Product Data Sheet
TC-210 (Z5) Series
P/N 6661, 6662, 6663, 6664
s
Temperature Compensated Crystal Oscillators
Features
12.800 MHz output frequency
Stability as tight as ±0.28 ppm over temperature
Low Current Draw Consumption: <20 mA
Aging to <4.0 ppm for 20 years
Package:
1.0x 1.15x 0.395(25.40x29.21x10.03mm)
TTL output
+3.3 Vdc (operable over +3.135 Vdc to +5.5 Vdc)
For use with Semtech Chip ACS8510 SETS
SONET/SDH Network Timing Sources
Computer Telephony CT-BUS
The 6661, 6662, 6663, 6664 have been optimized to
work with the Semtech Chip
ACS8510 SETS
to meet
the requirements of Bell Core specification GR-1244-
CORE and ITU G.813.
The 6664 in particular has been designed to meet
the stringent Holdover requirements for a Stratum 3
Clock source as called out in GR-1244-CORE, per
Table 3-1 as described in Sections 5.2 and 9.1.1.
All four units have been designed to meet the
0.05 ppm over
Frequency vs Supply requirement of
±
any
±
5% change in Supply from a minimum of
+3.135 Vdc to a maximum of +5.5 Vdc.
Note:
Other stability and output options are available.
A data sheet explaining all the TC-210 (Z5) series
options can be downloaded from our website at:
www.stratum3.com
Part Number:
Frequency:
Operating Temp Range:
Aging:
Stability vs
Temperature:
Stability vs Supply:
Initial Accuracy @ +25º
C:
Supply Voltage:
Current (@ +3.3 Vdc):
Output:
Symmetry (at 50% Vdd):
Rise/Fall Time (10-90%):
Level "0" and "1":
Phase Noise:
(TYPICAL)
6661
12.800 MHz
-20º to +70º
C
C
<20 ppm
for 20 years
± ppm
1.0
-20º to +70º
C
C
6662
12.800 MHz
0º to +50º
C
C
<20 ppm
for 20 years
±
0.28 ppm
0º to +50º
C
C
6663
12.800 MHz
-20º to +70º
C
C
<4.0 ppm
for 20 years
± ppm
1.0
-20º to +70º
C
C
6664
12.800 MHz
0º to +50º
C
C
<4.0 ppm
for 20 years
±
0.28 ppm
0º to +50º
C
C
±
0.05 ppm for any ±5% change in Voltage
± ppm Pre-Reflow
1.5
+3.3 Vdc (operable over +3.135 Vdc to +5.5 Vdc)
<20 mA (7 mA Typical)
TTL
60/40 to 40/60, maximum
<10 nanoseconds
<0.5 Volts, >2.5 Volts
Offset
100 Hz
1k Hz
10k Hz
100k Hz
Phase Noise
-115 dBc/Hz
-130 dBc/Hz
-140 dBc/Hz
-155 dBc/Hz
Shock:
Vibration - Sine:
Vibration - Random:
Thermal Shock:
Acceleration:
Size:
50g, 11ms per MIL-STD-202 Method 213 Condition G
10g, 10Hz to 500Hz per MIL-STD-202 Method 204 Condition A
5.2g rms per MIL-STD-202 Method 214 Condition A
-55º to +85º per MIL-STD-202 Method 107 Condition A
C
C
50g per MIL-STD-202 Method 212 Condition A
1.00" x 1.15" x 0.395" (25.40mm x 29.21mm x 10.03mm )
.045R
.100
.100
5 places
25.40
(1.00)
29.21
(1.15)
10.16
(0.4)
20.574
(0.81)
10.033
(in.)
(0.395)
GND (760 Series)
N/C (760 Series)
Supply (Z5 Series)
19.05
(0.75)
9.525
(0.375)
OUT (Both Series)
2.54
(.100)
10.795
19.05
(0.75)
(.425)
6.35
(.250)
GND (Z5 Series)
25.4
(1.00)
13.97
(.550)
Supply (760 Series)
20.32
(.800)
GND (Z5 Series)
2.54
3.048 SQ
(.120
SQ )
N/C (Both Series)
(.100)
The Standard ship method for volume production of the TC-210 series is in a matrix tray. These
trays are 100% recyclable. The trays also offer the added feature that they can be continuously
feed into a pick-n-place machine eliminating the down time required with tape-n-reel.
12 15/16
0. 2 15
VI Logo
0. 2 15
0. 12 5
4.00
0.1 2 5
1. 05
0. 125
1. 20
0.15
3 x 9 Array / 27 units per tray
0. 40 5 Deep
Although protection circuitry has been
designed into this device, proper precautions
should be taken to avoid exposure to
electrostatic discharge (ESD) during handling
and mounting. VI employs a human-body
model (HBM) and a charged-device model
(CDM) for ESD-susceptibility testing and
protection design evaluation. ESD voltage
thresholds are dependent on the circuit
parameters used to define the mode.
Although no industry-wide standard has been
adopted f or the CDM, a standard HBM
(resistance = 1500 ohms, capacitance =
100pf) is widely used and therefore can be
used for comparison purposes. The HBM
ESD threshold presented here was obtained
by using these circuit parameters.
ESD Threshold Voltage
Model
Human-Body (HBM)
Charged-Device
Threshold
500
500
Unit
V min
V min
pre-heating
60 to 90 sec.
a t 1 5 0 º to 170º
C
C
reflow
20 to 40 sec.
at >
200º
C
Note: TCXO are precision subsystems with tolerances measured to ±0.01 ppm. Non-Hermetically sealed
s
TCXO should not be subjected to a wash process that will immerse the TCXO in solvents. NO CLEAN is the
s
recommended procedure. The TC-210 (Z5) series of TCXO has been designed for pick and place reflow
s
soldering. The suggested reflow profile is shown above. The TCXO may be reflowed two times. Typical frequency
shift as a result of reflow is <1.0 ppm per reflow. VI recommends waiting at least two hours after reflow before
measuring the unit.
6661
6662
6663
6664
(±1.0 ppm -20º to +70º <20 ppm aging for 20 years)
C
C,
(±0.28 ppm 0º to +50º <20 ppm aging for 20 years)
C
C,
(± ppm -20º to +70º <4.0 ppm aging for 20 years)
1.0
C
C,
(±
0.28 ppm 0º to +50º <4.0 ppm aging for 20 years)
C
C,
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