LOW PROFILE MICROPROCESSOR CRYSTALS
FEATURES
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
FUNDAMENTAL
MODE OF OSCILLATION
THIRD OVERTONE
FREQUENCY TOLERANCE AT 25°C
FREQUENCY STABILITY OVER TEMPERATURE RANGE
24.576 MHz TO 70.00 MHz
±30 PPM TYPICAL
±50 PPM MAXIMUM
±50 PPM TYPICAL
±100 PPM MAXIMUM
-20º C TO +70º C STANDARD
OPERATING TEMPERATURE RANGE
-40º C TO +85º C EXTENDED
STORAGE TEMPERATURE RANGE
AGING
LOAD CAPACITANCE
EQUIVALENT SERIES RESISTANCE (ESR)
DRIVE LEVEL
CRYSTAL CUT
-55º C TO +125º C
±5 PPM PER YEAR MAXIMUM
10 pF TO 32 pF OR SERIES
SEE TABLE
0.1 mW TYPICAL
AT STRIP
3.20 MHz TO 70.00 MHz
3.20 MHz TO 40.320 MHz
SERIES AS
(HC-49/S)
TYPICAL FREQUENCIES AND ESR CHARACTERISTICS
FREQUENCY ESR MAX
(MHz)
(OHM) MODE
3.579545
3.6864
4.00
4.032
4.096
4.194304
4.433619
4.9152
5.0688
6.00
6.144
6.176
7.15909
7.3728
7.680
8.00
180
150
130
130
130
130
130
130
100
80
80
80
70
70
70
60
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FREQUENCY ESR MAX
(MHz)
(OHM) MODE
8.064
8.192
8.6436
9.60
9.8304
10.00
10.24
10.244
10.245
11.00
11.0592
11.2896
12.00
12.288
12.80
14.31818
60
60
60
60
60
50
50
50
50
50
50
50
50
50
50
50
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FREQUENCY ESR MAX
(MHz)
(OHM)
14.7456
16.00
16.000312
16.384
19.6608
20.00
24.00
24.576
27.00
28.63636
29.00
32.00
32.768
36.00
40.00
40.320
50
40
40
40
40
40
40
40/80
40/80
40/80
40/70
40/70
40/70
40/70
40/70
40/70
MODE
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FREQUENCY ESR MAX
(MHz)
(OHM) MODE
47.92
48.00
50.688
52.416
56.448
60
70.00
70
70
70
70
70
70
70
3OT
3OT
3OT
3OT
3OT
3OT
3OT
OTHER FREQUENCIES
ARE AVAILABLE
PART NUMBERING SYSTEM
HOLDER TYPE
-
AS HC-49 SHORT
IN MHz
FREQUENCY
-
LOAD CAPACITANCE
10 TO 32 pF FOR PARALLEL
S FOR SERIES
-
MODE*
F
FUNDAMENTAL
3OT THIRD OVERTONE
-
TOLERANCE/STABILITY**
(PPM/PPM)
EXAMPLES: 1020, 1010
-
EXTENDED
TEMPERATURE
-
EXT
MECHANICAL
OPTIONS
3PIN
SP
THREE PIN BASE
HEIGHT**
-
STD 4.6 mm (STANDARD)
-
H32 3.2 mm (CUSTOM)
H30 3.0 mm (CUSTOM)
H25 2.5 mm (CUSTOM)
TAPE AND REEL
SPACER
TR
* ONLY FOR FREQUENCIES OVER 24.576 MHz ** INCLUDED IN THE PART NUMBER ONLY IF DIFFERENT FROM THE STANDARD.
EXAMPLES: AS-10.000-20-F-3PIN-TR, AS-32.000-18-3OT-1010-EXT-SP-H30-TR
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
LOW PROFILE MICROPROCESSOR CRYSTALS
OUTLINE DRAWINGS
SERIES AS
HC-49/S
10.49 MAX
.413 MAX
“H”
“H”
10.3 MAX
.406 MAX
11.99 MIN
.472 MIN
0.43 DIA
.017 DIA
0.43 DIA
.017 DIA
4.88
.192
4.88
.192
2.44
.096
5.0 MAX
.197 MAX
11.35 MAX
.447 MAX
HEIGHT (MAX)
STD 3.5 mm/.138 in
H3 3.0 mm/.126 in
H28 2.8 mm/.110 in
H25 2.5 mm/.098 in
11.35 MAX
.447 MAX
HEIGHT (MAX)
STD 3.5 mm/.138 in
H3 3.0 mm/.126 in
H28 2.8 mm/.110 in
H25 2.5 mm/.098 in
TYPE AS (HC-49/S)
TYPE AS-3PIN (HC-49/S CENTER GROUND PIN)
OPTION: 3-PIN
3 X 0.46 DIA
3 X .018 DIA
4.88
.192
2.44
.192
4.57
.180
10.66
0.5 MAX
.420
.02 MAX
PLASTIC SPACER
OPTION: SP
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
5.00 MAX
.197 MAX
11.98 MIN
.472 MIN
PCB设计
