frequency - Max: | 750MHz |
Voltage - Supply: | 3.135 V ~ 3.465 V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 20-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 20-TSSOP |
Base Part Number: | ICS85357-01 |
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Clock/Timing - Clock Buffers, Drivers refers to devices that help to control and manage the clocking of a particular system. The 85357AGI-01LFT from Texas Instruments is an LVTTL / LVCMOS / HCSL Clock Generator that is used to generate two different clocks with clock output frequencies from 15.625MHz to 566MHz. The device offers low jitter, low power, robustness, and EMI optimization. Not new, it has been used in computers and other digital electronics for decades and is an important component for synchronization in industrial machinery.
The 85357AGI-01LFT is basically a system of multiple synthesisers operating on the same oscillator and providing two differential outputs. The device is built on the basis of subharmonic mixing, meaning every frequency it can generate is derived from one source frequency. It also offers outputs with both fixed and adjustable frequency functions, allowing manual or software-driven synchronization. The device employs a DC-DC regulator, voltage doubler, and crystal oscillator in its system, providing excellent frequency stability.
The 85357AGI-01LFT has several input/output specifications. The output frequencies have an accuracy of ±100ppm,and the duty cycle is 45/55 or 50/50, with a rise or fall time as low as 4ns. It also has a total phase variation between outputs of 5ns. The power supply is always 5V single ended and the operating temperature range is 0°C to 70°C. The crystal oscillator can accept signals from 19.0 to 52.000MHz, and the maximum current output is 16mA.
In terms of application fields, the 85357AGI-01LFT is highly suitable for digital broadcast receivers, gaming systems, audio and video processing, as well as in communication, networking, automotive and military applications. The device is often used as a reference clock in applications where the stability of the oscillator is a high priority. It can be used in network and storage applications, providing the data rate, accuracy, and jitter performance that are necessary in these types of systems.
In terms of working principles, the 85357AGI-01LFT consists of a silicon oscillator that can be programmed to different frequencies via I2C. This signal is then amplified and multiplied to the desired output frequencies. The signal is passed through the internal DC-DC regulator and the voltage doubler, providing the optimal level of power supply for the device. The voltage doubler also provides a level of EMI (electromagnetic interference) protection. The device also has a jitter attenuator and Spread Spectrum Control to minimize or equalize jitter from the output signal.
In conclusion, the Texas Instruments 85357AGI-01LFT is a powerful clock generator used to generate two different clock outputs with clock output frequencies from 15.625MHz to 566MHz. It offers low jitter, low power, robustness, and EMI optimization, and is suitable for digital broadcast receivers, gaming systems, audio and video processing, communication, networking, automotive and military applications. It operates on the basis of subharmonic mixing, with inputs and outputs specifications as detailed above, and internal components such as a DC-DC regulator, voltage doubler, and crystal oscillator to provide excellent frequency stability.
The specific data is subject to PDF, and the above content is for reference
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