Datasheet
Version 3.5/08.2010
Micro Crystal AG Tel. +41 32 655 82 82
Mühlestrasse 14 Fax +41 32 655 82 83
CH-2540 Grenchen sales@microcrystal.com
Switzerland www.microcrystal.com
TERMINATIONS AND
PROCESSING:
Package-Type Termination Processing
Ceramic
For SMD mounting
Au plated pads
Refl ow soldering
260°C / 20 s max.
ENVIRONMENTAL
CHARACTERISTICS:
Conditions Max. Dev.
Storage temp. range –55 to +125°C
TA Operating temperature range –40 to +85°C
TB Extended oper. temp. range –40 to +125°C
Shock resistance
ΔF/F
5000 g, 0.3 ms, ½ sine +/-5 ppm
Vibration resistance
ΔF/F
20 g / 10–2000 Hz +/-5 ppm
ELECTRICAL CHARACTERISTICS
AT 25°C:
All specifications subject to change without notice.
Output Frequency F 32.768 kHz
Frequency tolerance
1)
ΔF/F +/-20 ppm
Supply voltage V
DD
1.2 – 5.5 V
Current consumption (typ./max.)
2)
I
DD
0.3 / 0.5 μA
Duty cycle (min./max.) 40 / 60 %
Output voltage (high)
3)
V
OH
V
DD
–0.4 V
Output voltage (low)
4)
V
OL
Gnd +0.4 V
Output Load
HCMOS
15 pF
Output Current
I
OH
1mA
I
OL
-1 mA
Output rise time (max.)
5)
t
r
70 ns
Output fall time (max.)
5)
t
f
70 ns
Start up time (max.) t
start
0.5 s
CLK Output Enable (High) V
IH
80% V
DD
min.
V
CLK Output Disable (Low) V
IL
20% V
DD
max.
V
Voltage coeffi cient (max.) +/-1.5 ppm/V
Aging fi rst year max. @ 25°C ΔF/F +/-3 ppm
Turnover temperature (typ.) T
0
25 +/-5 °C
Frequency vs. temperature ΔF/F
0
–0.035
ppm
/
°
C
²
(T - T
0
)
2
+/-10% ppm
-180.0
-160.0
-140.0
-120.0
-100.0
-80.0
-60.0
-40.0
-20.0
0.0
20.0
-60 -40 -20 0 20 40 60 80 100
T [°C]
Tuning Fork Crystal
ΔF/F [ppm]
FREQUENCY TEMPERATURE
CHARACTERISTICS:
4) I
OL
= 1.0 mA.
5) C
L
= 10 pF, 10% to 90%.
1) Tighter tolerances on request.
2) V
DD
= 3.0 V OE.
3) I
OH
= –1.0 mA.