Stratum IV
CB3/CB3LV
7x5mm Low Cost
Clock Oscillator
♦
Stability ±32 PPM for 20 Years
♦+3.3Vdc
or +5.0Vdc Operation
♦CMOS/TTL
Compatible
♦Operating
Temperature to –40°C to +85°C
♦Output
Enable Standard
♦Tape
& Reel Packaging
Electrical Characteristics
Parameter
Output Frequency Range
CB3
CB3LV
Stability
(Note 1)
Supply Voltage
CB3
CB3LV
Operating Supply Current
CB3
CB3LV
Output Load
C
L
1.5 MHz to 50 MHz
50.1 MHz to 80 MHz
Output Voltage Levels
Logic '1' Level
Logic '0' Level
Output Current
V
OH
V
OH
V
OL
I
OH
I
OL
SYM
t
R
, t
F
1.5 MHz to 20 MHz
20.1 MHz to 80 MHz
1.5 MHz to 20 MHz
20.1 MHz to 80 MHz
-
Enable Function
(Note 2)
Phase Jitter
-
tjrms
See ‘Enable Truth Table’ on Page 2
(Bandwidth 12 KHz – 20 MHz)
C
L
=50pF
C
L
=50pF
C
L
=15pF
C
L
=15pF
-
-
-
-
-
-
-
8
4
6
3
-
-
<1
10
8
8
4
10
-
-
nS
nS
CMOS Load
10 TTL Load
CMOS or TTL Load
V
OH
= 3.9V/2.2V
V
OL
= 0.4V
V
CC
= 4.5V/3.0V
V
CC
= 4.5V/3.0V
-
-
Vcc-0.5V
-
-
-
-
45
-
-
-
Vcc-0.6V
-
-
-
-
50
30
-
-
0.4
-16/-8
+16/+8
55
pF
Symbol
f
O
Conditions
-
-
Min
1.5
1.5
-32
4.5
3.0
C
L
=50pF
C
L
=50pF
C
L
=15pF
C
L
=15pF
-
-
-
-
Typical
-
-
-
5.0
3.3
10
30
7
20
Max
80
80
32
5.5
3.6
25
50
12
40
Unit
MHz
∆f/f
-
V
CC
-
-
I
CC
1.5 MHz to 20 MHz
20.1 MHz to 80 MHz
1.5 MHz to 20 MHz
20.1 MHz to 80 MHz
mA
mA
V
ppm
V
mA
%
Output Duty Cycle
(50% Level)
Rise & Fall Time (10% - 90% Level)
CB3
CB3LV
Start Up Time
mS
-
pS RMS
Notes:
1. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and 20 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. 008-0257-0
Page 1 of 3
Rev. A ECO# 16710
Stratum IV
CB3/CB3LV
7x5mm Low Cost
Clock Oscillator
ORDERING INFORMATION
−
−
CB3
M
Supply Voltage
LV = +3.3Vdc
Blank = +5.0Vdc
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
Frequency Stability
S4 = ±32 ppm
Example P/N: CB3LV – S4I – 20M4800 or CB3 – S4I – 20M0000
MECHANICAL SPECIFICATIONS
Suggested Pad Geometry
( 7.5 )
0.295
PIN 1 IDENTIFIER
( 1.4 )
0.055
( 1.12 )
0.044
Dimensions in Inches [MM]
.071 [1.80]
CTS ** - CB3
XXMXXXX
•
YYWW 4X X
( 5.0 )
0.197
( 3.68 )
0.145
3
2
4
1
.079 [2.00]
.173 [4.40]
( 5.10 )
0.200
( 1.8 )
MAX
0.071
Key:
( MM )
Inch
.200 [5.08]
Marking Notes:
1. ** Manufacturing Site Code.
2. Frequency marked with 4
significant digits after the “M”.
3. 4X – stability/temp. code.
4. X – voltage code.
Terminations plated with
0.3 – 1.0 um gold (Au).
Pin
1
2
3
4
Symbol
EOH
GND
Output
Vcc
Functional Description
Enable
Circuit and Package Ground
RF Output
Supply Voltage
Enable Truth Table
Pin 1
“1”
“0”
Open
Pin 3
Output
High Imp.
Output
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. 008-0257-0
Page 2 of 3
Rev. A ECO# 16710
Stratum IV
CB3/CB3LV
7x5mm Low Cost
Clock Oscillator
ENVIRONMENTAL SPECIFICATIONS
§
§
§
§
§
§
§
§
§
Storage Temperature:
Temperature Cycle:
Mechanical Shock:
Sinusoidal Vibration:
Gross Leak:
Fine Leak:
Resistance to Soldering Heat:
High Temperature Operating Bias:
Frequency Aging:
-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
Product must survive 3 reflows of 260°C peak, 10 seconds
maximum
2,000 hours at 125°C, disregarding frequency shift
< 5 ppm shift in 1,000 hours at 85°C
Suggested Reflow Profile
300
Maximum 260°C, 10 seconds
Typical 225°C
200
Temp.
(°C)
100
130°C
0
0
20
40
60
80 1 0 0 1 2 0 1 4 0 1 6 0 180 200 220 240 2 6 0 2 8 0 3 0 0
Time (Seconds)
TAPE AND REEL INFORMATION
17.5
Ø13
4.0
8.0
Ø1.50
1.75
2.40
2.10
120°
2.0
8.40
7.90
16.0
Ø60
Ø180
5.70
5.40
DIRECTION OF FEED
Dimensions in Millimeters
Ø23
Device quantity shall be 1,000 pieces on a 180mm reel.
♦ ♦ ♦
CTS Communications Components, Inc
.
♦
171 Covington Drive
♦
Bloomingdale, IL 60108
♦
630-924-3500
♦ ♦ ♦
Document No. 008-0257-0
Page 3 of 3
Rev. A ECO# 16710
模拟与混合信号
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