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IDT82V3011: DescriptionT1/E1/OC3 WAN PLL WITH SINGLE REFERENCE INPUT; File Size353KB，30 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT82V3011 Overview

T1/E1/OC3 WAN PLL WITH SINGLE REFERENCE INPUT

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T1/E1/OC3 WAN PLL WITH

SINGLE REFERENCE INPUT

FEATURES

• Supports AT&T TR62411 and Telcordia GR-1244-CORE Stratum

4 Enhanced and Stratum 4 timing for DS1 interfaces

• Supports ETSI ETS 300 011, TBR 4, TBR 12 and TBR 13 timing

for E1 interface

• Selectable input reference: 8 kHz, 1.544 MHz, 2.048 MHz or 19.44

MHz

• Provides C1.5o,

C3o,

C2o,

C4o,

C6o, C8o,

C16o,

C19o and

C32o

output clock signals

• Provides 7 types of 8 kHz framing pulses:

F0o,

F8o,

F16o,

F19o,

F32o,

RSP and TSP

• Provides a C2/C1.5 output clock signal with the frequency

controlled by the reference input Fref

•

IDT82V3011

Holdover frequency accuracy of 0.025 ppm

Phase slope of 5 ns per 125 µs

Attenuates wander from 2.1 Hz

Fast lock mode

Provides Time Interval Error (TIE) correction

MTIE of 600 ns

JTAG boundary scan

Holdover status indication

Freerun status indication

Normal status indication

Lock status indication

Input reference quality indication

3.3 V operation with 5 V tolerant I/O

Package available: 56-pin SSOP

FUNCTIONAL BLOCK DIAGRAM

TDO

TDI

OSCi

TCLR

RST

C2/C1.5

TCK

TMS

TRST

FLOCK

JTAG

OSC

C32o

C19o

C19POS

C19NEG

C16o

C8o

C4o

C2o

TIE Control

Block

Virtual

Reference

DPLL

C3o

C1.5o

C6o

F0o

F8o

MON_out

Reference

Input Monitor

Invalid Input

Signal

Detection

F16o

F19o

F32o

RSP

TSP

LOCK

Fref

Feedback Signal

State Control Circuit

Input Frequency

Selection

TIE_en MODE_sel1 MODE_sel0 Normal Holdover Freerun

F_sel1 F_sel0

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

INDUSTRIAL TEMPERATURE RANGE

2003

Integrated Device Technology, Inc.

OCTOBER 22, 2003

DSC-6237/3

IDT82V3011 T1/E1/OC3 WAN PLL WITH SINGLE REFERENCE INPUT

INDUSTRIAL TEMPERATURE RANGE

TABLE OF CONTENTS

Pin Description...................................................................................................................................................................................................7

Functional Description ......................................................................................................................................................................................9

2.1 State Control Circuit ..................................................................................................................................................................................9

2.1.1 Normal Mode..............................................................................................................................................................................10

2.1.2 Fast Lock Mode..........................................................................................................................................................................10

2.1.3 Holdover Mode ...........................................................................................................................................................................10

2.1.4 Freerun Mode.............................................................................................................................................................................10

2.2 Frequency Select Circuit .........................................................................................................................................................................10

2.3 Reference Input Monitor ..........................................................................................................................................................................10

2.4 Invalid Input Signal Detection ..................................................................................................................................................................10

2.5 TIE Control Block.....................................................................................................................................................................................11

2.6 DPLL Block..............................................................................................................................................................................................13

2.6.1 Phase Detector (PHD)................................................................................................................................................................13

2.6.2 Limiter.........................................................................................................................................................................................13

2.6.3 Loop Filter ..................................................................................................................................................................................13

2.6.4 Fraction Block.............................................................................................................................................................................13

2.6.5 Digital Control Oscillator (DCO)..................................................................................................................................................13

2.6.6 Lock Indicator .............................................................................................................................................................................13

2.6.7 Output Interface..........................................................................................................................................................................13

