Pb-Lead Free
RoHS Compliant
Ltr
Revisions
Date
Appr
Electrical Specifications:
Nominal Frequency
32.768
±100
±50
Temperature Stability
±30
±25
±20
Aging per Year
Operating Temperature Range
Storage Temperature Range
Supply Voltage
Input Current
Output Symmetry
Output Level
Output Load
Rise and Fall Time
Enable-Disable Function
50
Standard
Tight
1.8 ± 5%
1.5
Standard
Extended
±3
0 to +70
-40 to +85
-55 to +125
2.5 ± 5%
2.5
40 to 60
45 to 55
HCMOS
15
50
Tri-State
50
3.3 ± 10%
3.5
Vdd
mA Max
%
-
pF Max
ns Max
-
ºC
PPM Max
KHz
Temperature stability is Inclusive of all conditions:
Calibration Tolerance at +25°C, frequency stability over the operating temperature range, supply voltage, supply
voltage change, output load changes, shock, vilbration, and 1st year aging at +25°C.
Specification Title:
Clock Oscillator
Time of Day - 32.678 KHz
HCMOS Output
2.5 x 2 millimeter Surface Mount
General Product Specification
11-3 Chien-Kuo Rd T.E.P.Z. 4027 Taiwan, ROC
All dimensions are millimeters.
CAD:
TCR
EG
Review:
SL
Appr:
1/4
Page:
Date:
Feb 4, 2008
Part Number:
S2-32.768 KHz Series
www.aker-usa.com
Mechanical Outline:
Pin1
INH
High or Open
Low
Pin 3
Output
Operating
High Impedance
Package is Seam Sealed Ceramic-Metal.
Terminator Pads are Ni/Au
Dimensions are millimeters.
Page:
2/4
Date:
Feb 4, 2008
P/N:
S2-32.768 KHz Series
www.aker-usa.com
Carrier Tape Dimensions:
Dimensions are millimeters.
Solder Reflow Characteristics:
Page:
3/4
Date:
Feb 4, 2008
P/N:
S2-32.768 KHz Series
www.aker-usa.com
How to build a Part Number:
Series
Package
Supply Voltage
S
2
33
25
18
10
05
03
025
020
See Notes
T
-
Frequency
Temperature Range
Output Load
Packaging
32.768K
-
See Notes
X
-
15
-
R
Tape and Reel
pF Max
0 to +70 ºC
-40 to +85 ºC
KHz
Parameter
2.5 x 2 mm
+3.3 Vdd ± 10%
+2.5 Vdd ± 5%
+1.8 Vdd ± 5%
±100 PPM
±50 PPM
±30 PPM
±25 PPM
±20 PPM
40 / 60 %
45 / 55 %
Temperature Stability
Duty Cycle
Part Number Example:
S23305-32.768K-15-X-R
S2: 2.5 x 2.0 mm SMD Package
33: +3.3 ± 10 % Vdd Supply Voltage
05: ±50 PPM Temperature Stability
32.768 KHz Nominal Frequency
15 pF Load
X: -40 to + 85° C Extended Temperature Range
R: Tape and Reel Packaging
Notes:
1- Standard Duty Cycle and Temperature Range do not need to be included in Part Number
description.
2- Product is shipped in Tape and Reel configuration. Each reel contains 1000 pieces.
3- Quantities less than 1000 are shipped bulk in ESD pouches.
4- Specification subject to change without notice.
Page:
4/4
Date:
Feb 4, 2008
P/N:
S2-32.768 KHz Series
www.aker-usa.com