s3881-32.768k Pletronics, Inc., s3881-32.768k Datasheet - Page 6

• Manufacturer Part Number: s3881-32.768k
• Description: S3881 - 32.768k Cmos Clock Oscillator
• Manufacturer: Pletronics, Inc.

Mechanical:
Layout and application information
For Optimum Jitter Performance, Pletronics recommends:
•
•
•
•
Contacts :
Pad
Gold 11.8 µinches
Nickel 50 to 350 µinches
1
2
3
4
6
7
a ground plane under the device while avoiding connection to the two dot pads on the bottom. Use
the PCB solder mask to isolate the two dot pads
no large transient signals (both current and voltage) should be routed under the device
do not layout near a large magnetic field such as a high frequency switching power supply
do not place near piezoelectric buzzers or mechanical fans.
www.pletronics.com
Function
Output
Enable/Disable
Ground (GND)
Output
Supply Voltage
(V
Internal Connection
Internal Connection
CC
)
0.3 µm minimum over
1.27 to 8.89 µm
Note
When this pad is not connected the oscillator shall operate.
When this pad is logic low the output will be inhibited (high impedance state.)
Recommend connecting this pad to V
Recommend connecting appropriate power supply bypass capacitors as close as
possible.
Do not connect to this pad
Do not connect to this pad
425-776-1880
4
3
6
7
Not to Scale
1
2
CMOS Clock Oscillator
CC
if the oscillator is to be always on.
S3881 - 32.768K
A
B
C
D
E
F
G
1
1
1
1
Inches
0.098 + _ 0.008
0.157 + _ 0.008
0.039 + _ 0.004
0.035
0.039
0.047
0.016D
1
Typical dimensions
July 2007
2.5 + _ 0.20
4.0 + _ 0.20
1.0 + _ 0.10
0.9
1.0
1.20
0.40D
6
mm