LOW PROFILE MICROPROCESSOR CRYSTALS
FEATURES
SERIES AS
HC-49/S
EXCELLENT CLOCK SIGNAL GENERATOR FOR CPU’s
3.5 mm MAXIMUM HEIGHT
AVAILABLE IN EXTENDED TEMPERATURE RANGE
SAME PIN LAYOUT AS HC-49/U
SPECIFICATIONS
FREQUENCY RANGE
3.20 MHz TO 70.00 MHz
3.20 MHz TO 40.320 MHz
FUNDAMENTAL
MODE OF OSCILLATION
THIRD OVERTONE
24.576 MHz TO 70.00 MHz
±30 PPM TYPICAL
±50 PPM MAXIMUM
FREQUENCY TOLERANCE AT 25°C
±50 PPM TYPICAL
±100 PPM MAXIMUM
FREQUENCY STABILITY OVER TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
-20° C TO +70° C STANDARD
-40° C TO +85° C EXTENDED
-55° C TO +125° C
SMD VERSION IS SHOWN ON PAGE 20
STORAGE TEMPERATURE RANGE
AGING
±5 PPM PER YEAR MAXIMUM
10 pF TO 32 pF OR SERIES
SEE TABLE
LOAD CAPACITANCE
EQUIVALENT SERIES RESISTANCE (ESR)
DRIVE LEVEL
0.1 mW TYPICAL
CRYSTAL CUT
AT STRIP
TYPICAL FREQUENCIES AND ESR CHARACTERISTICS
FREQUENCY ESR MAX
FREQUENCY ESR MAX
FREQUENCY ESR MAX
FREQUENCY ESR MAX
MODE
MODE
MODE
MODE
(MHz)
3.579545
3.6864
4.00
(OHM)
200
200
150
150
150
150
150
150
120
100
100
100
80
(MHz)
(OHM)
(MHz)
14.7456
16.00
(OHM)
(MHz)
47.92
48.00
50.688
52.416
56.448
60
(OHM)
80
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
8.064
80
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
50
FUND
FUND
FUND
FUND
FUND
FUND
FUND
3OT
3OT
3OT
3OT
3OT
3OT
3OT
8.192
80
50
80
8.6436
9.60
80
16.000312
16.384
19.6608
20.00
50
80
4.032
60
50
80
4.096
9.8304
10.00
60
50
80
4.194304
4.433619
4.9152
5.0688
6.00
60
50
80
10.24
60
24.00
50
70.00
80
10.244
10.245
11.00
60
24.576
27.00
50/80 FUND/3OT
50/80 FUND/3OT
50/80 FUND/3OT
50/80 FUND/3OT
50/80 FUND/3OT
50/80 FUND/3OT
50/80 FUND/3OT
50/80 FUND/3OT
50/100 FUND/3OT
OTHER FREQUENCIES
ARE AVAILABLE
60
60
28.63636
29.00
6.144
11.0592
11.2896
12.00
60
6.176
60
32.00
7.15909
7.3728
7.680
60
32.768
36.00
80
12.288
12.80
60
80
60
40.00
8.00
80
14.31818
60
40.320
PART NUMBERING SYSTEM
EXTENDED
TEMPERATURE
HOLDER TYPE
FREQUENCY
LOAD CAPACITANCE
MODE
-
-
-
-
10 TO 32pF FOR PARALLEL
S FOR SERIES
FUND
3OT
FUNDAMENTAL†
THIRD OVERTONE
AS HC-49/S
IN MHz
EXT
MECHANICAL OPTIONS
HEIGHT
TAPE AND REEL
T
STD†
H3
H28
3.5 mm
3.0 mm (CUSTOM)
2.8 mm (CUSTOM)
-
THREE PIN BASE
3PIN
SPACER
SP
-
-
EXAMPLE: AS-16.000-20-H3
AS-32.000-18-3OT-SP-EXT-T
† NO OPTION CODE NEEDED WHEN “STD” OR FUNDAMENTAL IS SPECIFIED.
TAPE AND REEL QUANTITY IS 1K PIECES.
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com