SEL3931A-FREQ(T) - Pericom Semiconductor Corp.

Crystal Clock Oscillator

Technical Data SEL393x Series

SaRonix

3.3V, PECL, FR4

DS-227 REV B

Pad: 1 / 2 / 3 / 4 / 5 / 6 /

Frequency Range: 19.44 MHz to 200 MHz

Description

ACTUAL SIZE

Applications & Features

SONET/SDH/DWDM

ATM

Fibre Channel

Gigabit Ethernet and 10GigE routers &

switches

3.3V PECL (LVPECL) capability

Frequency range from 19.44 to 200MHz

Economical and rugged FR4 package

Designed for standard reflow and wash-

ing techniques

Available on tape & reel; 16mm tape,

500pcs per reel

Replaces more costly SEL36/SEL37

series with comparable layout and per-

formance

See SEL481x Series for frequencies

≥200MHz

See SEL381x Series for smaller ceram-

ic 5x7mm package designed for optical

NICs

See SDS3811 Series for smaller ceram-

ic 5x7mm package designed for optical

NICs with new LVDS capability

•

±20, ±25, ±50 or ±100 ppm over all conditions: calibration tolerance,

operating temperature, rated input (supply) voltage, load, *aging,

shock and vibration.

30 days (guaranteed long-term aging available)

Frequency Stability:

*Aging:

Temperature Range:

Operating:

Storage:

Supply Voltage (VCC): +3.3V ±5% PECL

-55 to +125°C

Supply Current: 60mA typ (70mA max) terminated as specified

0 to +70°C or -40 to +85°C

Output Drive:

Symmetry:

Rise & Fall Times:

Logic 0:

Logic 1:

Load:

RMS Period Jitter:

RMS Phase Jitter:

Total Jitter:

Output Enable Voltage:

Disable Voltage:

45/55% max @ VBB or Complementary Outputs Crossing

350ps typ, 550ps max, 20% to 80% of waveform

≤ VCC -1.595V (-40 to 85°C )

≥ VCC -1.02V (0 to +70°C), VCC -1.08V (-40 to 85°C)

50Ω to VCC -2V (output requires termination)

5ps (1-sigma) max, accumulated jitter in 20,000 adjacent periods

1ps (1-sigma) max, phase jitter in 12kHz to 40MHz Freq. Band

30ps peak-to-peak max total jitter in 100,000 periods

VCC -1.475V or open

VCC -1.165V (Q output disabled to a fixed level of Logic 0)

Mechanical:

Shock:

Solderability:

Terminal Strength:

Vibration:

Resistance to Soldering Heat:

Solvent Resistance:

MIL-STD-883, Method 2002, Condition B

MIL-STD-883, Method 2003

MIL-STD-883, Method 2004, Condition D

MIL-STD-883, Method 2007, Condition A

MIL-STD-202, Method 210, Condition I or J

MIL-STD-202, Method 215

Environmental:

Thermal Shock:

Moisture Resistance:

MIL-STD-883, Method 1011, Condition A

MIL-STD-833, Method 1004

Part Numbering Guide

+3.3V PECL

SEL39 3 0 B - 155.5200 (T)

Series

SaRonix, LVPECL FR4SO20

Frequency

SaRonix

www.pericom.com/saronix

Packing Method

(T) = Tape & Reel

full reel increments only

Blank = Bulk

Output Enable/Disable (n/a for SEL3930):

Stability

AA = ±20 ppm, 0 to +70°C

A = ±25 ppm, 0 to +70°C

B = ±50 ppm, 0 to +70°C

E = ±50 ppm, -40 to +85°C

F = ±100 ppm, -40 to +85°C

0 = OUT VEE OUT VCC

1 = EN VEE OUT VCC

2 = OUT EN VEE OUT N/C VCC

3 = OUT N/C VEE OUT EN VCC

4 = EN N/C VEE OUT OUT VCC

5 = N/C EN VEE OUT OUT VCC

Connection Options

An FR4 SMD, LVPECL crystal oscilla-

tor for 3.3Volt operation. This oscillator

features a wide array of pad connection

options (see part number builder), tight

stability and excellent jitter performance. ≤

≥

Crystal Clock Oscillator

Technical Data SEL393x Series

DS-227 REV B

SaRonix

3.3V, PECL, FR4

All specifications are subject to change without notice.

SaRonix

www.pericom.com/saronix

SARONIX

Package Details

Recommended Land Pattern

14.0

.551

9.0

.354

5.7

.224

1.39

.055

1.78

.070

5.08

.200

5.0

.196

Pad Functions: See Part Numbering Guide for pad

functions. Configurations include either four (4) or six

(6) pads.

Marking Format

Pad 1

Country of Origin

Week of Mfg.

Year of Mfg.

Denotes

Pad 1

Exact location of items may vary

1.65

065

5.08

.200

7.2

.284

2.54

.100

Scale: None (Dimensions in )

inches

External high frequency power supply decoupling required.

1.78

.070

Pad 3

Pad 2

Pad 6

Pad 5

Pad 4

654

YY WW X

FREQUENCY MHz

PART NUMBER

Output Waveform

Complementary

Logic 1 VOH Min

20%

80%

Logic 0 VOL Max

Outputs

Crossing

SYMMETRY

45% Min, 55% Max

Reflow 235 ±5°C

Preheat 183 ±10°C

250

4°C/sec max

Temperature – °C

4°C/sec max

5 sec min

10 sec max

1 – 2 minutesTime

Cooling

150

200

Solder Reflow Guide

POSITIVE SUPPLY (LVPECL)

Test Circuit*

+2V

Ω

INTERNAL SCOPE

TERMINATION TO GND

Ω

INTERNAL SCOPE

TERMINATION TO GND

-1.3V

N/C

(no connect SEL3934)

OSCILLATOR

ENABLE/DISABLE

(SEL3934)

*Test circuit shown for SEL3934 configuration only. Test circuits for other configurations as per

specified pad connections.