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T1/E1/OC3 WAN PLL WITH

SINGLE REFERENCE INPUT

FEATURES

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

4 Enhanced and Stratum 4 timing for DS1 interfaces

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

for E1 interface

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

MHz

鈥?Provides C1.5o,

C3o,

C2o,

C4o,

C6o, C8o,

C16o,

C19o and

C32o

output clock signals

鈥?Provides 7 types of 8 kHz framing pulses:

F0o,

F8o,

F16o,

F19o,

F32o,

RSP and TSP

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

controlled by the reference input Fref

鈥?/div>

IDT82V3011

Holdover frequency accuracy of 0.025 ppm

Phase slope of 5 ns per 125 碌s

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

V

DD

V

SS

V

DD

V

SS

V

DD

V

SS

V

DD

V

SS

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

1

錚?003

Integrated Device Technology, Inc.

OCTOBER 22, 2003

DSC-6237/3

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