All Rights Reserved. No part of this document may be copied or reproduced in any form without the prior written permission of Micrel, Inc. Micrel Inc. may update or make changes

to the contents, products, programs or services described at any time without notice. This document neither states nor implies any kind of warranty, including, but not limited to

implied warranties of merchantability or fitness for a particular use.

Page 2 |

MK-Q-B-P-D-110410-03-2

DSC8103

Programmable Low-Jitter Precision LVDS Oscillator

DSC8123

Absolute Maximum Ratings

Item

Min

Max

Unit

Condition

Supply Voltage

-0.3

+4.0

V

Input Voltage

-0.3

V

Junction Temp

-

+150

°C

Storage Temp

-55

+150

°C

Soldering Temp

-

+260

°C

40sec max.

ESD

HBM

MM

CDM

-

4000

400

1500

V

Ordering Code

Note: 1000+ years of data retention on internal memory

Specifications

Notes:

1.

2.

3.

Output Waveform and Test Circuit figures below define the parameters.

4.

Output is enabled if pad is floated or not connected.

Parameter

Condition

Min.

Typ.

Max.

Unit

2.25

3.6

V

Supply Current

EN pin low – outputs are disabled

DSC8103

DSC8123

20

0.095

22

mA

Frequency Stability

Δf

Includes frequency variations due

to initial tolerance, temp. and

power supply voltage

±10

±25

±50

ppm

Aging

Δf

1 year @25°C

±5

ppm

T=25°C

5

ms

Input Logic Levels

Input logic high

Input logic low

-

-

V

5

ns

Output Enable Time

DSC8103

DSC8123

5

20

ms

ns

Pull-up resistor exist

40

kΩ

LVDS Outputs

Supply Current

29

32

mA

Output offset Voltage

R=100Ω Differential

1.125

1.4

V

Delta Offset Voltage

50

mV

Pk to Pk Output Swing

Single-Ended

350

mV

Rise Time

Fall Time

20% to 80%

200

ps

Frequency

Single Frequency

10

460

MHz

Output Duty Cycle

SYM

Differential

48

52

%

Period Jitter

2.5

Integrated Phase Noise

200kHz to 20MHz @156.25MHz

100kHz to 20MHz @156.25MHz

12kHz to 20MHz @156.25MHz

0.28

0.4

1.7

2

DSC81 0

Enable Modes

0: Enable/Standby

2: Enable/Disable

-

Packing

T: Tape & Reel

: Tube

3 C I 5

Package

A: 7.0x5.0mm

B: 5.0x3.2mm

C: 3.2x2.5mm

D: 2.5x2.0mm

Temp Range

E: -20 to 70

I: -40 to 85

Stability

1: ±50ppm

2: ±25ppm

5: ±10ppm

T