MERCURY
Since 1973
CLOCK OSCILLATORS
“LPO” series
Logic: C M O S
Wave Form: Square wave
Product Summary
Package
Assembly
Technique
Package Size (mm)
[inches]
Frequency Range
Code
Thru-Hole Types
12.8 x 20.2 x 5.88
[0.504 x 0.795 x 0.231]
12.8 x 12.8 x 5.88
LPO14
LPO8
1 Hz ~ 160 kHz
Limited standard
frequencies only
4 pin DIL full size
4 pin DIL half size
Surface Mount Type
4 pad leadless
[0.504 x 0.504 x 0.231]
9.6 x 11.4 x 2.5
[0.0.378 x 0.449 x 0.098]
LPO42
LPO44
1 Hz ~ 160 kHz
Limited standard
frequencies only
9.6 x 11.4 x 4.7
[0.0.378 x 0.449 x 0.185]
4 pad leadless
LPO (Low Power Oscillator), such as 32.768 KHz, provides time base for real time clocks. Its low current
consumption (only 14 uA for model 3LPO model 7) makes it ideal for battery-operated devices such as data
logging and portable test equipments.
General Specifications Fosc=32.768 KHz, TA=+25°C, Load=10 pF,
Model Code
4
7
+3.3 V D.C.
±5%
+5.0 V D.C.
±10%
+3.3 V D.C.
±5%
+5.0 V D.C.
±10%
Input Voltage (VDD)
+3.0V to +15V is also available
+2.0V to +7.0V is also available
Output Logic
C M O S
Frequency Range
1 Hz to 160 kHz
±10 ppm: Tolerance code is “P”;
±50 ppm: Tolerance code is “B”
20 kHz to 160 kHz
±25 ppm: Tolerance code is “A”
±100 ppm: Tolerance code is “C”
Calibration Tolerance (at +25°C)
Frequency Stability
See chart below.
vs operating temperature
26 uA typical
45 uA typical
14 uA max.
Current consumption measured with load
18 uA max.
Current Consumption (10pF load)
Output Voltage HIGH “1”
Output Voltage LOW “0”
2.97 V min.
0.33 V max.
4.5 V min.
0.4 V max.
2.97 V min.
0.33 V max.
4.0 V min.
0.4 V max.
0.5 u sec typ.; 1 u sec. max.
25 n sec typ.; 45 n sec. max.
+1.6 V D.C.
Output is high impedance when LOW
Rise and Fall Time (10%↔90%VDD)
Start-up voltage
Option on pin 1
+1.90 V D.C.
No connection. No option available
2 CMOS gates
50%±5% typical; 50%±10% max.
450 m sec. max.
-50°C to +100°C
Fanout
Duty Cycle
Start-up Time
Storage Temperature
Aging at+25°C
5 ppm per year max.
Please contact Mercury Sales Dept. for frequency other than 32.768 kHz.
MERCURY
www.mecxtal.com
Taiwan: TEL (886)-2-2695-7099, FAX (886)-2-2695-7473, e-mail: mectw@mecxtal.com
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: mercury@mecxtal.com
MERCURY
Page 1 of 3
Date: Dec. 1, 2001
Rev. 0
