ICS91718YMLF-T View Datasheet(PDF) - Integrated Circuit Systems

Part Name

Description

Manufacturer

ICS91718YMLF-T

Low EMI, Spread Modulating, Clock Generator

Integrated Circuit Systems 

ICS91718

Pin Descriptions

PIN

PIN NAME

#

PIN

TYPE

DESCRIPTION

1

CLKIN

IN Input clock

2

VDD

PWR Power supply, nominal 3.3V

3

GND

PWR Ground pin.

4 **CLKOUT/FS_IN0

CLKOUT modulated clock output

I/O FS_IN0 latched input, selects modulation percentage/type

5 REF_OUT/FS_IN1** I/O REF_OUT, unmodulated reference clock output

FS_IN1 latched input, selects modulation percentage/type

6

SDATA

I/O Data pin for I2C circuitry 5V tolerant

7

SCLK

IN Clock pin of I2C circuitry 5V tolerant

Asynchronous active low input pin used to power down the device into a

8

PD#*

low power state. The internal clocks are disabled and the VCO and the

IN crystal are stopped. The latency of the power down will not be greater

than 1.8ms.

* Internal Pull-Up Resistor

** Internal Pull-Down Resistor

0500D—07/15/04

2

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