Data Sheet

Model TC25
32.7680 kHz Clock Oscillator
FEATURES
•
•
•
•
•
•
•
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32.7680 kHz Frequency Reference
Package Size 2.5mm x 2.0mm
Fundamental Crystal Design
Hermetic Ceramic Package
Frequency Stability, ±50 ppm Standard
Operating Temperature, -40°C to +85°C Standard
Tape & Reel Packaging, EIA-418
RoHS/Green Compliant [6/6]
APPLICATIONS
Model TC25 is ideal for use in a wide range of communication equipment,
Measurement equipment, industrial applications, automotive electronics, wireless
communications, PDAs, mobile phones and notebooks.
ORDERING INFORMATION
TC25
3
2 K 7
6
8
0
SUPPLY VOLTAGE
V = +1.5V
M = +1.8V
N = +2.5Vdc
L = +3.3Vdc
FREQUENCY IN MHz
K - indicates kHz and decimal point.
OPERATING TEMPERATURE RANGE
A = -10°C to +60°C
C = -20°C to +70°C
I = -40°C to +85°C
FREQUENCY STABILITY
6 = ± 20 ppm *
5 = ± 25 ppm
3 = ± 50 ppm
* Temperature codes A and C.
Example Part Numbers:
TC25L3I32K7680
TC25L5I32K7680
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
PACKAGING INFORMATION [Reference Only]
Device quantity is 1k pcs. minimum and 3k pcs. maximum per 180mm reel.
Document No. 008-0356-0
Page 1- 2
www.ctscorp.com
Rev. C
Model TC25
32.7680 kHz Clock
ELECTRICAL CHARACTERISTICS
ELECTRICAL PARAMETERS
PARAMETER
Frequency
Operating Mode
Output Type
Supply Voltage
Current
Frequency Stability
SYMBOL
fo
VCC
ICC
Δf/fo
Operating Temperature Range
TA
Load Capacitance
Output Voltage Levels
Logic '1' Level
Logic '0' Level
Rise and Fall Time
Output Duty Cycle
Start-up Time
Enable Function
Enable Input Voltage
Disable Input Voltage
Aging
Storage Temperature Range
CL
CONDITIONS
±10%
15pF Load
See Ordering Information
MIN
TYP
32.7680
AT Fundamental
HCMOS
1.5, 1.8, 2.5, 3.3
MAX
-
20, 25, 50
15
3.0
-10
-20
-40
-
CMOS
VOH
VOL
Tr,Tf
SYM
TS
@ 50% Level
Application of VCC
VIH
VIL
Δf/fo
TSTR
Pin 1 Logic '1', Output Enabled
Pin 1 Logic '0', Output Disabled
@ +25°C, 1st year
-
0.9VCC
CMOS Load
CMOS Load
45
-
-
0.7VCC
-55
UNIT
kHz
V
mA
ppm
+60
+70
+85
-
°C
pF
5.0
0.1VCC
V
50
55
10
ns
%
ms
3.0
-
0.3VCC
V
5.0
+125
± ppm
°C
MECHANICAL SPECIFICATIONS
SUGGESTED SOLDER PAD GEOMETRY
TC25 PACKAGE DRAWING
TC25
● vD
CBYPASS should be ≥ 0.01 uF.
MARKING INFORMATION
1. TC25 – CTS Model Series.
2. ● – Pin 1 identifier.
3. v – Voltage code.
[L=3.3V, N=2.5V, M=1.8V, V=1.5V]
4. D – Date code. See Table I for codes.
NOTES
1. Termination pads (e4); barrier plating is
nickel [Ni] with gold [Au] flash plate.
2. Reflow conditions per JEDEC J-STD-020;
260°C maximum, 20 seconds.
3. MSL = 1.
Complete CTS part number, frequency
value, date code and manufacturing site code
information must appear on reel and carton labels.
PIN ASSIGNMENTS
PIN
SYMBOL
1
EOH
2
GND
3
Output
4
VCC
DESCRIPTION
Enable Input
Circuit & Package Ground
RF Output
Supply Voltage
TABLE I – DATE CODE
MONTH
JAN
YEAR
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
M
2001
2005
2009
2013
2017
A
B
C
D
E
F
G
H
J
K
L
2002
2006
2010
2014
2018
N
P
Q
R
S
T
U
V
W
X
Y
Z
2003
2007
2011
2015
2019
a
b
c
d
e
f
g
h
j
k
l
m
2004
2008
2012
2016
2020
n
p
q
r
s
t
u
v
w
x
y
z
Document No. 008-0356-0
Page 2 - 2
Rev. C
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