PCS3I8504A

http://onsemi.com

2

VDD

GND

SSON

ModOUT

MR

PLL

XOUT

XIN/CLKIN

SSEXTR

Crystal

Oscillator

Figure 1. Block Diagram

Table 1. PIN DESCRIPTION

Pin#

Pin Name

Type

Description

1

XIN / CLKIN

I

Crystal connection or External reference clock input.

2

XOUT

O

Crystal connection. If using an external reference, this pin should be left open.

3

SSON

I

Spread Spectrum ON/OFF. Spread Spectrum function enabled when HIGH, disabled when

LOW. Has an internal pull−up resistor.

4

GND

P

Ground

5

ModOUT

O

Modulated clock output

6

MR

I

Modulation Rate Select. When LOW selects Low Modulation Rate. Selects High Modulation

Rate when pulled HIGH. Has an internal pull−up resistor.

7

SSEXTR

I

Analog Deviation Selection through external resistor to GND.

8

P

3.3 V supply Voltage.

Table 2. OPERATING CONDITIONS

Symbol

Parameter

Min

Max

Unit

Supply Voltage

3

3.6

V

Operating Temperature

Industrial

−40

85

°C

Load Capacitance

10

pF

Input Capacitance

7

pF

Table 3. ABSOLUTE MAXIMUM RATING

Symbol

Parameter

Rating

Unit

Voltage on any input pin with respect to Ground

−0.5 to +4.6

V

Storage Temperature

−65 to +125

°C

Max. Soldering Temperature (10 sec)

260

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may

affect device reliability.