Crystal Oscillators - Seiko Epson
H C M O S / T T L D UA L I N L I N E P L A S T I C F U L L S I Z E S G - 5 1 / H A L F S I Z E S G - 5 3 1
SG-51/Half Size SG531
SG531
SG51
Features
•Frequency range 1.025MHz-125.0MHz
•Cylindrical type AT cut crystal quartz built in, thereby assuring high reliability
•Suitable for automatic insertion
•Use of CMOS IC enables reduction of current consumption
•Output load 10LSTTL/30-50pF
•Available with output enable and standby functions - SG51P and SG531P series
•Pin compatible with 8 pin and 14 pin metal can versions
•Packaged in plastic DIP package saves board space
•Extensive stock holding on SG531 series
Specifications
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Item |
Symbol |
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Specifications |
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Remarks |
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SG-51P/531P |
SG-51PTJ/531 PTJ |
SG-51PH/531PH |
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Output frequency range |
fo |
1.0250MHz to |
26.0001MHZ to 66.6667MHZ |
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26.0000MHz |
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Power source |
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Max. supply voltage |
Vpp -GND |
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-0.3V to +7.0V |
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voltage |
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Operating voltage |
VDD |
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5.0V±0.5V |
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Temperature |
Storage temp. |
TSTG |
-55°C to +125°C |
-55°C to +100°C |
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range |
Operating temp. |
TOPR |
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-10°C to +70°C |
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Soldering condition (lead part) |
TSOL |
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Under 260°C within 10 sec. |
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Don’t heat up the package more than 150°C |
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Frequency stability |
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f/fo |
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B: ±50ppm |
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-10°C to +70°C |
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C: ±100ppm |
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B Type is possible up to 55.0MHz |
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Current consumption |
lop |
23mA MAX. |
35mA MAX. |
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No load condition |
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Duty |
C-MOS level |
Tw/T |
40% to 60% |
– |
40% to 60% |
1.2VDD |
level |
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TTL level |
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45% to 55% |
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1.4V level |
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Output voltage |
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VOH |
VDD - 0.4V MIN. |
2.4V MIN. |
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VDD -0.4V MIN. |
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(IOH) |
-400µA |
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-4µA |
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VOL |
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0.4V MAX. |
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(IOL ) |
16mA |
8mA |
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4mA |
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Output load |
C-MOS |
CL |
50pF MAX. |
– |
50pF MAX. |
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condition (fan out) |
TTL |
N |
10TTL MAX. |
5TTL MAX. |
– |
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Output enable/disable input voltage |
VIH |
2.0V MIN |
3.5V MIN. |
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2.0V MIN. |
IIH = 1µ A MAX. (OE=VDD) |
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VIL |
0.8V |
1.5V MAX. |
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0.8V MAX. |
IIL =-100µ A MIN. (OE=GND), PTJ: -500µA |
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Output disable current |
IOE |
12mA MAX. |
28mA MAX. |
20mA MAX. |
OE=GN |
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Output |
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C-MOS level |
TTLH |
8nsec.MAX |
5nsec. MAX |
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7nsec. MAX. |
C-MOS load : 20% to 80% VDD |
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rise time |
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TTL level |
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TTL load : 0.4V to 2.4V |
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Output |
C-MOS level |
TTHL |
8nsec.MAX |
5nsec. MAX |
7nsec. MAX. |
C-MOS load : 80% to 20% VDD |
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fall time |
TTL level |
TTL load : 2.4V to 0.4V |
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Oscillation start up time |
tOSC |
4msec. MAX. |
10msec. MAX. |
More than for 1ms until VDD =0V to 4.5V |
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Time at 4.5V to be 0sec. |
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Aging |
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fa |
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±5ppm/year MAX. |
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Ta = 25°C, VDD |
=5V, first year |
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Shock resistance |
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S.R. |
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±20ppm MAX. |
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Drop Test of three times on hard board from |
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75cm height or excitation test with 3000G x |
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0.3ms x 1/2 sine wave in 3 directions. |
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Notes |
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•Unless otherwise stated, characteristics (specifications) shown in the above table are based on the rated operating temperature and voltage condition.
•External by-pass capacitor is recommended.
TEL: +44 1635 528520 FAX: +44 1635 528443