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
SERIES CX21, CX22, AND CX23
HIGH STABILITY THROUGH HOLE CLOCK OSCILLATORS
SPECIFICATIONS
PART NUMBERING SYSTEM
FEATURES
FREQUENCY RANGE
1.00 MHz TO 100.00 MHz
FREQUENCY STABILITY OVER
TEMPERATURE RANGE (REF. TO25C)
5 PPM TO 50 PPM MAX AT VCC = +5.0 VDC (SEE TABLE 1)
OPERATING TEMPERATURE RANGE
0C TO +50C (NARROW)
0C TO +70C (STANDARD)
-40C TO +85C (EXTENDED)
AT VCC = +5.0VDC AND STANDARD LOAD (SEE TABLE 1)
STORAGE TEMPERATURE RANGE
-40C TO +85C
AGING CHARACTERISTICS
4 PPM MAX FOR THE FIRST YEAR AND 20 PPM MAX FOR 10 YEARS
OUTPUT WAVEFORM OPTIONS
TTL, HCMOS, OR ACMOS
SYMMETRY
NORMAL: 40/60% TIGHT: 45/55% (OPTION)
FREQUENCY STABILITY OVER
LOAD VARIATION
3 PPM MAX FOR 10% VARIATION AT VCC = +5.0 VDC AT 25C
SUPPLY VOLTAGE
+5.0 VDC 5% (3.3 VDC AVAILABLE)
ENABLE/DISABLE FUNCTION
CONTROL PIN 1: HIGH OR OPEN (+2.0 VDC MIN)OUTPUT PIN 8: ENABLED
CONTROL PIN 1: LOW OR GROUND (+0.8 VDC MIN)OUTPUT PIN 8: DISABLED (HIGH Z)
FREQUENCY STABILITY OVER
SUPPLY VOLTAGE VARIATION
5 PPM MAX FOR 5% VARIATION AT VCC = +5.0 VDC
AND STANDARD LOAD AT 25C
SUPPLY CURRENT
50 mA MAX AT VCC = +5.0 VDC AND STANDARD LOAD AT 25C
MECHANICAL SHOCK IEC-68-2-27 TEST EA, 30g FOR 18 ms HALFSINE
VIBRATION
IEC 68-2-6 (TEST FC) 0.35 mm, 5g, 10-2 kHz, 6 CYCLES AXIS
THERMAL SHOCK
IEC 68-2-14 (TEST NA), 30 min IN EACH TEMPERATURE EXTREME
SEAL
IEC 68-2-17 (TEST QC)
SOLDERING HEAT
IEC 68-2-20A
MECHANICAL
14 PIN DIP, LEADED, PER OUTLINE DRAWING
SERIES
OUTPUT
CODE
-
FREQUENCY
-
SYMMETRY
CO2
CE2
1
2
3
TTL
HCMOS
ACMOS
A THROUGH M
IN MHz
T (45/55%)
MECHANICAL CHARACTERISTICS
EXAMPLE:
CO22L-20.000-T
HCMOS OUTPUT 20 PPM OVER -40 C TO +85 C
TIGHT SYMMETRY
TABLE 1
CODE
TEMPERATURE
RANGE
TEMPERATURE
STABILITY
A
0C TO +50C
5 PPM
B
0C TO +50C
10 PPM
C
0C TO +50C
15 PPM
D
0C TO +50C
20 PPM
E
0C TO +50C
25 PPM
F
0C TO +70C
10 PPM
G
0C TO +70C
15 PPM
H
0C TO +70C
20 PPM
I
0C TO +70C
25 PPM
J
0C TO +70C
35 PPM
K
0C TO +70C
50 PPM
L
-40C TO +85C
20 PPM
M
-40C TO +85C
25 PPM
O
-40C TO +85C
30 PPM
P
-40C TO +85C
35 PPM
Q
-40C TO +85C
50 PPM
COLORED DOT
INDICATES
PIN 1 LOCATION
PIN 1
PIN 8
PIN 5
PIN 4
MARKING
AREA
.300 .020
7.62 0.5
6.35 0.5
.018 .003 DIA
0.45 .076 DIA
.300 .005
7.62 .127
.492 MAX
12.50 MAX
.250 .020
7.62
.127
.300
.005
12.50 0.5
.492 .020
0.79 .08
.031 .003
Scale none Dimension in
mm
inch
CO2
PIN
FUNCTION
1
N/C
4
GROUND
5
OUTPUT
8
VCC
PIN CONNECTION
-95
-120
-140
-150
-70
-160
-140
-120
-100
-80
-60
-40
-20
0
10 Hz
100 Hz
1 KHz
10 KHz
100 KHz
Offset from carrier
dBc
PHASE NOISE CHARACTERISTICS
COST EFFECTIVE MPU CLOCK
TOLERANCE AND STABILITY TO
5 PPM
CUSTOM SPECIFICATIONS
OUTLINE DRAWING
TEMPERATURE RANGE DESIGNATIONS
CE2
PIN
FUNCTION
1
E/D
4
GROUND
5
OUTPUT
8
VCC
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