ATSSM4P Series
Quartz Crystal w/ Four Leads
ELECTRICAL CHARACTERISTICS
VALUE
PARAMETER
Frequency Range
Operating Mode
3.2MHz to 40MHz
Fundamental
24MHz to 64MHz
3rd Overtone
Crystal Cut
AT-Cut
Frequency Tolerance @ +25°C *
Frequency Stability Tolerance *
[Operating Temperature Range, Referenced to +25°C Reading]
±10, ±15, ±20, ±25, ±30ppm
±10, ±15, ±20, ±25, ±30, ±50ppm
-20°C to +70°C
-40°C to +85°C
Operating Temperature Ranges
3.20MHz - <4.00MHz
150 Ohms
120 Ohms
80 Ohms
60 Ohms
40 Ohms
30 Ohms
80 Ohms
60 Ohms
4.00MHz - <5.00MHz
5.00MHz - <8.00MHz
8.00MHz - <12.00MHz
12.00MHz - <20.00MHz
20.00MHz - 40.00MHz
24.00MHz - <48.00MHz
48.00MHz - 64.00MHz
Equivalent Series Resistance - Fundamental Mode
[Maximum]
Equivalent Series Resistance - 3rd Overtone Mode
[Maximum]
Load Capacitance
See Ordering Information
Shunt Capacitance [C0]
Drive Level
Aging @ +25°C
7.0pF Maximum
100µW Typ., 1000µW Max.
±3ppm/yr Typical, ±5ppm/yr Maximum
500M Ohms @ DC 100V
Insulation Resistance
Storage Temperature Range
* See Ordering Information.
-40°C to +100°C
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
1. 4Pxxxmsstc – Truncated CTS Part Number.
[Packaging code is not required in the marking.]
a) 4P – ATSSM4P platform.
4Pxxxmsstc
CTS**YYWW
b) xxx – 3-digit Frequency Code. [Reference document 016-1454-0]
c) m – Operating Mode; F = fundamental, T = 3rd 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
SCHEMATIC
Document No. 008-0361-0
Page 2 - 3
Rev. C
