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): 2/30頁
文件大?。?/td> 158K
代理商: AK2548
ASAHI K ASEI [AK2548]
C0028-E-00 1999/9
GENERAL DESCRIPTION
The AK2548 is the 7 channel E1 transceiver for a SDH/SONET MUX, M13 MUX, etc.
It includes seven independent transmitters, clock and data recovery, LOS detector, control circuit
in one LQFP-144 package which saves space, power consumption and the board design time.
Internally generated transmit pulse provides the appropriate pulse shape.
PIN ASSIGNMENTS
TCLK7
TPOS7
TNEG7
RCLK7
RPOS7
RNEG7
TCLK6
TPOS6
TNEG6
RCLK6
RPOS6
RNEG6
IOVDD2
IOVSS2
TAVDD2
TAVSS2
TCLK5
TPOS5
TNEG5
RCLK5
RPOS5
RNEG5
DAVSS2
DVSS2
DVDD2
LOS7
LOS6
LOS5
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7/SDO
TCLK1
TPOS1
TNEG1
RCLK1
RPOS1
RNEG1
TCLK2
TPOS2
TNEG2
RCLK2
RPOS2
RNEG2
IOVDD1
IOVSS1
TAVDD1
TAVSS1
TCLK3
TPOS3
TNEG3
RCLK3
RPOS3
RNEG3
DAVSS1
DVSS1
DVDD1
TCLK4
TPOS4
TNEG4
RCLK4
RPOS4
RNEG4
LOS1
LOS2
LOS3
LOS4
RAVDD1
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
3
3
3
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
7
7
7
A
T
T
T
T
A
T
T
T
T
A
T
T
T
T
A
T
T
T
T
A
T
T
T
T
A
T
T
T
T
A
T
T
T
T
A
R
A
D
C
I
P
M
P
R
R
R
R
R
B
R
R
T
R
R
T
B
B
B
T
R
R
P
R
R
C
R
R
T
R
R
R
(TOP VIEW)
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