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PI6C2408-1L Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI6C2408-1L Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
1 / 10 page 1 PS8589E 09/15/04 Features • Maximumratedfrequency:140MHz • Low cycle-to-cycle jitter • Input to output delay, less than 150ps • External feedback pin allows outputs to be synchronized to the clock input • 5V tolerant input* • Operates at 3.3V VDD • Test mode allows bypass of the PLL for system testing purposes (e.g., IBIS measurements) • Clock frequency multipliers ½x to 4x dependent on option • Packaging (Pb-free and Green available): -16-pin,150-milSOIC (W) -16-pin173-milTSSOP (L) Description The PI6C2408 is a PLL-based, zero-delay buffer, with the ability to distribute eight outputs of up to 140 MHz at 3.3 V. Two banks of four outputs exist, and, depending on product option ordered, can supply either reference frequency, prescaled half frequency, or multiplied2xor4xinputclockfrequencies. ThePI6C2408familyhas a power-sparing feature: when input SEL2 is 0, the component will 3-state one or both banks of outputs depending on the state of input SEL1. A PLL bypass test mode also exists. This product line is available in high-drive and industrial environment versions. An external feedback pin is used to synchronize the outputs to the input; the relationship between loading of this signal and the other outputs determines the input-output delay. The PI6C2408 is characterized for both commercial and industrial operation. Block Diagram PinConfiguration 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Zero-Delay Clock Buffer PI6C2408 * FB_IN and CLKIN must reference the same voltage thresh- olds for the PLL to deliver zero delay skewing PLL Option (-3, -4) CLKIN FB_IN SEL1 SEL2 Decode Logic Decode Logic OUTA1 OUTA2 OUTA3 OUTA4 OUTB2 OUTB3 OUTB4 OUTB1 PI6C2408 (-1, -1H, -2, -3, -4) ÷2 PLL CLKIN FB_IN SEL2 SEL1 OUTA1 OUTA2 OUTA3 OUTA4 OUTB2 OUTB3 OUTB4 OUTB1 PI6C2408-6 MUX ÷2 ÷2 Option (-2, -3) MUX MUX 1 2 3 VDD 4 GND 5 OUTA2 6 OUTB2 7 SEL1 8 OUTB1 FB_IN OUTA3 VDD OUTB4 OUTB3 SEL2 16 15 14 13 12 11 10 9 CLKIN OUTA1 GND OUTA4 16-Pin W, L |
Similar Part No. - PI6C2408-1L |
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Similar Description - PI6C2408-1L |
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