Product Summary

The IDT5V925 is a high-performance, low skew, low jitter phase-locked loop (PLL) clock driver. It provides precise phase and frequency alignment of its clock outputs to an externally applied clock input or internal crystal oscillator. The IDT5V925 has been specially designed to interface with Gigabit Ethernet and Fast Ethernet applications by providing a 125MHz clock from 25MHz input. It can also be programmed to provide output frequencies ranging from 3.125MHz to 160MHz with input frequencies ranging from 3.125MHz to 80MHz. The applications of the IDT5V925 are (1)Ethernet/fast ethernet; (2)Router; (3)Network switches; (4)SAN; (5)Instrumentation.

Parametrics

IDT5V925 absolute maximum ratings: (1)VTERM Supply Voltage to Ground: –0.5 to +7 V; (2)DC Output Voltage VOUT: –0.5 to VCC +0.5 V; (3)DC Input Voltage VIN: –0.5 to +7 V; (4)TA = 85℃ Maximum Power Dissipation: 55 W; (5)TSTG Storage Temperature: –65 to +150℃.

Features

IDT5V925 features: (1)3V to 3.6V operating voltage; (2)3.125 MHz to 160MHz output frequency range; (3)4 programmable frequency outputs; (4)Input from fundamental crystal oscillator or external source; (5)Balanced Drive Outputs ±12mA; (6)PLL disable mode for low frequency testing; (7)Select inputs (S[1:0]) for divide selection (multiply ratio of 2,3, 4, 5, 6, 7, and 8); (8)5V tolerant inputs; (9)Low output skew/jitter; (10)External PLL feedback, internal loop filter; (11)Available in 16-pin QSOP package.

Diagrams

IDT5V925 block diagram

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IDT5V925
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