2.7 OSC.........................................................................................................................................................................................................13

2.7.1 Clock Oscillator ..........................................................................................................................................................................13

2.8 JTAG .......................................................................................................................................................................................................14

2.9 Reset Circuit ............................................................................................................................................................................................14

Measures of Performance ...............................................................................................................................................................................15

3.1 Intrinsic Jitter ...........................................................................................................................................................................................15

3.2 Jitter Tolerance........................................................................................................................................................................................15

3.3 Jitter Transfer ..........................................................................................................................................................................................15

3.4 Frequency Accuracy................................................................................................................................................................................15

3.5 Holdover Accuracy ..................................................................................................................................................................................15

3.6 Capture Range ........................................................................................................................................................................................15

3.7 Lock Range .............................................................................................................................................................................................15

3.8 Phase Slope ............................................................................................................................................................................................15

3.9 Time Interval Error (TIE)..........................................................................................................................................................................15

3.10 Maximum Time Interval Error (MTIE) ......................................................................................................................................................15

3.11 Phase Continuity .....................................................................................................................................................................................16

3.12 Phase Lock Time.....................................................................................................................................................................................16

Absolute Maximum Ratings ............................................................................................................................................................................17

Recommended DC Operating Conditions .....................................................................................................................................................17

DC Electrical Characteristics ..........................................................................................................................................................................17

6.1 Single End Input/Output Port...................................................................................................................................................................17

6.2 Differential Output Port (LVDS) ...............................................................................................................................................................18

AC Electrical Characteristics ..........................................................................................................................................................................19

7.1 Performance ............................................................................................................................................................................................19

7.2 Intrinsic Jitter Unfiltered ...........................................................................................................................................................................20

7.3 C1.5o (1.544 MHz) Intrinsic Jitter Filtered ...............................................................................................................................................20

7.4 C2o (2.048 MHz) Intrinsic Jitter Filtered ..................................................................................................................................................20

7.5 C19o (19.44 MHz) Intrinsic Jitter Filtered ................................................................................................................................................20

7.6 8 kHz Input to 8 kHz Output Jitter Transfer .............................................................................................................................................21

7.7 1.544 MHz Input to 1.544 MHz Output Jitter Transfer.............................................................................................................................21

7.8 2.048 MHz Input to 2.048 MHz Output Jitter Transfer.............................................................................................................................21

7.9 19.44 MHz Input to 19.44 MHz Output Jitter Transfer.............................................................................................................................22

7.10 8 kHz Input Jitter Tolerance.....................................................................................................................................................................22

IDT82V3011 T1/E1/OC3 WAN PLL WITH SINGLE REFERENCE INPUT

INDUSTRIAL TEMPERATURE RANGE

LIST OF FIGURES

Figure - 1

Figure - 2

Figure - 3

Figure - 4

Figure - 5

Figure - 6

Figure - 7

Figure - 8

Figure - 9

Figure - 10

Figure - 11

Figure - 12

Figure - 13

Figure - 14

IDT82V3011 SSOP56 Package Pin Assignment ................................................................................................................................ 2

State Control Circuit ............................................................................................................................................................................ 9

State Control Diagram......................................................................................................................................................................... 9

TIE Control Block Diagram................................................................................................................................................................ 11

Reference Switch with TIE Control Block Enabled............................................................................................................................ 11

Reference Switch with TIE Control Block Disabled........................................................................................................................... 12

DPLL Block Diagram ......................................................................................................................................................................... 12

Clock Oscillator Circuit ...................................................................................................................................................................... 14

Power-Up Reset Circuit..................................................................................................................................................................... 14

Timing Parameter Measurement Voltage Levels .............................................................................................................................. 25

Input to Output Timing (Normal Mode).............................................................................................................................................. 27

Output Timing 1................................................................................................................................................................................. 28

Output Timing 2................................................................................................................................................................................. 29

Input Control Setup and Hold Timing ................................................................................................................................................ 29

IDT82V3011 Related Products

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