參數(shù)資料
型號(hào)： L7583C
廠商： Lineage Power
英文描述： Line Card Access Switch(線卡存取開(kāi)關(guān))
中文描述： 線卡接入交換機(jī)（線卡存取開(kāi)關(guān)）
文件頁(yè)數(shù)： 9/20頁(yè)
文件大小： 404K
代理商： L7583C
Lucent Technologies Inc.
9
Data Sheet
November 1999
L7583A/B/C/D Line Card Access Switch
Electrical Characteristics
(continued)
Table 12. Additional Electrical Characteristics
* Temperature shutdown flag (T
SD
) will be high during normal operation and low during temperature shutdown state.
Zero Cross Current Turn Off
The ring access switch (SW8) is designed to turn off on the next zero current crossing after application of the
appropriate logic input control. This switch requires a current zero cross to turn off. Switch 8, once on, will remain
in the ON state (regardless of logic input) until a current zero cross. Therefore, to ensure proper operation of switch
8, this switch should be connected, via proper impedance, to the ringing generator or some other ac source. Do not
attempt to switch pure dc with switch 8. The ringing test access switch, SW6, also has similar characteristics to
switch 8 and should also only be used to switch signals with zero current crossings. For a detailed explanation of
the operation of switches 6 and 8, please refer to the An Introduction to L758X Series of Line Card Access
SwitchesApplication Note.
Parameter
Test Condition
Measure
Min
Typ
Max Unit
Digital Input Characteristics:
Input Low Voltage
Input High Voltage
Input Leakage Current (high)
—
—
—
—
—
3.5
—
—
—
—
1.5
—
1
V
V
μA
V
DD
= 5.5 V, V
BAT
= –75 V,
Vlogicin = 5 V
V
DD
= 5.5 V, V
BAT
= –75 V,
Vlogicin = 0 V
llogicin
Input Leakage Current (low)
llogicin
—
—
1
μA
Power Requirements:
Power Dissipation
V
DD
= 5 V, V
BAT
= –48 V,
idle/talk state or all OFF state,
ringing state or access state
V
DD
= 5 V,
idle/talk state or all OFF state,
ringing state or access state
V
BAT
= –48 V,
idle/talk state or all OFF state,
ringing state or access state
I
DD
, I
BAT
I
DD
—
—
3
6
5
10
mW
mW
V
DD
Current
I
DD
I
DD
—
—
560
0.750
900
1.9
μA
mA
V
BAT
Current
I
BAT
I
BAT
—
—
4
4
10
10
μA
μA
Digital Input Characteristics:
Input Low Voltage
Input High Voltage
Input Leakage Current (high)
—
—
—
—
—
3.5
—
—
—
—
1.5
—
1
V
V
μA
V
DD
= 5.5 V, V
BAT
= –58 V,
Vlogicin = 5 V
V
DD
= 5.5 V, V
BAT
= –58 V,
Vlogicin = 0 V
llogicin
Input Leakage Current (low)
llogicin
—
—
1
μA
Temperature Shutdown Requirements*:
Shutdown Activation Temperature
Shutdown Circuit Hysteresis
—
—
—
—
110
10
125
—
150
25
°C
°C
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