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參數(shù)資料
| 型號(hào)： | XRT79L73IB |
| 廠(chǎng)商： | EXAR CORP |
| 元件分類(lèi)： | 數(shù)字傳輸電路 |
| 英文描述： | 3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC |
| 中文描述： | ATM NETWORK INTERFACE, PBGA456 |
| 封裝： | 27 X 27 MM, 1 MM PITCH, PLASTIC, BGA-456 |
| 文件頁(yè)數(shù)： | 2/71頁(yè) |
| 文件大?。?/td> | 495K |
| 代理商： | XRT79L73IB |
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XRT79L73
REV. P1.0.0
PRELIMINARY
3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
t
2
Extraction of ATM cells from PLCP frame or directly
from E3 or DS3 frame
Termination of PLCP frame
Supports payload cell de-scrambling
T
RANSMIT
P
ACKET
P
ROCESSING
Inserts PPP packets into data stream
Maps HDLC data stream directly into DS3 or E3
frame
Extracts in-band messaging packets
Supports
CRC-16/32,
sequence generation
R
ECEIVE
P
ACKET
P
ROCESSING
Extracts HDLC data stream from DS3 or E3 frame
Inserts in-band messaging packets
Detects and removes HDLC flags
U
TOPIA
/ S
YSTEM
I
NTERFACE
HDLC
flag
and
Idle
8/16 bit UTOPIA Level I and II and PPP Multi-PHY
Interface operating at 25, 33 or 50 MHz.
Compliant with ATM Forum UTOPIA II interface
Programmable FIFO size for both Transmit and
Receive direction
Compliant to POS-PHY Level 2 interface
S
ERIAL
I
NTERFACE
Serial clock and data interface for accessing DS3/
E3 framer
Serial clock and data interface for accessing cell/
packet processor
APPLICATIONS
Digital Access and Cross Connect Systems
3G Base Stations
DSLAMs
Digital, ATM, WAN and LAN Switches
PRODUCT ORDERING INFORMATION
F
IGURE
1. B
LOCK
D
IAGRAM OF THE
XRT79L73
Clock &
PData
PrRecov ery
Jitter
Attenuator
Rx DS3/
E3
Framer
PLCP &
Overhead
UTOPIA/
POS-PHY
Interface
HDLC
Controller
2
Receiver Block
T
T
T
T
T
JTAG Test Port
AGC/
Equalizer
RTIP
RRING
Transmitter Block
ATM Cell
Processor
or PPP
Processor
UTOPIA/
POS-PHY
Interface
ATM Cell
Processor
or PPP
Processor
HDLC
Controller
PLCP &
Overhead
Tx DS3/
E3
Framer
Jitter
Attenuator
Timing
Control
Pulse
Shaper
TTIP
TRING
Microprocessor Interface
P
I
B
A
A
C
W
R
D
T
D
R
12.288
MHz
ClkIN
Clock
Synthesizer
E3CLK
DS3CLK
Receive
Utopia
POS-PHY
Interface
Transmit
Utopia
POS-PHY
Interface
Channel 1 of 3
P
RODUCT
N
UMBER
P
ACKAGE
T
YPE
O
PERATING
T
EMPERATURE
R
ANGE
XRT79L73IB
456 Lead PBGA
-40°C to +85°C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT79L74 | 4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC |
| XRT79L74IB | 4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC |
| XRT8000ID | Clock Synchronizer/Adapter for Communications |
| XRT8000 | Clock Synchronizer/Adapter for Communications(用于通訊的時(shí)鐘同步設(shè)備/調(diào)整器) |
| XRT8001 | WAN Clock for T1 and E1 Systems |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT79L74 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC |
| XRT79L74IB | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC |
| XRT8000 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:Clock Synchronizer/Adapter for Communications |
| XRT8000_06 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:Clock Synchronizer/Adapter for Communications |
| XRT8000D | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:CLOCK SYNCHRONIZER/ADAPTER FOR COMMUNICATIONS |
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