Data Sheet

Model 353
HCMOS VCXO
FEATURES
•
•
•
•
•
•
•
•
•
•
Standard 5.0mm x 3.2mm 6-Pad Surface Mount Package
HCMOS Output
Low Jitter Performance
Fundamental Crystal Designs
Frequency Range 1 – 80 MHz
Operating Voltages +2.5Vdc, +3.3Vdc or +5.0Vdc
Operating Temperature to -40°C to +85°C
Output Enable Standard
Tape & Reel Packaging Standard, EIA-418
RoHS/Green Compliant [6/6]
APPLICATIONS
Model 353 is ideal for applications such as broadband access, Ethernet/Gigabit Ethernet,
SONET/SDH, xDSL, PCMIA, digital video, Picocells and base stations.
ORDERING INFORMATION
353
PACKAGING OPTIONS
T - 1k pcs./reel
R - 3k pcs./reel
SUPPLY VOLTAGE
N = +2.5 Vdc, Pin 2 Enable
L = +3.3 Vdc, Pin 2 Enable
S = +5.0 Vdc, Pin 2 Enable
T = +2.5 Vdc, Pin 5 Enable
V = +3.3 Vdc, Pin 5 Enable
W = +5.0 Vdc, Pin 5 Enable
FREQUENCY
Product Frequency Code
1
OPERATING TEMPERATURE RANGE
ABSOLUTE PULL RANGE [APR]
A = -10°C to +60°C
C = -20°C to +70°C
I = -40°C to +85°C 2
B = ± 50 ppm APR
FREQUENCY STABILITY
6 = ± 20 ppm
3 = ± 50 ppm
5 = ± 25 ppm
2
1] Refer to document 016-1454-0, Frequency Code Tables.
3-digits required for frequencies below 100MHz and 4-digits for frequencies 100MHz or greater.
2] Consult factory for availability of 6I Stability/Temperature combination.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
PACKAGING INFORMATION [reference]
Device quantity is 1k pcs. maximum per 180mm reel.
Document No. 008-0369-0
Page 1- 3
www.ctscorp.com
Rev. A
Model 353
5.0mm x 3.2mm HCMOS VCXO
ELECTRICAL CHARACTERISTICS
PARAMETER
Maximum Supply Voltage
Maximum Control Voltage
Storage Temperature
SYMBOL
VCC
VC
TSTG
CONDITIONS
-
fO
-
Δf/fO
-
-
-
20, 25 or 50
± ppm
APR
-
±50
-
-
ppm
-3
-10
-20
-40
2.38
3.14
4.75
-
3
+60
+70
+86
2.63
3.47
5.25
ppm
mA
Frequency Range
Frequency Stability
(See Note 1 and Ordering Information)
Absolute Pull Range
(See Note 2 and Ordering Information)
Aging
Operating Temperature
ELECTRICAL PARAMETERS
Supply Voltage
Δf/f25
TA
VCC
Supply Current
ICC
Output Load
Control Voltage
CL
VC
Frequency Deviation
Linearity
Input Impedance
Transfer Function
Output Duty Cycle
Output Voltage Levels
Rise and Fall Time
Start Up Time
Modulation Roll-off
Enable Function
Enable Input Voltage
Disable Input Voltage
Enable Time
Phase Jitter, RMS
First Year @ +25°C, nominal VCC and VC
Δf
L
ZVc
SYM
VOH
VOL
TR, TF
TS
VIH
VIL
TPLZ
tjrms
Model 353N, 353T, ±5%
Model 353L, 353V, ±5%
Model 353S, 353W, ±5%
CL = 15 pF
@ +2.5Vdc
@ +3.3Vdc
@ +5.0Vdc
Model 353N, 353T, VCC = 2.5V
Model 353L, 353V, VCC = 3.3V
Model 353S, 353W, VCC = 5.0V
+25°C @ Time of Shipment, over VC range
Best Straight Line Fit
@ 50% Level
Logic '1' Level, CMOS Load
Logic '0' Level, CMOS Load
@ 20%/80% Levels
Application of VCC
@ -3dB
Pin 2 or Pin 5 Logic '1', Output Enabled
Pin 2 or Pin 5 Logic '0', Output Disabled
Pin 2 or Pin 5 Logic '1'
Bandwidth 12 kHz - 20 MHz
MIN
-0.5
-0.5
-40
TYP
1 - 80
+25
2.5
3.3
5.0
MAX
5.0
VCC
+100
UNIT
V
V
°C
MHz
°C
V
0.20
0.15
0.50
±100
10
1.25
1.65
2.50
Positive
25
25
30
15
2.30
3.15
4.50
10
-
45
0.9VCC
3
5
-
55
0.1VCC
8.0
10
-
ns
ms
kHz
0.5
0.3VCC
V
100
1
ns
ps
12
0.7VCC
-
pF
V
ppm
%
kOhms
%
V
1. Notes:
2. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and 1year aging.
Minimum guaranteed frequency shift from fO over variations in temperature, aging, power supply and load.
ENABLE TRUTH TABLE
SINGLE SIDE BAND PHASE NOISE
(typical maximum)
Frequency Phase Noise Frequency
(dBc/Hz) *
Offset
Offset
10 Hz
-60
10k Hz
100 Hz
-90
100k Hz
1k Hz
-120
>100k Hz
* Results may vary depending on frequency.
Document No. 008-0369-0
Phase Noise
(dBc/Hz) *
-135
-150
-150
Page 2 - 3
PIN 2 or Pin 5
Logic ‘1’
Open
Logic ‘0’
PIN 4
Output
Output
High Imp.
Rev. A
Model 353
5.0mm x 3.2mm HCMOS VCXO
TEST CIRCUIT, CMOS LOAD
OUTPUT WAVEFORM, CMOS
MECHANICAL SPECIFICATIONS
MARKING INFORMATION
1. ** - Manufacturing Site Code.
2. D – Date Code. See Table I for codes.
3. ST – Frequency stability/temperature code.
PACKAGE DRAWING
[Refer to Ordering Information.]
4. V – Voltage code. N or T = 2.5V, L or V = 3.3V,
S or W = 5.0V
5. xxx – Frequency Code.
3-digits, frequencies below 100MHz
Refer to document 016-1454-0, Frequency Code Tables.
CTS**D
353STV
● xxx
NOTES
1. Complete CTS part number, frequency value and
date code information must appear on reel and
carton labels.
2. Termination pads [e4]. Barrier-plating is nickel [Ni]
with gold [Au] flash plate.
3. Reflow conditions per JEDEC J-STD-020; 260°C
maximum, 20 seconds.
4. MSL = 1.
SUGGESTED SOLDER PAD GEOMETRY
CBYPASS should be ≥ 0.01 uF.
D.U.T. PIN ASSIGNMENTS
PIN
SYMBOL
DESCRIPTION
1
VC
Control Voltage
2
EOH or N.C.
Enable [std] or No Connect
3
GND
Circuit & Package Ground
4
Output
RF Output
5
N.C. or EOH
No Connect or Enable [opt]
6
VCC
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. 008-0369-0
Page 3 - 3
Rev. A
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