參數(shù)資料
型號: AK2548
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 7 channel E1 Transceiver
中文描述: 7頻道E1收發(fā)器
文件頁數(shù): 1/30頁
文件大?。?/td> 158K
代理商: AK2548
ASAHI K ASEI [AK2548]
C0028-E-00 1999/9
AK2548
7 channel E1 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 Microprocessor Interface
Single 3.3V±5% Operation
Low Power Consumption
Pin-to-pin compatible with AK2546(7 channel T1 transceiver) except serial interface
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
MC L K
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 IN 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 POS 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 ING 2-7
R E S E T
L
R
B T S
I N T
LOS
C L K S E L
P/S
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