2

ICS9120-11

Pin Descriptions for ICS9120-11

* Pin 1 contains no loading capacitor.

PIN

NUMBER

PIN

NAME

TYPE

DESCRIPTION

1

X1

Input

External clock source.*

2

VDD

Power

+Power supply input.

3

GND

Power

Ground return for Pin 2.

4

OE

Input

Output Enable (tristates all outputs when at logic low level); has pull-up.

5

CLK1

Input

46.6 MHz clock output.

6

CLK2

Output

33.9 MHz clock output.

7

REF

Output

14.318 MHz reference clock output.

8

PD#

Input

Power-down input (powers-down entire device when low); has pull-up.