CY7B952
SST鈩?SONET/SDH Serial Transceiver
Features
鈥?OC-3 Compliant with Bellcore and CCITT (ITU) specifi-
cations on:
鈥?Jitter Generation (<0.01 UI)
鈥?Jitter Transfer (<130 kHz)
鈥?Jitter Tolerance
鈥?SONET/SDH and ATM Compliant
鈥?Compatible with IGT WAC013, IGT WAC413, and
PMC-Sierra PM5343
鈥?Clock and data recovery from 51.84- or 155.52-MHz
datastream
鈥?155.52-MHz clock multiplication from 19.44-MHz source
鈥?51.84-MHz clock multiplication from 6.48-MHz source
鈥?/div>
鹵1%
frequency agility
鈥?Line Receiver Inputs: No external buffering required
鈥?Differential output buffering
鈥?100K ECL compatible I/O
鈥?No output clock 鈥渄rift鈥?without data transitions
鈥?Link Status Indication
鈥?Loop-back testing
鈥?Single +5V supply
鈥?24-pin SOIC
鈥?Compatible with fiber-optic modules, coaxial cable, and
twisted pair media
鈥?Power-down options to minimize power or crosstalk
鈥?Low operating current: <70 mA
鈥?/div>
0.8碌 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.
Logic Block Diagram
FC+
FC鈥?/div>
RIN+
RIN鈥?/div>
LOOP(t)
MODE
Pin Configuration
SOIC
Top View
FC+
FC鈥?/div>
RIN+
RIN鈥?/div>
MODE
V
CC
CD
LOOP
REFCLK鈥?/div>
REFCLK+
TOUT鈥?/div>
TOUT+
1
2
3
4
5
6
7
8
9
10
11
12
CY7B952
24
23
22
21
20
19
18
17
16
15
14
13
PLL
RCLK+
RCLK鈥?/div>
RSER+
RSER鈥?/div>
LFI(t)
RECEIVE
TRANSMIT
CD
TOUT+
TOUT鈥?/div>
PLL
x8
TSER+
TSER鈥?/div>
TCLK+
TCLK鈥?/div>
RCLK鈥?/div>
RCLK+
RSER鈥?/div>
RSER+
LFI
V
CC
V
SS
V
CC
TCLK鈥?/div>
TCLK+
TSER+
TSER鈥?/div>
REFCLK+
REFCLK鈥?/div>
SST
Clock/Data
Recovery
Line
Driver
Cypress
CY7B952
S->P
SONET/SDH
Transport
Overhead
Transceiver
SONET/SDH
Path
Overhead
Transceiver
PMC-Sierra
PM5344SPTX
P->S
PMC-Sierra
PM5343STXC
Figure 1. SONET/SDH Overhead Processing Application
Cypress Semiconductor Corporation
Document #: 38-02018 Rev. *B
鈥?/div>
3901 North First Street
鈥?/div>
San Jose
,
CA 95134
鈥?/div>
408-943-2600
Revised April 27, 2004
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Industrial Control IC
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1Kx8 Dual-Port Static RAM
CYPRESS
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1Kx8 Dual-Port Static RAM
CYPRESS [C...
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英文版
4K x 8 Dual-Port Static RAMs and 4K x 8 Dual-Port Static RAM...
CYPRESS
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英文版
4K x 8 Dual-Port Static RAMs and 4K x 8 Dual-Port Static RAM...
CYPRESS [C...
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英文版
4K x 8 Dual-Port Static RAMs and 4K x 8 Dual-Port Static RAM...
CYPRESS
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英文版
4K x 8 Dual-Port Static RAMs and 4K x 8 Dual-Port Static RAM...
CYPRESS [C...
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英文版
4K x 8 Dual-Port Static RAMs and 4K x 8 Dual-Port Static RAM...
CYPRESS
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英文版
4K x 8 Dual-Port Static RAMs and 4K x 8 Dual-Port Static RAM...
CYPRESS [C...
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英文版
4K x8/9 Dual-Port Static RAM with Sem, Int, Busy
CYPRESS
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英文版
4K x8/9 Dual-Port Static RAM with Sem, Int, Busy
CYPRESS [C...
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英文版
4K x8/9 Dual-Port Static RAM with Sem, Int, Busy
CYPRESS
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英文版
4K x8/9 Dual-Port Static RAM with Sem, Int, Busy
CYPRESS [C...
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