Model 589
Stratum 3
Temperature Compensated Crystal Oscillator
FEATURES
HCMOS Output
Optional Voltage Control for Frequency Tuning [VCTCXO]
7.0mm x 5.0mm Surface Mount Package
Frequency Range 5 52 MHz
Fundamental Crystal Design
Operating Voltage, +3.0Vdc, +3.3Vdc or +5.0Vdc
Overall Frequency Stability 4.6ppm
Operating Temperature to -40C to +85C
Tape & Reel Packaging Standard, EIA-418
RoHS/Green Compliant [6/6]
APPLICATIONS
The Model 589, a quartz based analog TCXO with HCMOS output and optional frequency tuning, is suitable for
applications requiring Stratum 3 performance such as base stations, Microcells, Femtocells, 1588 and Synchronous
Ethernet timing, wireless communications, test and measurement.
ORDERING INFORMATION
589
SUPPLY VOLTAGE PACKAGING OPTIONS
T - 1k pcs./reel
R = +3.0Vdc
L = +3.3Vdc
S = +5.0Vdc
FREQUENCY TUNING [AFC]
T = No AFC [TCXO]
FREQUENCY
A = 5ppm - 8ppm [VCTCXO]
Product Frequency Code [3 digits]
OPERATING TEMPERATURE RANGE
Refer to document 016-1454-0,
Frequency Code Tables.
C = -20C to +70C
I = -40C to +85C
FREQUENCY STABILITY *
1
X1 = 0.14ppm
X2 = 0.28ppm
* Frequency vs. Temperature Only
1] Only available with temperature range code.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
Document No. 008-0528-0 Page 1 - 3 Rev. A
www.ctscorp.com Model 589
Stratum 3 TCXO/VC-TCXO HCMOS
ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
Maximum Supply Voltage V - -0.6 - 6.0 V
CC
Maximum Control Voltage V --0.5-V V
C CC
Storage Temperature T - -40 - +100 C
STG
Operating Temperature
Order Code 'C' T --20 +70C
A
+25
Order Code 'I' -40 +85
-
Frequency Range f 5- 52 MHz
O
Supply Voltage
Order Code 'R' 2.85 3.0 3.15
V 5% V
CC
Order Code 'L' 3.14 3.3 3.47
Order Code 'S' 4.75 5.0 5.25
Supply Current I -- 6.0 mA
CC
Frequency Stability
Overall Frequency Stability Reference to f , Including 20 years aging - - 4.60
O
f/f
O
vs. Initial Calibration @ +25C, at time of shipment - - 1.00
[Fmax. - Fmin.]/2, over -40C to +85C - - 0.28
vs. Operating Temperature
[Fmax. - Fmin.]/2, over -20C to +70C - - 0.14
ppm
f/f
vs. Supply Voltage 25 5% change @ +25C - - 0.40
vs. Load 5% change - - 0.10
vs. Aging 20 years @ +40C - - 2.80
Holdover f/f [Fmax. - Fmin.]/2, over 24 hours - - 0.32
O
Control Voltage V - 0.5 1.5 2.5 V
C
5 - 8
Frequency Tuning [VCTCXO Only] - V = 1.5V 1.0V, monotonic positive ppm
C
V Input Impedance ZV - 100 - - kOhm
C C
Output Waveform HCMOS
Output Voltage Levels
Logic '1' Level V HCMOS Load 0.9*V --
OH CC
V
Logic '0' Level V HCMOS Load - - 0.1*V
OL CC
Output Load C ---15pF
L
Rise and Fall Time T , T @ 20% - 80% Levels - 3.0 6.0 ns
R F
Output Duty Cycle SYM @ 50% Level 45 - 55 %
Start Up Time T ---2ms
S
Enable Function
Enable Input Voltage V Pin 8 Logic '1', Output Enabled 0.7*V --
IH CC
V
Disable Input Voltage V Pin 8 Logic '0', Output Disabled [High Imp] - - 0.3*V
IL CC
1
Phase Noise -- dBc/Hz
Notes:
1. Phase Noise performance may vary based on output frequency. See example plot at 10 MHz below.
TEST CIRCUIT HCMOS LOAD
Document No. 008-0528-0 Page 2 - 3 Rev. A
ELECTRICAL PARAMETERS