P3PS850BH

http://onsemi.com

2

GND

SSEXTR

CLKIN

ModOUT

(Timing−Safe)

PLL

FS

PD#/OE

MR

Figure 1. Block Diagram

Table 1. PIN DESCRIPTION

Pin#

Pin Name

Type

Description

1

CLKIN

I

External reference Clock input.

2

PD# / OE

I

Power Down. Pull LOW to enable Power Down. Outputs will be tri−stated when power down is en-

abled. Pull HIGH to disable power down and enable output. NO default state.

3

FS

I

Frequency Select .NO default state. Refer to the Frequency Selection table

4

GND

P

Ground

5

ModOUT

O

Buffered modulated Timing−Safe 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

Supply Voltage

Table 2. FREQUENCY SELECTION TABLE

FS

Frequency (MHz)

0

18−36

1

36−72

Table 3. OPERATING CONDITIONS

Symbol

Parameter

Min

Max

Unit

Supply Voltage

2.3

3.6

V

Operating Temperature

−20

+85

°C

Load Capacitance

15

pF

Input Capacitance

7

pF