Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.

Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com

PREHEATING

REFLOW

COOLING

240 °C

150 °C

25 °C

TIME (SECONDS)

100 s TYPICAL

10 s

HIGH FREQUENCY, LOW JITTER, LEADED OSCILLATOR

FOR GIGABIT ETHERNET APPLICATIONS

MODEL CE2450A

SPECIFICATIONS

PIN CONNECTION

OUTLINE DRAWING

PACKAGING

REFLOW SOLDERING PROFILE

FEATURES

LOW JITTER

3rd OVERTONE CRYSTAL DESIGN

REVISION: C

DATE: 4/3/03

COLORED DOT

INDICATES

PIN 1 LOCATION

PIN 1

PIN 8

PIN 5

PIN 4

MARKING

AREA

.018 ± .003 DIA

0.46 ± .08

DIA

.300 ± .005

7.62 ± .13

13.21 MAX

.520 MAX

PIN

FUNCTION

1E/D

4

CASE/GND

5OUTPUT

8Vcc

Scale none Dimension in

mm

inch

40 PIECES PER PLASTIC TUBE

PARAMETER

SYMBOL

CONDITIONS

VALUE

UNIT

SUPPLY VOLTAGE, NOMINAL

Vcc

Vcc ±5%

3.3

V

SUPPLY CURRENT, MAX

Is

Vcc=3.3V, Ta=25ºC, 15pF LOAD

70.0

mA

NOMINAL FREQUENCY

fo

-

125.00, 133.00, 156.25

MHz

OVERALL FREQUENCY STABILITY MAX

f/fc (Ta)

Ta=-40ºC to +85ºC, (REF. TO 25ºC),

Vcc=+3.3 VDC, 15pF LOAD

±50.0

PPM

HCMOS

VOH / VOL

LOAD=15pF; Vcc=3.3V

2.97 / 0.3

V

DUTY CYCLE

DC

LOAD, NOM. / 50% Vcc

40 TO 60

%

RISE & FALL TIME, MAX

tr / tf

20% TO 80% Vout, 80% TO 20% Vout

3

ns

ENABLE OPTION

DISABLE OPTION

(pin 1)

(pin 1)

PIN 1 = "HIGH" OR OPEN

PIN 1 = "LOW " OR GROUND

OSCILLATING

TRI-STATE (OUTPUT PIN HIGH-Z)

-

-

JITTER

J

Fj > 1 KHz, 1

1 pS RMS

pS

STORAGE TEMPERATURE

T(store)

-

-55 TO +125

ºC

ABSOLUTE VOLTAGE RANGES

Vcc, Vc(abs) NON-DESTRUCTIVE, DC

-0.5 TO +7.0

V

EXAMPLE:

CE2450A-D3-125.000