Document No. 008-0307-0

Page 3 - 4

Rev. A

Model 575

7x5mm Ceramic Package

Clipped Sinewave VCTCXO

MECHANICAL SPECIFICATIONS

PACKAGE DRAWING

MARKING INFORMATION

1

(0.8 ±0.1)

0.031 ±0.004

4

3

2

Inch

(mm)

Key:

(1.9 ±0.1)

0.075 ±0.004

(1.4 ±0.1)

0.197 ±0.008

(5.0 ±0.2)

0.079

0.276 ±0.008

0.055 ±0.004

0.106 ±0.004

(2.7 ±0.1)

(7.0 ±0.2)

MAX

(2.0)

0.012 ±0.004

(0.3 ±0.1)

{Pads 1 - 4}

{Pads 1 - 4}

NOTES

1. DO NOT make connections to non-labeled pins.

Castellation pins may have internal connections used in the

manufacturing process.

2. Termination pads (e4), barrier-plating is nickel (Ni) with

gold (Au) flash plate.

3. Reflow conditions per JEDEC J-STD-020.

SUGGESTED SOLDER PAD GEOMETRY

SUGGESTED REFLOW PROFILE

.165 [4.20]

Key:

[mm]

Inch

12

3

4

.071 [1.80]

.225 [5.71]

.047 [1.20]

0

100

200

300

0

30

60

90

120

150

180

210

240

270

300

Time (Seconds)

Temp.

(°C)

Maximum 260°C, 10 seconds

Typical 245°C

130°C

POWER

SUPPLY

+

-

+

-

-

+

VM

mA

0.01uF

D.U.T.

43

12

10K

Including probe

capacitance.

Control Voltage

10pF

Ω

D.U.T. PIN ASSIGNMENTS

PIN

SYMBOL

DESCRIPTION

1

2

GND

Circuit & Package Ground

3

Output

Clipped Sine Wave Output

4

Supply Voltage

Note:

1. Connect to ground for TCXO (no AFC) option.

1. C – CTS and Pin 1 identifier.

2. XXX – Frequency. See Table I for codes.

3. YM – Date code, Y – year, M – month, see

Table II for codes.

CXXX YM

TABLE I - FREQUENCY CODING

Frequency

Marking Code

Frequency

Marking Code

10.0 MHz

100

19.2 MHz

192

12.8 MHz

128

19.44 MHz

194

13.0 MHz

130

19.68 MHz

196

14.4 MHz

144

19.8 MHz

198

15.36 MHz

153

20.0 MHz

200

16.8 MHz

168

26.0 MHz

260

TABLE II – DATE CODE

Year

Month

4 = 2004

1 = January

7 = July

5 = 2005

2 = February

8 = August

6 = 2006

3 = March

9 = September

7 = 2007

4 = April

10 = October

8 = 2008

5 = May

11 = November

9 = 2009

6 = June

12 = December