
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
FEATURES
3.3 & 5.0 VOLT
LOW JITTER PCL OUTPUT
UTILIZING AN HF OVERTONE
ENABLE/DISABLE OPTION
STANDART TEMP. RANGE OR EXTENDED
COMPLIMENTARY OUTPUT OPTION
SPECIFICATIONS
OUTLINE DRAWING
CO-CE7850A-LZ-FREQ.-EL
FIBER OPTICS - CLOCK
PARAMETER
SYMBOL
CONDITIONS
VALUE
155.520; 166.6286;
177.737142; 178.571428
5.0 (OPTIONAL +3.3VDC)
135.0
3.98/3.38
40...60
1.7
UNIT
FREQUENCY, NOM
fo
-
MHz
SUPPLY VOLTAGE, NOM
SUPPLY CURRENT, MAX
PECL OUTPUT LEVELS
DUTY CYCLE
RISE AND FALL TIME
Vcc
Is
VOH/VOL
DC
tr / tf
Vcc±5% (OPTIONAL +3.3VDC)
Vcc=+5.0VDC, Ta=+25 C, 50
TO 3.0VDC LOAD
LOAD=50
TO 3.0VDC, Vcc, NOM.
LOAD=50
TO 3.0VDC / 50% Vcc
20% ~ 80% Vout, 80% ~ 20% Vout
Ta=0°C
+70°C, (REF. TO 25°C)
(OPTIONAL -40°C TO +85°C)
f/fc (
Vcc) ±5% SUPPLY VARIATION
f/fc (
load) ±10% LOAD VARIATION
(fo-fc)/fo
Vcc=+5.0VDC, Ta=+25 C, 50W TO 3.0VDC LOAD
T =1
st
YEAR
T =PER YEAR THEREAFTER
En
PIN 1=LOW, Vcc-1.620 (MAX)
Dis
PIN 1=HIGH, Vcc-1.025 (MIN)
Ta
-
T(stg)
-
Vcc(abs)
NON-DESTRUCTIVE, DC
V
mA
V
%
ns
FREQ. STABILITY VS TEMPERATURE, MAX
f/fc (Ta)
±50.0
PPM
FREQ. STABILITY VS SUPPLY, MAX
FREQ. STABILITY VS. LOAD, MAX
FREQ. STABILITY VS. CALIBRATION, MAX
±5.0
±3.0
±15.0
±4.0
±2.0
ENABLED
PIN 8 = LOW
0...+70
-55...+125
-0.5...+7.0
PPM
PPM
PPM
AGING
f/fc (
t)
PPM
ENABLE
DISABLE
OPERATING TEMPERATURE
STORAGE TEMPERATURE
ABSOLUTE VOLTAGE RANGE
-
-
°C
°C
V
PIN 1
PIN 14
20.8 MAX
.819 MAX
.480
12.2
PIN 8
PIN 7
PIN 1 LOCATION
MARKING
AREA
0
7
.
6
1
.018 ± .003 DIA
0.45 ± .076 DIA
.600 ± .005
15.24 ± .076
.
4
.
.
0
7
.
1
7
8
14
ENABLE/DISABLE
CASE/GROUND
OUTPUT
SUPPLY VOLTAGE
PIN FUNCTION