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參數(shù)資料
| 型號(hào)： | LULC8583DEY-D |
| 英文描述： | Analog Switch |
| 中文描述： | 模擬開關(guān) |
| 文件頁(yè)數(shù)： | 2/4頁(yè) |
| 文件大?。?/td> | 99K |
| 代理商： | LULC8583DEY-D |
2
Product Brief
June 2002
L8583D Line Card Access Switch
Description
(continued)
To protect the L8583D from an overvoltage fault condi-
tion, use of a secondary protector is required. The
secondary protector must limit the voltage seen at the
tip/ring terminals to prevent the breakdown voltage of
the switches from being exceeded. To minimize stress
on the solid-state contacts, use of a foldback-type or
crowbar-type secondary protector is recommended.
Please contact your Agere account representative for a
choice of recommended secondary protection device.
With proper choice of secondary protection, a line card
using the L8583D will meet all relevant ITU-T, LSSGR,
FCC, or UL
protection requirements.
The L8583D operates off of a 5 V supply only. This
gives the device extremely low idle and active power
dissipation and allows use with virtually any range of
battery voltage. This makes the L8583D especially
appropriate for remote power applications such as
DAML or FOC/FITL or other TelcordiaTechnologies
GR 909 applications where power dissipation is partic-
ularly critical.
A battery voltage is also used by the L8583D, only as a
reference for the integrated protection circuit. The
L8583D will enter an all-off state upon loss of battery.
During power ringing, to turn on and maintain the on
state, the ring access switch and ring test switch will
draw a nominal 2 mA from the ring generator.
The L8583D device is packaged in a 20-pin plastic
SOG (L8583DEY) and a 28-pin plastic SOG
(L8583DAE). See Figure 1 for an illustration of the
20-pin package and Figure 2 for an illustration of the
28-pin package.
Pin Information
Figure 1. 20-Pin Plastic SOG
Figure 2. 28-Pin Plastic SOG
20
19
18
17
14
13
12
11
1
2
3
4
5
V
BAT
R
BAT
R
LINE
F
GND
T
LINE
V
DD
SW1
7
8
LATCH
R
RINGING
SW2
SW3
SW5
SW4
SW7
SW8
SW10
SW6
T
TESTin
T
BAT
T
RINGING
T
TESTout
IN
TESTin
R
TESTout
R
TESTin
9
10
IN
RING
D
GND
T
SD
IN
TESTout
NC
CONTROL
LOGIC
16
SW9
6
15
1670
28
27
26
25
24
23
22
20
19
18
17
21
16
15
1
2
3
4
5
6
7
8
V
BAT
R
BAT
R
LINE
NC
F
GND
NC
NC
T
LINE
V
DD
SW1
9
10
11
12
LATCH
R
RINGING
NC
SW2
SW3
SW5
SW4
SW7
SW9
SW8
SW10
SW6
T
TESTin
T
BAT
T
RINGING
T
TESTout
IN
TESTin
R
TESTout
R
TESTin
NC
13
14
IN
RING
D
GND
T
SD
IN
TESTout
NC
NC
NC
NC
CONTROL
LOGIC
12-2365 (F).d
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