SURFACE MOUNT CLOCK OSCILLATORS
FEATURES
ULTRA SMALL PACKAGE
EXCELLENT FOR HIGH DENSITY PACKAGING
SUITABLE FOR REFLOW SOLDERING
SPECIFICATIONS
SERIES
PARAMETER
FREQUENCY RANGE
CO47
50.10 MHz TO 125.00 MHz
CO48
1.8432 MHz TO 50.00 MHz
±100 PPM
±50 PPM
±25 PPM
±20 PPM (-10°C TO +70°C ONLY)
-10°C TO +70°C
-40°C TO +85°C
-55ºC TO +125ºC
+5.0 VDC ±10%
50 mA MAX
50 TO 100 MHz: 10 TTL OR 25 pF
101 TO 125 MHz: 5 TTL OR 15 pF
25 mA MAX
10 LS TTL MAX OR 15 pF
NORMAL: 40% TO 60%
TIGHT: 45% TO 55%
LOGIC "0": 0.5 VDC MAX
LOGIC "1": 4.0 VDC MIN
LOGIC "0": 0.5 VDC MAX
LOGIC "1": 0.9 x Vcc MIN
1.00 MHz TO 10.00 MHz: 5 ns
10.10 MHz TO 30.00 MHz: 4 ns
30.10 MHz TO 50.00 MHz: 3 ns
50.10 MHz TO 80.00 MHz: 2.5 ns
80.10 MHz TO 156.25 MHz: 2 ns
PIN 1: HIGH (+2.2 VDC MIN) PIN 3: ENABLED
PIN 1: LOW (+0.8 VDC MAX) PIN 3: DISABLED (HIGH IMPEDANCE)
45 mA MAX
10 TTL MAX OR 50 pF
SERIES CO47, 48 AND 49
CO49
FREQUENCY STABILITY †
OPERATING
TEMPERATURE
RANGE
EXTENDED
STORAGE
VOLTAGE
INPUT
CURRENT
LOAD
SYMMETRY
LEVEL
OUTPUT
RISE/FALL TIME
(20% to 80%)
ENABLE / DISABLE
FUNCTION
† INCLUSIVE OF 25 C TOLERANCE, OPERATING TEMPERATURE RANGE, VOLTAGE OR LOAD CHANGES, AGING, SHOCK AND VIBRATION
OUTLINE DRAWING
P IN 1 LO C AT IO N
.197 ± 0.008
5.0 ± 0.2
Scale none Dimension in
PIN
1
2
3
4
FUNCTION
INH
GROUND
OUTPUT
VDD
mm
inch
REFLOW SOLDERING PROFILE
240 °C
REFLOW
TEMPERATURE
M A R K IN G
AREA
7.5 M A X
0.295 M A X
PREHEATING
150 °C
COOLING
1.8 M A X
.070 M A X
INH: HI OR OPEN-Fout LOW-OSCILLATION STOPS
25 °C
100 s TYPICAL
TIME (SECONDS)
10 s
.043 ± .005
1.1 ± 0.12
S O LD E R N PAT TE R N
5.08 ± 0.12
.200 ± .005
1
2
1.8
.071
.082
2.1
3.28
.129
1.8
.071
CARRIER TAPE DIMENSIONS
1.5 ± 0.1
059 ± 0.004
2.0 ± 0.1
.079 ± 0.004
4.0 ± 0.1
.157 ± 0.004
1.1 ± 0.12
.043 ± .005
7.5 ± 0.1
5.08
.200
PACKAGING
254 mm REEL DIAMETER, 16mm TAPE WIDTH, 8mm PITCH
QUANTITY: 1000 or 3000 PIECES PER REEL
PART NUMBERING SYSTEM
SERIES
CO47
CO48
CO49
FREQUENCY
STABILITY
10
05
025
02
±100 PPM
±50 PPM
±25 PPM
±20 PPM
-
IN MHz
FREQUENCY
-
EXT
EXTENDED
(-40°C TO +85°C)
EXTENDED
TEMPERATURE
-
T
TIGHT SYMMETRY
(45% TO 55%)
TIGHT
SIMMETRY
-
TR
TAPE AND REEL
6.75
.266
8.0 ± 0.1
.315 ± 0.004
1.5 ± 0.1 DIA
.06 ± 0.004 DIA
2.16 ± 0.1
.085 ± 0.004
EXAMPLE: CO4710-60.000-TR, CO4805-32.000-T-TR, CO4910-45.000-EXT-T-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
.630 ± 0.012
1.05 T Y P
.041 T Y P
1.4 ± 0.12
.055 ± .005
.082
2.1
4
3
1.75 ± 0.1
.069 ± 0.004
.295 ± 0.004
16.0 ± 0.3
4.2
.165
嵌入式系统
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