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P1145-HCM Datasheet, PDF (3/7 Pages) Pletronics, Inc. – P1145-HCM-32.768K CMOS Clock Oscillator
P1145-HCM-32.768K
CMOS Clock Oscillator
July 2007
Electrical Specification for Vcc 1.5V to 5.0V over - 40 to +85°C
Item
Min Typ Max Unit Condition
Frequency
32.768
kHz
Frequency Calibration Tolerance -30
0
+30
ppm at 25 oC
Frequency Stability *
-60
-
+30 ppm when operating at 0 to +70 oC
-200
-
+30 ppm when operating at -40 to +85 oC
Output Waveform
CMOS
Output High Level
Output Low Level
90
-
-
%
of VCC (See load circuit)
-
-
10
%
Output TRISE and TFALL
Output Symmetry
-
100 150
nS
CLOAD = 15pF TR / TF 10% to 90% and
D.C. at 50% point of VCC
45
50
55
% (See load circuit)
Enable/Disable Internal Pull-up
1
-
-
Mohm to VCC
V disable
-
-
30
%
of VCC applied to pad 1
V enable
70
-
-
%
Output leakage VOUT = VCC
VOUT = 0V
Supply Current (ICC)
Standby Current ICC
Enable time
-10
-
+10
uA Pad 1 low, device disabled
-10
-
+10
uA
-
3.3
9.0
uA
VCC = 1.5V
CLOAD = 15 pF
-
4.0 10.0
uA
VCC = 1.8V
-
4.2 11.0
uA
VCC = 2.0V
-
5.0 12.0
uA
VCC = 2.7V
-
6.0 15.0
uA
VCC = 3.3V
-
8.0 20.0
uA
VCC = 5.0V
-
-
3
uA Pad 1 low, device disabled
-
-
100
nS Time for output to reach a logic state
Disable time
-
-
100
nS Time for output to reach a high Z state
Start up time
-
-
500
mS Time for output to reach specified
frequency
Operating Temperature Range
-40
-
+85
oC
Storage Temperature Range
-55
-
+125
oC
*For all supply voltages, load changes, aging for 1 year, shock, vibration and temperatures
Specifications with Pin 1 E/D open circuit
www.pletronics.com
425-776-1880
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