Temperature Compensated Crystal Oscillators (TCXO’s)
TC-350 (Z6 Series)
Description:
Vectron International has introduced a series of low profile
surface mount, Temperature Compensated Crystal Oscillators
(TCXO’s) available in frequencies from 1 to 77.76 MHz.
Features:
•
•
•
•
Low profile surface mount package
Frequency from 1 to 77.76 MHz
3.3 Vdc or 5 Vdc operation
TTL & HCMOS outputs
Performance Characteristics
Performance
Standard Frequencies:
Package Size:
Supply Voltage (Vdd):
Current:
Characteristics
10, 12.8, 13, 16.384, 19.44, 20, 20.48, 27 MHz
Available from 1 MHz to 77.76 MHz
22.86 x 17.78 x 3.81 mm (0.90” x 0.70” x 0.15”)
3.3 Vdc ±5%, 5 Vdc ±5% (other options are available upon request)
Current draw will vary greatly depending on frequency and output type.
For this series TCXO typical current draw will be about 10 mA. Please
consult the factory about your exact current requirements.
HCMOS / ACMOS
0.8 (Vdd)
0.5 Vdc
5 ns max. (20%-80%)
50/50 ±10%
100k ohm // 10 PF
10 TTL
2.4 Vdc
0.5 Vdc
10 ns max. (0.8 Vdc to 2.0 Vdc)
50/50 ±10%
10 TTL
Output Type:
Voh min..:
Vol max.:
Rise/Fall Time:
Symmetry (Duty Cycle):
Load:
Temperature Stability:
Note:
Not all stabilities are available
with all frequency/output combinations.
Please consult the factory.
B-507
- ±5.0 x 10
-7
over 0°C to +50°C
B-106
- ±1.0 x 10
-6
over 0°C to +50°C
C-507
- ±5.0 x 10
-7
over 0°C to +70°C
C-106
- ±1.0 x 10
-6
over 0°C to +70°C
D-757
- ±7.5 x 10
-7
over -20°C to +70°C
D-156
- ±1.5 x 10
-6
over -20°C to +70°C
F-106
- ±1.0 x 10
-6
over -40°C to +85°C
F-206
- ±2.0 x 10
-6
over -40°C to +85°C
G-256
- ±2.5 x 10
-6
over -55°C to +85°C
NOTE:
Tighter stabilities and wider temperature ranges are available,
please consult the factory.
Aging (typical):
Frequency vs. Supply:
Electrical Frequency Adjust:
<5 ppm for ten years @ +70°C
<±0.1 ppm for a ±5% change in supply voltage
±5 ppm minimum via external voltage, 0 to Vdd, positive slope
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
56
Temperature Compensated Crystal Oscillators (TCXO’s)
TC-350 (Z6 Series)
Outline Drawing
22.86!
( .900)
2.54!
( .100)
1
2
Pad Layout
3.175!SQ.
( .125)
7.62!
( .300)
17.78!
( .700)
17.78!
( .700)
4
7.62!
( .300)
3
12.7!
( .500)
3.81!
( .15)
.100
2.54!
( .100)
(in.)
TCXO
.100
(in.)
.045R
Recommended Reflow Profile
4 places
Pin Out Information
Pin
1
2
3
4
Function
Output
Frequency Adjust
Gnd
Supply
pre-heating
60 to 90 sec.
a t 1 5 0 ºC t o 1 7 0 ºC
reflow
20 to 40 sec.
a t >
2 0 0 ºC
Ordering Information
TC
Product Family
TC
= TCXO
Package
350
= SMT package
Supply Voltage
C
= 5.0 Vdc +5%
D
= 3.3 Vdc +5%
350
D
A
G
256
A
12.80
MHz
Output Frequency
1 MHz to 77.76 MHz
Other Options
A
= Standard, No Options
(default)
Temperature Range
B-507
- +5.0 x 10
-7
over 0
o
C to +50
o
C
B-106
- +1.0 x 10
-6
over 0
o
C to +50
o
C
C-507
- +5.0 x 10
-7
over 0
o
C to +70
o
C
C-106
- +1.0 x 10
-6
over 0
o
C to +70
o
C
D-757
- +7.5 x 10
-7
over -20
o
C to +70
o
C
D-156
- +1.5 x 10
-6
over -20
o
C to +70
o
C
F-106
- +1.0 x 10
-6
over -40
o
C to +85
o
C
F-206
- +2.0 x 10
-6
over -40
o
C to +85
o
C
G-256
- +2.5 x 10
-6
over -55
o
C to +85
o
C
Output
A
= HCMOS/ACMOS
B
= 10 TTL
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • Web: www.vectron.com
57
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