參數(shù)資料
型號: AK2548A
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 1/31頁
文件大?。?/td> 171K
代理商: AK2548A
ASAHI K ASEI [AK2548A]
MS0021-E-00 2000/7
AK 2548A
7channel E 1 Transceiver
FEATURE
- 7ch E1 transceiver
- J itter Tolerance: Compliant with ITU-T G.823, I.431
- Transmitter Pulse Shape: Compliant with ITU-T G.703
- Loss of Signal Detection: Compliant with ITU-T G.775
- Return loss: Compliant with ETS 300 166
- Selectable Signal Polarity
- Local/Remote Loopback
- Parallel/Serial/Hardware Interface
- Transmitter Tristate Capability
- Single 3.3V
±
5% Operation
- Low Power Consumption
- Pin-to-pin compatible with AK2546(7 channel T1 transceiver)
- Small Plastic Package 144pin LQFP
BLOCK DIAGRAM
7 Channel E1 Transceiver Block Diagram
R /W (W R )*
A D 7*-A D 0
TRANSCEIVER 1
TRANSCEIVER 2-7
RECOVER
CLKGEN
L OMC *
R T IP1
R R I N G 1
A S (A L E )
D S (R D )
C S *
S C L K *
S D I*
S D O*
R C L K 1
R P OS
R N E G 1
L OS 1
R T IP2-7
R R I N G 2-7
L OS 2-7
R C L K 2-7
R P OS 2-7
R N E G 2-7
T C L K 2-7
T P OS 2-7
T N E G 2-7
T E S T 1-4
SHAPER
T T IP1
T R IN G 1
T N E G 1
T P OS
T C L K 1
CONTROL
T T IP2-7
T R IN G 2-7
R E S E T
L
R
M OD E 2
I N T *
LOS
C L K S E L
M OD E 1
MC L K
PD *
E C *
*Dual mode pin
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