Datasheet

Version 1.2/05.2012
Micro Crystal AG Tel. [phone]
Mühlestrasse 14 Fax [phone]
CH-2540 Grenchen [e-mail]
Switzerland www.microcrystal.com
TERMINATIONS AND
PROCESSING:
Package-Type Termination Processing
Ceramic 8-pin
Metal Lid
For SMD mounting
Au plated pads
Refl ow soldering
260°C / 20 s max.
All specifications subject to change without notice.
ENVIRONMENTAL
CHARACTERISTICS:
Conditions Max. Dev.
Storage temp. range –55 to +125°C
TA Operating temperature range –40 to +85°C
Shock resistance
F/F
5000 g, 0.3 ms, ½ sine +/-5 ppm
Vibration resistance
F/F
20 g / 10–2000 Hz +/-5 ppm
ELECTRICAL CHARACTERISTICS
AT 25°C:
PIN CONNECTIONS
TOP VIEW:
Pin Connection
1 SDA Serial Data
2 CLKOUT Frequency Ouput
3
V
SS
Ground
4 NC not connected
5
V
DD
Power Supply Voltage
6
INT Interrupt Output
7 NC not connected
8 SCL Serial Clock Input
Symbol Condition Min. Typ. Max Unit
Supply voltage V
DD
I
2
C Bus Active 1.3 4.4 V
Supply voltage V
DD
Time keeping 1.0 4.4 V
Current consumption
during access
I
DD
fscl=400 kHz V
DD
3 V
35 μA
fscl=400 kHz V
DD
2 V
20 μA
Current consumption
Time keeping mode
I
DDO
fscl=0 Hz, V
DD
3 V
350 500 nA
fscl=0 Hz, V
DD
1 V
270 400 nA
CLKOUT frequency Programmable 32768...to...1 Hz
Frequency tolerance F/F @ 25°C ±20
1)
ppm
Aging fi rst year max. F/F @ 25°C ± 3 ppm
Frequency vs. temp. F/F
O
20 ≤ T
0
≤ 30
–0.035
ppm
/
°C²
(T - T
0
)
2
±10%
ppm
FREQUENCY TEMPERATURE
CHARACTERISTICS:
-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]
1) Tighter and wider frequency tolerances on request.