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DS20005612A-page 17

DSC400

PRODUCT IDENTIFICATION SYSTEM

To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office

.

1.0

FACTORY CONFIGURATION CODE ASSIGNMENT OF QXXXX

The DSC400 is meant for customers to define their own frequency requirements at the four available outputs. The Qxxxx

number identifies these specific customer requirements and is assigned by the factory.

TABLE 1-1:

EXAMPLE OF HOW FSB1 & FSB2 ARE APPLIED & THE QXXXX ASSIGNMENT

Bank1

Outputs

FSB1

Qxxxx Number

1 (default)

0

Q0001

CLK0

125 MHz

150 MHz

CLK3

50 MHz

25 MHz

Bank2

Outputs

FSB2

1 (default)

0

CLK1

156.25 MHz

100 MHz

CLK2

156.25 MHz

100 MHz

Examples:

a)

DSC400-2143QxxxxKE1T:

Configurable Four Output, Low Jitter Crystal-less

Clock Generator; LVPECL CLK3; LVCMOS CLK2;

HCSL CLK1; LVDS CLK0; Frequency Code; 20-Pin

QFN; –20°C to +70°C Temp. Range; ±50 ppm Stabil-

ity; Tape & Reel

b)

DSC400-4132QxxxxKI2T:

Configurable Four Output, Low Jitter Crystal-less

Clock Generator; HCSL CLK3; LVCMOS CLK2;

LVDS CLK1; LVPECL CLK0; Frequency Code; 20-

Pin QFN; –40°C to +85°C Temp. Range; ±25 ppm

Stability; Tape & Reel

c)

DSC400-0202QxxxxKE2T:

Configurable Four Output, Low Jitter Crystal-less

Clock Generator; OFF CLK3; LVPECL CLK2; OFF

CLK1; LVPECL CLK0; Frequency Code; 20-Pin QFN;

–20°C to +70°C Temp. Range; ±25 ppm Stability;

Tape & Reel

d)

DSC400-1111QxxxxKI1T:

Configurable Four Output, Low Jitter Crystal-less

Clock Generator; LVCMOS CLK3 through CLK0;

Frequency Code; 20-Pin QFN; –40°C to +85°C Temp.

Range; ±50 ppm Stability; Tape & Reel

PART NO.

X

X

Package

Stability

Device

Device:

DSC400:

Configurable Four Output, Low Jitter

Crystal-less Clock Generator

CLK3 Output

Format:

0=

OFF

1=

LVCMOS

2

=

LVPECL

3=

LVDS

4

=

HCSL

CLK2 Output

Format:

1=

LVCMOS

2

=

LVPECL

3=

LVDS

4=

HCSL

CLK1 Output

Format:

0=

OFF

1=

LVCMOS

2

=

LVPECL

3=

LVDS

4

=

HCSL

CLK0 Output

Format:

1=

LVCMOS

2

=

LVPECL

3=

LVDS

4

=

HCSL

Frequency Code:

Qxxxx =

This code is assigned by the factory. See the

table in this section for more information.

Package:

K=

20-Pin QFN

Temperature

Range:

E

=

–20°C to +70°C

I

=

–40°C to +85°C

Stability:

1=

±50 ppm

2=

±25 ppm

Packing:

T=

Tape & Reel

X

CLK3

X

Temp.

Qxxxx

Freq.

Output

Format

X

CLK2

Output

Format

X

CLK1

Output

Format

X

CLK0

Output

Format

Code

Range

X

Packing