Fanout Buffers

2022-04-08

●Device Overview: IDT offers the largest portfolio of off-the shelf fan-out buffers in the industry. Fan-out buffers are a useful building block of many clock trees, providing signal buffering and multiple copies of the input signal. Single output buffers are useful for translating a clock from one signaling standard to another (e.g. LVCMOS-in to LVPECL-out). Some devices have an integrated crystal oscillator, requiring only a low cost external fundamental-mode quartz crystal. The integrated oscillator provides an extremely low phase noise ref-erence clock to drive jitter-sensitive devices such as the clock inputs of PHYs. Some IDT fan-out buffers feature fully differential internal architecture—even devices with single-ended I/Os—reducing jitter caused by inherent common-mode noise rejection and improving output skew. The differential circuitry is constant-current and therefore injects less noise into system power supplies than single-ended solutions, reducing EMI compliance concerns.
●FUNCTIONS:
■Devices with up to 27 outputs
■Single-ended or differential outputs such as LVPECL, LVDS, HSTL, SSTL and CML available
■PCIe compliant HCSL outputs
■Differential output frequencies up to 3.2 GHz and single ended LVCMOS outputs for frequencies up to 350 MHz

IDT

854110I5T9075T9310853S6111I854S03649FCT2080549FCT3805B49FCT3805E49FCT805CT49FCT806A5V231074FCT2080774FCT3807E74FCT807CLV8108312I83948I83948I-147853S12I9DB123383168343-0185018516I8530I-015T9316MK74CB218B8532AY-0183918I83940I-019DB19338510218534-018344-01830S21I-01508557G-088302I8302-0183026I-0185102I85222-0285311I8532285411I85211BI-03854S712I858S011I74FCT380729DB2338305I85238523I-0385258533I-018535I-318545I-0283904I-0285104I830154I-08854104I854105853S314I854S204I8S89831I8S89832I2304NZG-1LF524551553554G-01A556M-045T305536P30007A6216516T39007A74FCT380749DB4339DB423B85214I85105I85310I-21853S014I5V230574FCT380758536I-338536-0183905I5T9306853S013I854S006I9DB6338308I8538I-268538-3183908I-0285108I85408I853S310I552G-02552AR-016P30006A9DB8339DB823B85218531-0183947I-147853S031I8321085210-3185310I-11851010

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Fanout Buffers

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