RECOMMENDED REFLOW SOLDERING PROFILE
217°C
200°C
260°C
150°C
90 Secs. Max.
TEMPERATURE
Ramp-Up
3°C/Sec Max.
Preheat
180 Secs. Max.
8 Minutes Max.
260°C for
10 Secs. Max.
Critical
Temperature Zone
Ramp-Down
6°C/Sec.
NOTE: Reflow Profile with 240°C peak also acceptable.
TD-021004 Rev. H
All dimensions are Max unless otherwise specified.
Dimensions inches (mm)
Denotes pad 1
XXXX=Date Code XX=Lot Code
0.055 Typ
(1.40 Typ)
0.100
(2.54)
0.200
(5.08)
0.045 ±0.008
(1.14 ±0.20)
#1 #2 #3
#4#5#6
1 MHz to 52 MHz
±25ppm to ±100ppm
0°C to 70°C
-20°C to 70°C
-40°C to 85°C
-45°C to 90°C
3.3V ±0.3V
1.65V ±1.65V
1.65V ±0.25V
±100ppm Min
40mA Max
HCMOS
15pF
40/60% Max @ 50% Vdd
5ns Max @ 20% to 80% Vdd
"0" = 10% Vdd Max
"1" = 90% Vdd Min
±10% Max
<3ppm 1
st
/yr, <1ppm every year thereafter
Frequency Range:
Frequency Stability:
Temperature Range:
Operating:
(Option M)
(Option X)
Storage:
Input Voltage:
Control Voltage:
Settability* At Nominal:
Frequency Pulling:
Input Current:
Output:
Load:
Symmetry:
Rise/Fall Time:
Logic:
Linearity:
Aging:
0.01uF Bypass Capacitor Recommended
SUGGESTED PAD LAYOUT
0.071 SQ
(1.80)
0.148
(3.75)
0.200
(5.08)
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
Fax: 239-561-1025 • www.crystek.com
CRYSTEK
CORPORATION
Designed to meet today's
requirements for 3.3V Voltage
Controlled Crystal Oscillator SMD
Applications. The CVXO-018T
provides a disable function for
ICT (in-circuit-testing). Available
on 16mm tape and reel in
quantities of 1K.
Specifications subject to change without notice.
CVXO - 018T - X - 25 - 49.152
Crystek Part Number Guide
#1 Crystek VCXO
#2 Model
#3 Temp. Range: Blank= 0/70°C, M= -20/70°C, X= -40/85°C
#4 Stability: (see Table 1)
#5 Frequency in MHz: 3 or 6 decimal places
#3
Example:
CVXO-018TX-25-25.000 = 5.0V Tristate, -40/85°C, 40/60, 25ppm, 25.000 MHz
CVXO-018T-50-19.660800 = 5.0V Tristate, 0/70°C, 40/60, 50ppm, 19.660800 MHz
#4
Blank (std) ± 100ppm
25 ± 25ppm
50 ± 50ppm
Stability Indicator
Table 1
#5#1 #2
PIN Connection
1
2
3
4
5
6
Volt Cont.
Tri-State
GND
Ouput
N/C
Vdd
Tri-State pin Output pin
Open
"1" level 2.7V Min
"0" level 0.3V Max
Active
Active
High Z
Tri-State Function
*Settability is the Control Voltage at which the Output Frequency is equal to the nominal Frequency.
5×7 mm SMD, 3.3V, HCMOS
CVXO-018T Model
0.274 ±0.007
(6.96 ±0.18)
0.193 ±0.007
(4.90 ±0.18)
P/N
Frequency
XXXX XX
0.071
(1.80)
