CLOCK OSCILLATORS
“LPO” series
Logic: C M O S
Wave Form: Square wave
MERCURY
Since 1973
For kHz range clock oscillators with ±25, ±50 or ±100 ppm frequency stability and current consumption in the
mA (milli amps) range, please refer to the “H” series.
Part Number Format and Example
“K” suffix for kHz
“H” suffix for Hertz
Voltage code Package Code
Frequency Tolerance
Code: P, A, B or C
Model Code
4 or 7
Frequency
Pin 1 option
“T” or blank
3 or 5 etc
LPO14 or LPO8
Example:
5LPO14-C4-32.768K
represents +5.0V, LPO 32.768 kHz model 4, full size 4 pin DIP, ±100 ppm calibration
tolerance.
Typical Frequency Stability vs Temperature Curve
Current Consumption (Icc) vs Supply Voltage
(Referenced to +25°C)
(VDD). Measured with 10 pF load
LPO 32.768 kHz model 4 and model 7
LPO 32.768 kHz model 4
0.0
-20.0
-40.0
-60.0
180
160
140
120
100
80
+25°C
-80.0
-100.0
-120.0
-140.0
-160.0
60
40
20
0
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80
2
3
4
5
6
7
8
9
10
Temperature (°C)
Output Wave Form
LPO 32.768 kHz model 7
Tr
Tf
CMOS
30
25
20
15
10
5
VOH
90%VDD
50%VDD
10%VDD
VOL
TH
0
T
Duty Cycle = (TH / T)x100%
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
Vdd (volts)
6
6.5
7
MERCURY
Page 2 of 3
Date: Dec. 1, 2001
Rev. 0
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
