2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630-851-4722
Fax: 630-851-5040
www.conwin.com
Package Layout
Suggested Pad Layout
Pad Connections
0.079 Max.
0.276 0.006
(7.0mm)
0.295
(2.0mm)
1:
2:
3:
4:
5:
6:
7:
8:
9:
Do Not Connect
Do Not Connect
Do Not Connect
Ground
(7.49mm)
0.051
0.030
(0.76mm)
(1.28mm)
0.197
0.006
Keep Out Area
D75F 1144
27.0 MHZ
7
8
6
(5.0mm)
5
4
9
0.037
(0.94mm)
Output
Top View
0.025(6 Places)
(0.635mm)
Pin 1
0.215
(5.46mm)
Do Not Connect
Do Not Connect
Tri-State Enable / Disable
Supply Voltage Vcc
0.040
10
(1.02mm)
(6 Places)
1
2
3
6
0.051
2
3
1
10
9
4
(1.28mm)
0.030
T
e
m
p
e
r
a
t
u
r
e
260°C
260°C
220°C
180°C
150°C
120°C
0.100
0
Up
T
t
o
p
i
2
0
s
60
T
t
o
0
9
s
0
s
ypical
BottMeets IPom
C
/
J
E
D
E
C
J
-
S
T
D
-
0
2
0
C
(0.762mm)
(4 Places)
(2.54mm)
View
5
7
8
Dimensional Tolerance:
.005 (.127mm)
10: N/C
0.038
0.100
(0.965mm)
(4 Places)
.02 (.508mm)
(2.54mm)
* Do not route any traces in the keep out area. It is
recommended the next layer under the keep out
area is to be ground plane.
Design Recommendations
Output Waveform
Vcc, should have
a large copper
area for reduced
inductance.
0.010”(0.254mm)
50 Ohm trace
<1”by design
Vcc
Recommended
clearance
inductance
Connect a 0.01uF
bypass capacitor
<0.1”(2.54mm)
from the pad.
8
1
6
3
for internal
copper flood.
5
9
Buffer
4
10
Ground
Ground,
should have
a large copper
area for reduced
inductance.
Ground
Top View
Top View
Test Circuit
50 Ohm Trace
Without
Vias
DNC
DNC
DNC
OSC
Output
Buffer
TOP LAYER
1
2
3
GROUND LAYER
N/C
10
9
4
Ground
Vcc
Supply
Voltage
5
Output
BOTTOM LAYER
8
7
6
Attention: To achieve optimal frequency stability, and in some cases to meet the specification stated on this data
sheet, it is required that the circuit connected to this TCXO output must have the equivalent input capacitance
that is specified by the nominal load capacitance. Deviations from the nominal load capacitance will have a
graduated effect on the stability of approꢀimately 20 ppb per pF load difference.
15 pF
Enable/ DNC DNC
Disable
0.1 uF
Bypass
10 nF
Bypass
DNC = Do Not Connect
Tape and Reel Dimensions
Solder Profile
PIN 1
Temperature
260°C
260°C
220°C
180°C
150°C
120°C
.69
(17.5mm)
.31
(7.9mm)
.08
(2.0mm)
.08
(2.0mm)
8.46 DIA
(216mm DIA)
.21
(5.4mm)
9.84 DIA
(250mm DIA)
0
.157
(4.0mm)
Direction
Of
10 s
Up to 120 s
Typical
.08
(2.0mm)
Feed
(Customer)
60 to 90 s
Typical
3.15
(80mm)
.315
(8.0mm)
.06 DIA
(1.5mm DIA)
1.00 DIA
Bulletin
Page
Tx237
2 of 2
(25mm DIA)
.295 (7.5mm)
.07 (1.75mm)
.83 (16.0mm)
Revision
Date
02
MEETS EIA-481A and EIAJ-1009B
2,000 PCS/REEL
03 Nov 2011
Specifications subject to change without notice. All dimensions in inches. © Copyright 2011 The Connor-Winfield Corporation