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CY7B952-SXCT

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
CY7B952
SST™ SONET/SDH Serial Transceiver
Cypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Document Number: 38-02018 Rev. *E Revised November 9, 2011
SST™ SO NET/SDH Se rial Transceiver
Features
■ OC-3 Compliant with Bellcore and CCITT (ITU) specifications
on:
❐ Jitter Generation (<0.01 UI)
❐ Jitter Transfer (<130 kHz)
❐ Jitter Tolerance
■ SONET/SDH and ATM Compliant
■ Compatible with IGT WAC013, IGT WAC413, and PMC-Sierra
PM5343
■ Clock and data recovery from 51.84- or 155.52-MHz
datastream
■ 155.52-MHz clock multiplication from 19.44-MHz source
■ 51.84-MHz clock multiplication from 6.48-MHz source
■ 1% frequency agility
■ Line Receiver Inputs: No external buffering required
■ Differential output buffering
■ 100K ECL compatible I/O
■ No output clock “drift” without data transitions
■ Link Status Indication
■ Loop-back testing
■ Single +5 V supply
■ 24-pin SOIC
■ Compatible with fiber-optic modules, coaxial cable, and twisted
pair media
■ Power-down options to minimize power or crosstalk
■ Low operating current: <70 mA
■ 0.8 BiCMOS
Functional Description
The SONET/SDH Serial Transceiver (SST) is used in
SONET/SDH and ATM applications to recover clock and data
information from a 155.52-MHz or 51.84-MHz NRZ or NRZI
serial data stream and to provide differential data buffering for
the Transmit side of the system.
PLL
TCLK–
TCLK+
REFCLK+
TRANSMIT
MODE
LFI
(t)
FC–
FC+
TSER–
TSER+
RSER–
RSER+
RCLK–
RCLK+
LOOP(t)
TOUT–
TOUT+
x8
RECEIVE
RIN–
RIN+
REFCLK–
PLL
CD
Logic Block Diagram
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CY7B952
Document Number: 38-02018 Rev. *E Page 2 of 16
Contents
Pin Configuration .............................................................3
SONET/SDH Overhead Processing Application ............ 3
Pin Descriptions ...............................................................4
Description ........................................................................ 5
Operating Frequency ...................................................5
Transmit Functions ......................................................5
Receive Functions .......................................................5
Carrier Detect (CD) and
Link Fault Indicator (LFI) Functions .................................... 5
Loop Back Testing .......................................................6
SONET-compliant Testing ...........................................6
Power Down Modes ....................................................6
Applications ......................................................................6
Maximum Ratings .............................................................7
Operating Range ............................................................... 7
Electrical Characteristics .................................................7
Capacitance ...................................................................... 9
AC Test Loads and Waveforms ....................................... 9
Switching Characteristics .............................................. 10
Switching Waveforms for
the CY7B952 SONET/SDH Serial Transceiver .............. 11
Ordering Information ...................................................... 12
Ordering Code Definitions ......................................... 12
Package Diagram ............................................................ 13
Acronyms ........................................................................ 14
Document Conventions ................................................. 14
Units of Measure ....................................................... 14
Document History Page ................................................. 15
Sales, Solutions, and Legal Information ...................... 16
Worldwide Sales and Design Support ....................... 16
Products .................................................................... 16
PSoC Solutions ......................................................... 16
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CY7B952
Document Number: 38-02018 Rev. *E Page 3 of 16
SONET/SDH Overhead Processing Application
Pin Configuration
Figure 1. 24-pin SOIC (Top View)
TCLK+
REFCLK+
FC+
FC–
RIN+
RIN–
MODE
V
CC
CD
LOOP
REFCLK–
TOUT–
TOUT+
RCLK–
RCLK+
RSER–
RSER+
LFI
V
CC
V
SS
V
CC
TCLK–
TSER+
TSER–
1
2
3
4
5
6
7
8
9
10
11
12
15
16
17
18
19
20
24
23
22
21
13
14
CY7B952
SST
Path
CY7B952
Cypress
Recovery
Clock/Data
Driver
Line
Transport
Overhead
Transceiver Transceiver
Overhead
SONET/SDH
PMC-Sierra
PM5343STXC
PMC-Sierra
PM5344SPTX
SONET/SDH
S->P
P->S
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P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

CY7B952-SXCT

Mfr. #:
Buy CY7B952-SXCT
Manufacturer:
Cypress Semiconductor
Description:
Telecom Interface ICs BELCORE SONETSDH COM ATM OC 1/3 Clk Rcvry
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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