PI6CV857 View Datasheet(PDF) - Pericom Semiconductor

Part Name

Description

MFG CO.

PI6CV857

PLL Clock Driver for 2.5V DDR-SDRAM Memory

Pericom Semiconductor 

1 2 3 4 5 6 7 8 9 10

PI6CV857

PLL Clock Driver

for 2.5V DDR-SDRAM Memory 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

Yx,FBOUT

Yx,FBOUT

tcycle n

tcycle n+1

tjit(cc) = tcycle n - tcycle n+1

Figure 3. Cycle-to-Cycle Jitter

CK

CK

FBIN

FBIN

t( ) n

t=

n=N

1 t( ) n

N

t( ) n+1

(N is a large number of samples)

Figure 4. Static Phase Offset

Yx

Yx

Yx, FBOUT

Yx, FBOUT

t sk(o)

Figure 5. Output Skew

08-0298

8

PS8464F

11/06/08

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