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參數(shù)資料
| 型號： | CY7B951 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Local Area Network ATM Transceiver |
| 中文描述： | 局域網(wǎng)自動柜員機收發(fā)器 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 150K |
| 代理商： | CY7B951 |
Local Area Network ATM Transceiver
CY7B951
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
July 1993 – Revised October 1995
408-943-2600
1CY7B951
Features
SONET/SDH and ATM Compatible
Compatible with PMC-Sierra PM5345 SUNI
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 +5V supply
24-pin SOIC
Compatible with fiber-optic modules, coaxial cable, and
twisted pair media
No external PLL components
Power-down options to minimize power or crosstalk
Low operating current: <65 mA
0.8
μ
BiCMOS
Functional Description
The Local Area Network ATM Transceiver is used in SO-
NET/SDH and ATM applications to recover clock and data in-
formation from a 155.52-MHz or 51.84-MHz NRZ or NRZI se-
rial data stream and to provide differential data buffering for the
Transmit side of the system.
SUNI is a trademark of PMC-Sierra, Incorporated.
PLL
x8
TCLK-
TCLK+
REFCLK+
TRANSMIT
MODE
LFI(t)
ROUT-
ROUT+
TSER-
TSER+
RSER-
RSER+
RCLK-
RCLK+
LOOP(t)
TOUT-
TOUT+
RECEIVE
RIN-
RIN+
REFCLK-
PLL
CD
TCLK+
TSER+
TSER-
REFCLK+
TOUT-
TOUT+
ROUT+
ROUT-
RIN+
RIN-
MODE
V
CC
CD
LOOP
REFCLK-
RCLK-
RCLK+
RSER-
RSER+
LFI
V
CC
V
SS
V
CC
TCLK-
7B951-1
7B951-2
SOIC
Top View
1
2
3
4
5
6
7
8
9
10
11
12
15
16
17
18
19
20
24
23
22
21
13
14
CY7B951
Logic Block Diagram
Pin Configuration
Figure 1. SONET/SDH and ATM Interface
Fiber or Copper
Media Interface
ReceiveSerialData
BufferedTransmit
Data
Fiber or Copper
Media Interface
Byte Rate
Oscillator
RecoveredClock
RecoveredSerial
Data
Bit Rate
Clock
CarrierDetect
TransmitSerialData
LinkFaultIndication
Serial
to
Parallel
Conversion
and
Framing
Parallel
to
Serial
Conversion
SONET/
SDH
Overhead
Processing
ATM
Cell
Processing
ReceiveParallelData
ReceiveStartof Cell
ReadStrobe
TransmitParallelData
TransmitStartof Cell
WriteStrobe
Packet
Reassembly
or
ATMSwitch
Core
Packet
Segmentation
or
ATMSwitch
Core
PMC-Sierra PM5345SUNI
IgTWAC-013
BrooktreeBT8222
CY7B951
SONET/
SDH
Serial
Transceiver
7B951-3
相關PDF資料 |
PDF描述 |
|---|---|
| CY7B951-SC | Local Area Network ATM Transceiver |
| CY7B951-SI | Local Area Network ATM Transceiver |
| CY7B952 | SSTTM SONET/SDH Serial Transceiver |
| CY7B952-SC | SSTTM SONET/SDH Serial Transceiver |
| CY7B991-2JCT | Programmable Skew Clock Buffer |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY7B951_06 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Local Area Network ATM Transceiver |
| CY7B951_11 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Local Area Network ATM Transceiver |
| CY7B9514V-AC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7B951SC | 制造商:Cypress Semiconductor 功能描述: |
| CY7B951-SC | 制造商:Cypress Semiconductor 功能描述:ATM Transceiver 1TX 1RX 24-Pin SOIC |
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