3.3V Surface Mount
Crystal Clock Oscillator
HSM643
XO
2111 Comprehensive Drive
2111 Comprehensive Drive
Aurora, Illinois 60505
Aurora, Illinois 60505
Phone: 630- 851- 4722
Phone: 630- 851- 4722
Fax: 630- 851- 5040
Fax: 630- 851- 5040
www.conwin.com
www.conwin.com
Features:
1.544 to 125 MHz
3.3V Operation
RoHS Compliant
Tri-State Enable/Disable
Power Saving Function: 10uA When Disabled
Overall Frequency Tolerance: ± 20 ppm
Temperature Range: -40 to 85°C
Ceramic Surface Mount Package
Tape and Reel Packaging
Maximum
125
5.0
Units
°C
Vdc
Notes
The Connor-Winfield HSM643 is a 7.5mm x
5mm, 3.3V HCMOS, Surface Mount, Fixed
Frequency Crystal Oscillators (XO) designed for
use in all applications requiring precision clocks.
The RoHS compliant surface mount package is
designed for high-density mounting and is
optimum for mass production.
US Headquarters:
630-851-4722
European Headquarters:
+353-61-472221
Parameter
Storage Temperature
Supply Voltage (Vcc)
Absolute Maximum Ratings
Minimum
-55
-0.5
Nominal
-
-
Operating Specifications
Parameter
Frequency Range (Fo)
Frequency Tolerance
Operating Temp Range
Supply Voltage (Vdd)
Supply Current (Icc)
1.544 to 31.999 MHz
32 to 49.999 MHz
50 to 66.999 MHz
67 to 125 MHz
Minimum
1.544
-20
-40
3.135
-
Nominal
-
-
-
3.3
-
Maximum
125
20
85
3.465
15
20
25
Units
MHz
ppm
°C
Vdc
mA
Notes
1
Input Characteristics
Parameter
Enable Voltage - (Vih)
Disable Voltage - (Vil)
Enable Time
Disable Time
Output Disable Current (lcc)
Minimum
≥
70% Vdd
-
-
-
-
Nominal
-
-
-
-
-
Maximum
-
≤
30% Vdd
10
150
10
Units
Vdc
Vdc
mS
nS
uA
Notes
2
HCMOS Output Characteristics
Parameter
Load
(Voh)
Voltage High (Vol)
Low
(loh)
Current High (lol)
Low
Duty Cycle at 50% of Vcc
Rise / Fall Time 10% to 90%
Start-Up Time
(10 Hz to 20 MHz)
Jitter
(12 kHz to 20 MHz)
Package
Bulletin
Page
Revision
Date
Minimum
-
2.91
-
-2
-
45
-
-
-
-
Nominal
-
-
-
-
-
50
4
-
-
-
Maximum
15
-
0.33
-
2
55
6
10
5
1
Units
pF
Vdc
mA
%
nS
mS
pS RMS
Notes
Package Characteristics
Hermetically sealed ceramic package and metal cover
Sm071
1 of 2
05
27 Nov 2007
Notes:
1. Inclusive of calibration @ 25°C , frequency stability vs temperature, supply voltage change, load change, shock and vibration, 15 years aging.
2. Oscillator output is enabled with no connection on pad 1
Specifications subject to change without notice. All dimensions in inches. © Copyright 1998 The Connor-Winfield Corporation
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
Environmental Characteristics
Temperature Cycle
The specimen shall meet electrical characteristics after
tested 5 cycles of -55°C / 30 minutes and +125°C / 30 minutes
Hermetical No bubbles appear in Flourinert (FC-43) at 125°C ±5°C for 5 minutes
Solvent Resistance
Marking will withstand immersion in
Isopropyl Alcohol or Trichloroethylene
Suggested Pad Layout
Soldering
General Conditions
260°C max x 10 sec max x 2 times max or
230°C max x 180 sec max x 1 time
Typical Operation Data
(Vapor phase reflow)
20 to 100 sec up to 215°C, 50 sec
at 215°C, then down to room temperature per 1 to 5°C / sec
Mechanical Characteristics
Free Drop
The specimen shall meet electrical characteristics after tested 3 times,
Free Drop testing on the hard wooden board from a height of 75 cm.
Vibration
The specimen shall meet electrical characteristics after tested
by the following conditions: 10-55Hz 1.5mm Amplitude,
55-2000 Hz 20 G's, 2 hours for each plane
Thermal Shock
After applied Thermal Shock of 260°C
max x 10 sec max x 2 times, or 230°C max x 180 sec max,
the specimen shall meet electrical characteristics
Solderability
(EIAJ-RCX-0102.101 Condition 1a)
1) Flux: MIL-F-14256 (WW Rosin=25%, Isopropyl Alcohol = 75%)
2) Solder: QQ-S-571 (Sn = 63%, Pb = 37%)
3) Solder bath temperature: 235°C ±5°C
4) Depth of immersion: Up to electrical terminal
5) Immersing time: Within 2 sec ±0.5 sec into solder bath
After performing the above procedures, a newly soldered coverage shall be greater than 90%
Test Circuit
Output Waveform
Pin Connections
1: Tri-State E/D
2: Ground
3: Output
4: VDD
Dimensional Tolerance: ±.02” (.508mm)
±.005” (.127mm)
Tape and Reel Dimensions
Ordering Information
HSM643 - 44.736 M
CLOCK
SERIES
CENTER
FREQUENCY
Bulletin
Dimensional Tolerance: ±.02” (.
±.005” (.1
Page
Revision
Date
Sm071
2 of 2
05
27 Nov 2007
Specifications subject to change without notice. All dimensions in inches. © Copyright 1998 The Connor-Winfield Corporation
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