參數(shù)資料
型號(hào): ATTL7582BAE-TR
英文描述: Tip Ring Access Switch
中文描述: 提示環(huán)接入交換機(jī)
文件頁(yè)數(shù): 7/16頁(yè)
文件大?。?/td> 331K
代理商: ATTL7582BAE-TR
Lucent Technologies Inc.
7
Data Sheet
November 1999
L7582 Tip Ring Access Switch
Electrical Characteristics
(continued)
Table 9. Additional Electrical Characteristics
* Temperature shutdown flag (TSD) will be high during normal operation and low during temperature shutdown state.
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
μ
A
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
μ
A
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
μ
A
mA
V
BAT
Current
I
BAT
I
BAT
4
4
10
10
μ
A
μ
A
Temperature Shutdown Requirements*:
Shutdown Activation Temperature
Shutdown Circuit Hysteresis
110
10
125
150
25
°
C
°
C
Zero Cross Current Turn Off
The ring access switch (SW4) 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 4, once on, will
remain in the ON state (regardless of logic input) until a
current zero cross. Therefore, to ensure proper opera-
tion of switch 4, 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 4.
For a detailed explanation of the operation of switch 4,
please refer to the An Introduction to L758X Series of
Line Card Access SwitchesApplication Note.
Switching Behavior
When switching from the power ringing state to the
idle/talk state via simple logic level input control, the
L7582 is able to provide control with respect to the tim-
ing when the ringing access contacts are released rela-
tive to the state of the line break contacts.
Make-before-break operation occurs when the line
break switch contacts are closed (or made) before the
ringing access switch contact is opened (or broken).
Break-before-make operation occurs when the ringing
access contact is opened (broken) before the line
break switch contacts are closed (made).
Using the logic level input pins INring and INaccess,
either make-before-break or break-before-make opera-
tion of the L7582 is easily achieved. The logic
sequences for either mode of operation are given in
Table 10 and Table 11. See the Truth Table (Table 13)
for an explanation of the logic states.
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ATTL7582AAE-TR Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:19; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight
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