Tight Stability Quartz Crystal
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ATSSMTS
FEATURES
Standard HC-49/US-SM (surface mount) Package
Fundamental and 3
rd
Overtone Crystals
Stable Frequency Over Temperature and Drive Level
Frequency Range 3.2 – 64 MHz
Frequency Tolerance, Options from ±10 ppm to ±30 ppm
Frequency Stability, Options from ± 10 ppm to ±50 ppm
Operating Temperature, –20°C to +70°C & -40°C to +85°C Standard
Tape & Reel Packaging Standard
RoHS/Green Compliant (6/6)
APPLICATIONS
The ATSSMTS [Tight Stability] crystal series offers excellent long-term stability and reliability in a proven resistance-
weld metal package. The excellent shock performance makes it suitable for microprocessor, telecommunication,
industrial, consumer electronics and networking applications.
ORDERING INFORMATION
TS
FREQUENCY
Product Frequency Code
[3 digits]
PACKAGING OPTIONS
B - Bulk
T - Tape and Reel
LOAD CAPACITANCE
A = 10 pF
B = 13 pF
C = 16 pF
D = 18 pF
E = 20 pF
F = 24 pF
G = 30 pF
H = 32 pF
J = 9 pF
K = 8 pF
L = 12 pF
S = Series
Refer to document 016-1454-0,
Frequency Code Tables.
MODE OF OSCILLATION
F = Fundamental
T = 3rd Overtone
FREQUENCY TOLERANCE @ 25°C
1 = ± 10 ppm
1
X = ± 15 ppm
2 = ± 20 ppm
Y = ± 25 ppm
3 = ± 30 ppm
TEMPERATURE RANGE OPTIONS
C - -20°C to +70°C
I - -40°C to +85°C
1
STABILITY TOLERANCE
Over Operating Temperature Range
(Referenced to 25°C Reading)
1 = ± 10 ppm
1
X = ± 15 ppm
2 = ± 20 ppm
Y = ± 25 ppm
3 = ± 30 ppm
5 = ± 50 ppm
1] Check factory availability for "11I" Tolerance/Stability/Temperature combination.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Inside Sales Representative for availability.
Document No. 008-0375-0
Page 1- 3
Rev. A
www.ctscorp.com
ATSSM Tight Stability
Quartz Crystal Series
ELECTRICAL CHARACTERISTICS
PARAMETER
Frequency Range
Operating Mode
ELECTRICAL PARAMETERS
Crystal Cut
Frequency Tolerance @ +25°C *
Frequency Stability Tolerance *
(Over Operating Temperature Range, Referenced to +25°C Reading)
VALUE
3.2 MHz to 64.0 MHz
Fundamental or 3rd Overtone
AT-Cut
±10, ±15, ±20, ±25, ±30 ppm
±10, ±15, ±20, ±25, ±30, ± 50 ppm
-20°C to +70°C and -40°C to +85°C
See ESR Table
See Ordering Information
7.0 pF Maximum
100 µW Typical, 1,000 µW Maximum
±3 ppm/yr Typical, ±5 ppm/yr Maximum
-40°C to +85°C
Operating Temperature Range *
Equivalent Series Resistance
Load Capacitance
Shunt Capacitance (C
0
)
Drive Level
Aging @ +25°C
Storage Temperature Range
* See Ordering Information
EQUIVALENT SERIES RESISTANCE TABLE
FREQUENCY RANGE
3.20 MHz - < 4.00 MHz
4.00 MHz - < 5.00 MHz
5.00 MHz - < 8.00 MHz
8.00 MHz - < 12.00 MHz
12.00 MHz - < 20.00 MHz
20.00 MHz - < 30.00 MHz
27.00 MHz - 64.00 MHz
OSCILLATION MODE
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
ESR MAXIMUM
150 Ohms
120 Ohms
80 Ohms
60 Ohms
40 Ohms
30 Ohms
80 Ohms
SCHEMATIC
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
1. TSxxxmsstc – Truncated CTS Part Number.
[Packaging code is not required in the marking.]
a) TS – ATSSMTS platform.
b) xxx – 3-digit Frequency Code.
[Reference document 016-1454-01]
2. m – Operating Mode; F = fundamental, T = 3
rd
Overtone.
c) sstc – Tolerance, Stability, Temperature and Load Capacitance
codes. Reference Ordering Information.
2. ** - Manufacturing Site Code.
3. YYWW – Date Code, YY – year, WW – week.
4. Complete CTS part number, frequency value and date code
information must appear on bag and box labels.
NOTES
1. Lead finish (e1), SnAgCu.
2. Reflow conditions per JEDEC J-STD-020; 260°C maximum, 10 sec.
3. MSL = 1.
SUGGESTED SOLDER PAD GEOMETRY
TSxxxmsstc
CTS**YYWW
Document No. 008-0375-0
Page 2 - 3
Rev. A
嵌入式系统
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