Quartz Crystal w/ Four Leads
ATSSM4P Series
FEATURES
Four Leaded Package [HC-49/US-SM Type]
Fundamental and 3
rd
Overtone Crystals
Alternative for Common Plastic Molded Designs
Stable Frequency Over Temperature and Drive Level
Frequency Range 3.2 – 64MHz
Frequency Tolerance, Options from ±10ppm to ±30ppm
Frequency Stability, Options from ± 10ppm to ±50ppm
Operating Temperature, –20°C to +70°C & -40°C to +85°C Standard
Tape & Reel Packaging Standard
RoHS/Green Compliant [6/6]
APPLICATIONS
The ATSSM4P [4 Pad] 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
4 P
CRYSTAL CONFIGURATION
P - Crystal Connection, Pin 1 to 4
PACKAGING
T = Tape and Reel
FREQUENCY
Product Frequency Code
[3 digits]
LOAD CAPACITANCE
K = 8pF
J = 9pF
A = 10pF
L = 12pF
B = 13pF
C = 16pF
D = 18pF
E = 20pF
F = 24pF
G = 30pF
H = 32pF
S = Series
Refer to document 016-1454-0.
MODE OF OSCILLATION
F = Fundamental
T = 3rd Overtone
FREQUENCY TOLERANCE @ +25°C
1 = ±10ppm
1
X = ±15ppm
2 = ±20ppm
Y = ±25ppm
3 = ±30ppm
TEMPERATURE RANGE
C = -20°C to +70°C
I = -40°C to +85°C
1
TEMPERATURE STABILITY
1 = ±10ppm
1
X = ±15ppm
2 = ±20ppm
Y = ±25ppm
3 = ±30ppm
5 = ±50ppm
1 Check factory availability for "1 I" Tolerance/Stability/Temperature combination.
.
1
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Inside Sales Representative for availability.
Document No. 008-0361-0
Page 1- 3
Rev. C
www.ctscorp.com
ATSSM4P Series
Quartz Crystal w/ Four Leads
ELECTRICAL CHARACTERISTICS
PARAMETER
Frequency Range
Operating Mode
Crystal Cut
Frequency Tolerance @ +25°C *
Frequency Stability Tolerance *
[Operating Temperature Range, Referenced to +25°C Reading]
Operating Temperature Ranges
3.2MHz to 40MHz
Fundamental
VALUE
24MHz to 64MHz
3rd Overtone
AT-Cut
±10, ±15, ±20, ±25, ±30ppm
±10, ±15, ±20, ±25, ±30, ±50ppm
-20°C to +70°C
-40°C to +85°C
3.20MHz - <4.00MHz
150 Ohms
4.00MHz - <5.00MHz
120 Ohms
5.00MHz - <8.00MHz
80 Ohms
8.00MHz - <12.00MHz
60 Ohms
12.00MHz - <20.00MHz
40 Ohms
20.00MHz - 40.00MHz
30 Ohms
24.00MHz - <48.00MHz
80 Ohms
48.00MHz - 64.00MHz
60 Ohms
See Ordering Information
7.0pF Maximum
100µW Typ., 1000µW Max.
±3ppm/yr Typical, ±5ppm/yr Maximum
500M Ohms @ DC 100V
-40°C to +100°C
ELECTRICAL PARAMETERS
Equivalent Series Resistance - Fundamental Mode
[Maximum]
Equivalent Series Resistance - 3rd Overtone Mode
[Maximum]
Load Capacitance
Shunt Capacitance [C
0
]
Drive Level
Aging @ +25°C
Insulation Resistance
Storage Temperature Range
* See Ordering Information.
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
1. 4Pxxxmsstc – Truncated CTS Part Number.
[Packaging code is not required in the marking.]
a) 4P – ATSSM4P platform.
b) xxx – 3-digit Frequency Code.
[Reference document 016-1454-0]
c) m – Operating Mode; F = fundamental, T = 3
rd
Overtone.
d) 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. JEDEC termination code (e1). Lead finish is SnAgCu.
2. Reflow conditions per JEDEC J-STD-020; 260°C maximum,
10 seconds.
SUGGESTED SOLDER PAD GEOMETRY
4Pxxxmsstc
CTS**YYWW
SCHEMATIC
Document No. 008-0361-0
Page 2 - 3
Rev. C
嵌入式系统
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