PI6C2402WE Pericom Semiconductor, PI6C2402WE Datasheet

PI6C2402WE

Manufacturer Part Number

PI6C2402WE

Description

IC PLL CLOCK DRIVER 8-SOIC

Manufacturer

Pericom Semiconductor

Type

PLL Clock Driverr

Datasheet

1.PI6C2402WE.pdf (4 pages)

Specifications of PI6C2402WE

Pll

Yes with Bypass

Input

TTL

Output

TTL

Number Of Circuits

Ratio - Input:output

1:1

Differential - Input:output

No/No

Frequency - Max

134MHz

Divider/multiplier

Yes/No

Voltage - Supply

3 V ~ 3.6 V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

8-SOIC

Frequency-max

134MHz

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Features

• Clock doubler

• High-Performance Phase-Locked-Loop Clock Dis tri bu tion for

• Zero Input-to-Output delay

• Cycle-to-Cycle jitter ≤ ±150ps max.

• On-chip series damping resistor at clock output drivers

• Operates at 3.3V V

• Packaging (Pb-free & Green available):

Block Diagram

FB_IN

Networking, ATM, 100 MHz and 134 MHz Registered DIMM

Syn chro nous DRAM modules for server, workstation, and PC

applications

for low noise and EMI reduction

— 8-pin SOIC Package (W)

Reference

CLK_IN

Clock

Signal

08-0298

Figure 1. Zero-Delay Buffering Diagram

÷2

Zero Delay

PI6C2402

Buffer

PLL

Feedback

CLK_OUT

18 Output

Non-Zero

Delay

Buffer

CLK_OUT

Description

The PI6C2402 features a low-skew, low-jitter, Phase-Locked Loop

(PLL) clock driver. By connecting the feedback CLK_OUT out-

put to the feedback FB_IN input, the prop a ga tion delay from the

CLK_IN input to any clock output will be nearly zero. The PI6C2402

provides 2X CLK_IN on CLK_OUT output.

Applications

If the system designer needs more than 16 outputs with the fea-

tures just described, using two or more zero-delay buffers such

as the PI6C2509, and the PI6C2510, are likely to be impractical.

The device-to-device skew introduced can sig niﬁ cant ly reduce

the per for mance. Pericom rec om mends the use of a zero-delay

buffer and an eighteen output non-zero-delay buffer. As shown in

Figure 1, this com bi na tion produces a zero-delay buffer with all the

signal char ac ter is tics of the original zero-delay buffer, but with as

many outputs as the non-zero-delay buffer part. For example, when

combined with an eighteen output non-zero delay buffer, a system

designer can create a seventeen-output zero-delay buffer.

Pin Conﬁ guration

Control Input

HIGH

LOW

CLK_OUT

Phase-Locked Loop Clock Driver

CLK_IN

AGND

Outputs Source

CLK_IN

PLL

FB_IN

GND

PLL Shutdown

PS8418I

PI6C2402

Disabled

Enabled

11/13/08

Related parts for PI6C2402WE

PI6C2402WE Summary of contents

Page 1

Features • Clock doubler • High-Performance Phase-Locked-Loop Clock Dis tri bu tion for Networking, ATM, 100 MHz and 134 MHz Registered DIMM Syn chro nous DRAM modules for server, workstation, and PC applications • Zero Input-to-Output delay • Cycle-to-Cycle jitter ...

Page 2

Pin Functions Name Number Type CLK_IN Power CC AGND 3 Ground CLK_OUT GND 6 Ground V 7 Power CC FB_IN 8 I (1) (Over operating free-air temperature range) Absolute Maximum Ratings ...

Page 3

Electrical Characteristics (Over recommended operating free-air temperature range) Symbol Test Conditions ( GND GND GND ...

Page 4

... X.XX DENOTES DIMENSIONS IN MILLIMETERS X.XX (1,2,3) Ordering Information Ordering Code PI6C2402WE Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging Pb-free & Green 3. X sufﬁ Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 08-0298 .149 3.78 .157 3.99 0-8° ...

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