參數(shù)資料
型號： T7698
廠商： Lineage Power
英文描述： Quad T1/E1 Line Interface and Octal T1/E1 Monitor(四T1/E1線接口和八T1/E1監(jiān)控器)
中文描述： 四T1/E1線路接口和八路的T1/E1監(jiān)視器（四個T1/E1線接口和八T1/E1的監(jiān)控器）
文件頁數(shù)： 11/112頁
文件大?。?/td> 1359K
代理商： T7698
Data Sheet
January 1999
T7698 Quad T1/E1 Line Interface and Octal T1/E1 Monitor
11
Lucent Technologies Inc.
Pin Information
(continued)
Table 1. Pin Descriptions
*
I
u
indicates an internal pull-up; I
d
indicates an internal pull-down.
Pin
Symbol
Type
*
I
d
Name/Description
1
CLKS
XCLK Select.
This pin selects either a 16x rate clock for XCLK (CLKS = 0)
or a primary line rate clock for XCLK (CLKS = 1).
XCLK Mode.
This pin must be set appropriately when using a primary line
rate clock for XCLK.
CEPT:
CLKM = 1.
DS1:
CLKM = 0.
Ground Reference for Line Drivers.
51
CLKM
I
d
2, 6
46, 50
52, 56
96, 100
3
49
53
99
4
48
54
98
5
47
55
97
7
45
57
95
8
44
58
94
9
43
59
93
10
42
60
92
GNDX1
GNDX2
GNDX3
GNDX4
TTIP1
TTIP2
TTIP3
TTIP4
V
DD
X1
V
DD
X2
V
DD
X3
V
DD
X4
TRING1
TRING2
TRING3
TRING4
V
DDA
1
V
DDA
2
V
DDA
3
V
DDA
4
RTIP1
RTIP2
RTIP3
RTIP4
RRING1
RRING2
RRING3
RRING4
GND
A
1
GND
A
2
GND
A
3
GND
A
4
P
O
Transmit Bipolar Tip.
Positive bipolar transmit data to the analog line
interface.
P
Power Supply for Line Drivers.
The T7698 device requires a 5 V ± 5%
power supply on these pins.
O
Transmit Bipolar Ring.
Negative bipolar transmit data to the analog line
interface.
P
Power Supply for Analog Circuitry.
The T7698 device requires a 5 V ±
5% power supply on these pins.
I
Receive Bipolar Tip.
Positive bipolar receive data from the analog line
interface.
I
Receive Bipolar Ring.
Negative bipolar receive data from the analog line
interface.
P
Ground Reference for Analog Circuitry.
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