ICS502 datasheet(2/7 Pages) IDT

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ICS502

LOCO™ PLL CLOCK MULTIPLIER

CLOCK MULTIPLIER

IDT™ / ICS™ LOCO™ PLL CLOCK MULTIPLIER

ICS502

REV M 051310

Pin Assignment

Clock Decoding Table (MHz)

Minimum input frequency for all selections is per table on

page 3.

0 = connect directly to ground

1 = connect directly to VDD

M = leave unconnected (floating)

Common Output Frequency Examples (MHz)

Pin Descriptions

X1/ICLK

VDD

GND

REF

CLK

8 Pi n ( 150 mi l ) SOI C

S1 S0

CLK

x3.33

x2.5

Output

33.33

37.5

Input

13.5

Selection (S1, S0)

0, 0

1, 1

M, 0

0, 0

M, 1

1, 1

0, 0

M, 0

1, 1

1, 0

M, 0

Output

66.66

100

108

120

135

Input

Selection (S1, S0)

1, 0

M, 1

M, 0

0, 1

1, 0

M, 0

M, 1

0, 1

1, 0

0, 1

Number

Name

Type

Pin Description

XI/ICLK

Input

Crystal connection or clock input.

VDD

Power

Connect to +3.3 V or +5 V.

GND

Power

Connect to ground.

REF

Output

Buffered crystal oscillator output clock.

CLK

Output

Clock output per table above.

Input

Select 0 for output clock. Connect to GND or VDD.

Input

Select 1 for output clock. Connect to GND or VDD or float.

Input

Crystal connection. Leave unconnected for clock input.

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