HIGH FREQUENCY, LOW JITTER, LEADED OSCILLATOR FOR GIGABIT ETHERNET APPLICATIONS
www.DataSheet4U.com
FEATURES
LOW JITTER 3rd OVERTONE CRYSTAL DESIGN
MODEL CE7450A
SPECIFICATIONS
PARAMETER SUPPLY VOLTAGE, NOMINAL SUPPLY CURRENT, MAX NOMINAL FREQUENCY OVERALL FREQUENCY STABILITY MAX HCMOS DUTY CYCLE RISE & FALL TIME, MAX ENABLE OPTION DISABLE OPTION JITTER STORAGE TEMPERATURE ABSOLUTE VOLTAGE RANGES CONDITIONS Vcc ±5% Vcc=3.3V, Ta=25º C, 15pF LOAD Ta=-40º C to +85º C, (REF. TO 25º C), f/fc (Ta) Vcc=+3.3 VDC, 15pF LOAD VOH / VOL LOAD=15pF; Vcc=3.3V DC LOAD, NOM. / 50% Vcc tr / tf 20% TO 80% Vout, 80% TO 20% Vout (pin 1) (pin 1) J PIN 1 = "HIGH" OR OPEN PIN 1 = "LOW " OR GROUND Fj > 1 KHz, 1 SYMBOL Vcc Is fo
REVISION: B DATE: 10/30/01
VALUE 3.3 70.0 125.00, 133.00, 150.25 ±50.0 2.97 / 0.3 40 TO 60 3 OSCILLATING TRI-STATE (OUTPUT PIN HIGH-Z) 1 pS RMS -55 TO +125 -0.5 TO +7.0 UNIT V mA MHz PPM V % ns pS ºC V
T(store) Vcc, Vc(abs) NON-DESTRUCTIVE, DC
OUTLINE DRAWING
Scale none Dimension in
COLORED DOT INDICATES PIN 1 LOCATION MARKING AREA
REFLOW SOLDERING PROFILE
mm inch
240 °C
REFLOW
TEMPERATURE
PREHEATING 150 °C COOLING
.031 ± .003
0.79 ± .08
5.08 MAX
.200 MAX
25 °C
0.46 ± .08 DIA .018 ± .003 DIA
100 s TYPICAL
10 s
TIME (SECONDS)
6.35 MIN
.250 MIN
PIN 1
15.24 ± .13 .600 ± .005
PIN 7
13.20 MAX .519 MAX
.300 ± .005
PACKAGING 25 PIECES PER PLASTIC TUBE
PIN 14
12.19 .480 20.80 MAX
PIN 8
.819 MAX
ENABLE / DISABLE FUNCTION TABLE
PIN 1 7 8 14 FUNCTION E/D CASE/GND OUTPUT Vcc
EXAMPLE:
CE7450A-D3-125.000
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A. Tel: 305-593-6033 Fax: 305-594-3973 e-mail:
[email protected] Internet: http://www.raltron.com
7.62 ± .13
4.57
.180
.