8SLVD1212ANLGI8 datasheet, PDF

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8SLVD1212ANLGI8: DescriptionClock Driver and Distribution; Categorysemiconductor The clock and timer IC The clock drive and distribution; File Size653KB，20 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/; Environmental Compliance

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8SLVD1212ANLGI8 Overview

Clock Driver and Distribution

8SLVD1212ANLGI8 Parametric

Parameter Name	Attribute value
Maker	IDT (Integrated Device Technology, Inc.)
Product Category	Clock driver and distribution
series	8SLVD1212
multiplication/division factors	1:12
Output type	LVDS
Supply voltage - max.	2.625 V
Supply voltage - min.	2.375 V
Minimum operating temperature	- 40 C
Maximum operating temperature	+ 85 C
Installation style	SMD/SMT
Package/box	VFQFN-40
Encapsulation	Reel
input type	CML, LVDS, LVPECL
product	Clock Drivers
type	Fanout Buffer
Working power current	184 mA
Factory packaging quantity	5000

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1:12, LVDS Output Fanout Buffer

8SLVD1212

Datasheet

Description

The 8SLVD1212 is a high-performance differential LVDS fanout

buffer. The device is designed for the fanout of high-frequency,

very low additive phase-noise clock and data signals.

The 8SLVD1212 is characterized to operate from a 2.5V power

supply. Guaranteed output-to-output and part-to-part skew

characteristics make the device ideal for clock distribution

applications that demand well-defined performance and

repeatability.

Two selectable differential inputs and twelve low skew outputs are

available. The integrated bias voltage reference enables easy

interfacing of single-ended signals to the device inputs.

The 8SLVD1212 is optimized for low power consumption and low

additive phase noise.

Features

▪

Twelve low skew, low additive jitter LVDS output pairs

▪

Two selectable, differential clock input pairs

▪

Differential PCLK, nPCLK pairs can accept the following

differential input levels: LVDS, LVPECL, CML

▪

Maximum input clock frequency: 2GHz (maximum)

▪

LVCMOS/LVTTL interface levels for the control input select

pins

▪

Output skew: 40ps (maximum)

▪

Propagation delay: 310ps (typical)

▪

Low additive phase jitter, RMS; f

REF

= 156.25MHz,

10kHz to 20MHz: 77fs (typical)

▪

Device current consumption (I

): 213mA (maximum)

▪

2.5V supply voltage

▪

Lead-free (RoHS 6), 6



6 mm, 40-VFQFN packaging

▪

-40°C to 85°C ambient operating temperature

Block Diagram

8SLVD1212

REF0

Voltage

Reference

nQ0

nQ1

nQ2

nQ3

GND

REF

PCLK0

nPCLK0

nQ4

nQ5

nQ6

PCLK1

nPCLK1

GND

nQ7

nQ8

nQ9

Q10

nQ10

Q11

nQ11

SEL

GND

REF1

Voltage

Reference

December 22, 2017

8SLVD1212 Datasheet

Contents

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Pin Assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Pin Descriptions and Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Function Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

AC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Additive Phase Jitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Parameter Measurement Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Recommendations for Unused Input and Output Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Wiring the Differential Input to Accept Single-Ended Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.5V LVPECL Clock Input Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

LVDS Driver Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

VFQFN EPAD Thermal Release Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Power Considerations (8SLVD1212A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Reliability Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Transistor Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Package Outline Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Marking Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

December 22, 2017

8SLVD1212ANLGI8 Related Products

	8SLVD1212ANLGI8	8SLVD1212ANLGI
Description	Clock Driver and Distribution	Clock Driver and Distribution
Maker	IDT (Integrated Device Technology, Inc.)	IDT (Integrated Device Technology, Inc.)
Product Category	Clock driver and distribution	Clock driver and distribution
series	8SLVD1212	8SLVD1212
multiplication/division factors	1:12	1:12
Output type	LVDS	LVDS
Supply voltage - max.	2.625 V	2.625 V
Supply voltage - min.	2.375 V	2.375 V
Minimum operating temperature	- 40 C	- 40 C
Maximum operating temperature	+ 85 C	+ 85 C
Installation style	SMD/SMT	SMD/SMT
Package/box	VFQFN-40	VFQFN-40
Encapsulation	Reel	Tray
input type	CML, LVDS, LVPECL	CML, LVDS, LVPECL
product	Clock Drivers	Clock Drivers
type	Fanout Buffer	Fanout Buffer
Working power current	184 mA	184 mA
Factory packaging quantity	5000	490

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