SY69952ZC Micrel Inc, SY69952ZC Datasheet

IC TXRX CLOCK RECOVERY 28-SOIC

SY69952ZC

Manufacturer Part Number
SY69952ZC
Description
IC TXRX CLOCK RECOVERY 28-SOIC
Manufacturer
Micrel Inc
Type
Clock and Data Recovery (CDR)r
Datasheet

Specifications of SY69952ZC

Input
PECL, TTL
Output
PECL, TTL
Frequency - Max
155MHz
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-SOIC (7.5mm Width)
Frequency-max
155MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SY69952ZC
Quantity:
11
Part Number:
SY69952ZC
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Micrel, Inc.
ASSET is a trademark of Micrel, Inc.
M9999-062805
hbwhelp@micrel.com or (408) 955-1690
FUNCTIONAL BLOCK DIAGRAM
FEATURES
A complete ATM compatible single chip Transmitter
and Receiver
Seamless operation with PMC-Sierra PM5345, VLSI
VNS67200, IgT WAC-013-B/WAC-413-A and NEC
µPD98402 UNI Processors
Supports clock and data recovery from 51.84Mbps
or 155.52Mbps NRZ or NRZI data stream
155.52MHz clock multiplication from 19.44MHz
source or 51.84MHz clock multiplication from
6.48MHz source
Line Receiver Inputs: No external buffering needed
Differential output buffering
Link Status Indication
Loop-back testing
100K ECL compatible I/O
Single +5 volt power supply
Replacement for Cypress CY7B952
The SY69952 complies with Bellcore, ITU/CCITT and
ANSI specifications
Available in 28-pin SOIC package
ROUT+
ROUT-
TOUT+
TOUT-
RIN+
RIN-
CD
OC-3/STS-3
CLOCK RECOVERING
TRANSCEIVER
LOOP
REFCLK+
REFCLK-
1
and receiver functions designed to provide clock recovery
and generation for either 51.84Mbit/s OC/STS-1 or
155.52Mbps OC/STS-3 SONET/SDH (SY69952) and ATM
applications.
phase-locked loop (PLL) allowing use of 19.44MHz
reference for 155.52MHz generation or a 6.48MHz
reference for 51.84MHz generation. Clock recovery is
performed by synchronizing the on-chip VCO directly to
the incoming data stream.
Bellcore, ITU/CCITT and ANSI standards. Low jitter is
ensured by Micrel's advanced PLL technology and
positive ECL (PECL) I/O.
ASSET™ bipolar technology result in ultra-fast
performance with low noise and low power dissipation.
PLL2+
PLL2-
PLL1+
PLL1-
DESCRIPTION
PLL
PLL
Micrel's SY69952 contains fully integrated transmitter
On-chip clock generation is performed by a low-jitter
The SY69952 meets the jitter compliance criteria of
Micre's circuit design techniques coupled with
x8
MODE
RCLK+
RCLK-
RSER+
RSER-
LFI
TSER+
TSER-
TCLK+
TCLK-
Rev.: N
Issue Date: June 2005
SY69952
Amendment: /0
SY69952

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SY69952ZC Summary of contents

Page 1

Micrel, Inc. FEATURES A complete ATM compatible single chip Transmitter and Receiver Seamless operation with PMC-Sierra PM5345, VLSI VNS67200, IgT WAC-013-B/WAC-413-A and NEC µPD98402 UNI Processors Supports clock and data recovery from 51.84Mbps or 155.52Mbps NRZ or NRZI data stream ...

Page 2

... Ordering Information Package Operating Part Number Type Range SY69952ZC Z28-1 Commercial SY69952ZH Z28-1 Commercial Notes: 1. Contact factory for die availability. Dice are guaranteed SY69952 Package Lead Marking Finish SY69952ZC Sn-Pb SY69952ZH with Pb-Free Pb-Free bar-line indicator NiPdAu = 25°C, DC electricals only. A ...

Page 3

Micrel, Inc. PIN DESCRIPTIONS INPUTS RIN± – Differential PECL Input Receive Input. These built-in line receiver inputs are connected to the differential Receive serial input data stream. An internal Receive PLL recovers the embedded clock (RCLK±) and data (RSER±) information. ...

Page 4

Micrel, Inc. PIN DESCRIPTIONS MODE – 3 Level Input Frequency Mode Select. This three-level input selects the frequency range for the clock and data recovery receive PLL and the frequency multiplier transmit PLL. When the input is held PECL HIGH ...

Page 5

Micrel, Inc. DESCRIPTION The Transmit PECL differential input pair (TSER±) is buffered by the SY69952 yielding the differential data outputs (TOUT±). These outputs can be used to directly drive transmission media such as Printed Circuit Board (PCB) traces, optical drivers, ...

Page 6

Micrel, Inc. ABSOLUTE MAXIMUM RATINGS Symbol Power Supply (GND, TGND, AGND = 0V) CC Input Voltage (GND, TGND, AGND = 0V Output Current OUT T Ambient Temperature Range A Tstore Storage ...

Page 7

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS V = +5V ±5 GND = 0V Symbol Parameter f Reference Frequency REF (1) f Bit Time B (2) t Output Duty Cycle ODC (TCLK±, RCLK±) t ECL Output Rise/Fall ...

Page 8

Micrel, Inc. 28 LEAD SOIC .300" WIDE (Z28-1) MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no ...

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