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MXO45/MXO45HS
Metal DIP
Clock Oscillator
Stability to ±20 PPM
+5.0Vdc Operation
CMOS/TTL Compatible
Operating Temperature to –40°C to +85°C
Output Enable Option
14 Pin and 8 Pin Packages
Electrical Characteristics
Parameter
Output Frequency Range
Symbol
fO
Stability
(Note 1)
(See Ordering Information)
Supply Voltage
f/f
V CC
Operating Supply Current
ICC
Output Load
CMOS
CL
TTL
Output Voltage Levels
Logic '1' Level
Logic '0' Level
Output Current
Output Duty Cycle
(50% Level)
V OH
V OH
V OL
IOH
IOL
SYM
Rise & Fall Time (10% - 90% Level) tR, tF
Start Up Time
-
Conditions
-
-
-
1.0 MHz to 7.0 MHz
7.1 MHz to 25 MHz
25.1 MHz to 50 MHz
50.1 MHz to 70 MHz
80.1 MHz to 105.561 MHz
CL=50pF
CL=50pF
CL=50pF
CL=30pF
CL=15pF
1.0 MHz to 50 MHz
50.1 MHz to 70 MHz
70.1 MHz to 105.561 MHz
1.0 MHz to 105.561 MHz
CMOS Load
TTL Load
CMOS or TTL Load
VOH = 3.9V
VOL = 0.4V
V CC = 4.5V
VCC = 4.5V
1.0 MHz to 50 MHz
50.1 MHz to 70 MHz
70.1 MHz to 105.561 MHz
1.0 MHz to 25 MHz
CL=50pF
25.1 MHz to 70 MHz
CL=30pF
70.1 MHz to 105.561 MHz CL=15pF
Min
1.0
-
4.5
-
-
-
-
-
-
-
-
-
Vcc-0.4V
Vcc-0.6V
-
-
-
45
40
45
-
-
-
-
Typical Max
- 105.561
- 20,25,50
or 100
5.0 5.5
5 12
15 25
30 40
40 60
45 85
- 50
- 30
- 15
- 10
--
--
- 0.4
- -16
- +16
- 55
60
55
58
35
23
- 10
Unit
MHz
ppm
V
mA
PF
TTL
V
mA
%
nS
mS
Enable Function
(Note 2)
Phase Jitter
-
See ‘Enable Truth Table’ on
-
--
-
Page 2 or 3
tj
Peak - Peak
-
30 50
pS
Notes:
1. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and first year aging at an
average operating temperature of 40 °C.
2. Reference CTS Application Note 014-0002-0.
♦ ♦ ♦ CTS Communications Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 630-924-3500 ♦ ♦ ♦
Document No. 008-0258-0
Page 1 of 3
Rev. A ECO# 16710

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ORDERING INFORMATION
MXO
Package Type
45 = 14 Pin DIP/STD Output
45T = 14 Pin DIP/Tristate Output
45HS = 8 Pin DIP/STD Output
45HST = 8 Pin DIP/Tristate Output
Frequency Stability
6 = ±20 ppm
5 = ±25 ppm
3 = ±50 ppm
2 = ±100 ppm
Example P/N: MXO45 – 3C – 32M7680 or MXO45HS – 3C – 32M7680
MXO45/MXO45HS
Metal DIP
Clock Oscillator
M
Frequency in MHz
M – Indicates decimal point.
Frequency shall be recorded with 4
significant digits minimum to the right of
the “M”.
Operating Temperature Range
C = -20°C to +70°C
I = -40°C to +85°C
MECHANICAL SPECIFICATIONS
DIP 14
5.080
MAX
.200
6.350 ± .508
.250 ± .020
20.574
MAX
.810
.432/.508
.017/.020
MXO45
32M7680
CTS 3C
YYWW **
.711 ± .330
.028 ± .013
7.620 ± .127
.300 ± .005
1.524 TYP.
.060
MM
KEY:
INCH
DENOTES PIN 1
FOR REFERENCE
ONLY. THE NUMBERS
ARE NOT MARKED
ON BOTTOM.
17
12.954
MAX
.510
14 8
1.524
TYP.
.060
15.240 ± .127
.600 ± .005
Marking Notes:
1. Frequency marked with 4 significant digits after the “M”
2. CTS XX – stability/temp. code.
3. ** – Manufacturing site code
Enable Truth Table
Pin 1
Pin 8
“1” Output
“0” High Imp.
Open
Output
PIN CONNECTIONS
Pin Symbol
Function
1 EOH Output Enable or NC
7 GND Circuit and Package Ground
8 Output RF Output
14 VCC Supply Voltage
♦ ♦ ♦ CTS Communications Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 630-924-3500 ♦ ♦ ♦
Document No. 008-0258-0
Page 2 of 3
Rev. A ECO# 16710

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DIP 8
5.080
MAX
.200
6.350 ± .508
.250 ± .020
.432/.508
.017/.020
MXO45HS
32M7680
CTS 3C
YYWW **
MXO45/MXO45HS
Metal DIP
Clock Oscillator
DENOTES
PIN 1
.660/1.016
.026/.040
12.954
MAX
.510
1
8
FOR REFERENCE
ONLY. THE NUMBERS
ARE NOT MARKED
ON BOTTOM.
4
7.620 ± .127
.300 ± .005
5
MM
KEY:
INCH
7.620 ± .127
.300 ± .005
12.954
MAX
.510
2.540
.100
NOTE:
3 OR 4
STANDOFFS
ALLOWED
Marking Notes:
1. Frequency marked with 4 significant digits after the “M”
2. CTS XX – stability/temp. code.
3. ** – Manufacturing site code
Enable Truth Table
Pin 1
Pin 5
“1” Output
“0” High Imp.
Open
Output
PIN CONNECTIONS
Pin Symbol
Function
1 EOH Output Enable or NC
4 GND Circuit and Package Ground
5 Output RF Output
8 VCC Supply Voltage
ENVIRONMENTAL SPECIFICATIONS
§ Storage Temperature:
§ Temperature Cycle:
§ Mechanical Shock:
§ Sinusoidal Vibration:
§ Gross Leak:
§ Fine Leak:
§ High Temperature Operating Bias:
§ Frequency Aging:
§ Solderability:
-55°C to +125°C
400 cycles, -55°C to +125°C, 10 min dwell, 1 min transfer
1,500g’s, 0.5mS, ½ sinewave, 3 shocks each direction, in 3 planes
0.06” D.A., 10 to 55 Hz and 20g’s, 55 to 2,000 Hz,
3 cycles per plane
No leak shall appear while immersed in an FC40 or equivalent
liquid at 125°C for 20 seconds
Mass spectrometer leak rates less than 2x10-8 cc/sec air equivalent
2,000 hours at 125°C, disregarding frequency shift
< 5 ppm shift in 1,000 hours at 85°C
90% coverage using: (no pre-conditioning required)
A) R Flux
B) Solder bath temperature of 245°C ± 5°C
C) Solder composition 63% Sn/ 37% Pb
QUALITY AND RELIABILITY
Quality Systems meet or exceed the requirements of ISO 9000: 2000 standards.
Reliability Audits are performed on this or similar products with results available upon request.
♦ ♦ ♦ CTS Communications Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 630-924-3500 ♦ ♦ ♦
Document No. 008-0258-0
Page 3 of 3
Rev. A ECO# 16710