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| 型号： | CPC7593BA |
| 厂商： | CLARE INC |
| 元件分类： | 通信及网络 |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO28 |
| 封装： | ROHS COMPLIANT, SOIC-28 |
| 文件页数： | 9/24页 |
| 文件大小： | 691K |
| 代理商： | CPC7593BA |
CPC7593
R04
www.clare.com
17
2.3.4 Make-Before-Break Operation Logic Table (Ringing to Talk Transition)
2.3.5 Break-Before-Make Operation
Break-before-make operation of the CPC7593 can be
achieved using two different techniques.
The first method uses manipulation of the (INRINGING,
INTESTin, INTESTout) logic inputs as shown in
1.
At the end of the ringing state apply the all-off
state (1,0,1). This releases the ringing return
switch (SW3) while the ringing switch remains on
waiting for the next zero current event.
2.
Hold the all-off state for at least one-half of a
ringing cycle to assure that a zero crossing event
occurs and that the ringing switch (SW4) has
opened.
3.
Apply inputs for the next desired state. For the
talk state, the inputs would be (0,0,0).
Break-before-make operation occurs when the ringing
switch opens before the break switches SW1 and
SW2 close.
2.3.6 Break-Before-Make Operation Logic Table (Ringing to Talk Transition)
2.3.7 Alternate Break-Before-Make Operation
The second break-before-make method is also
available for use with all versions of the CPC7593. As
of the CPC7593 switches when pulled to a logic low.
Although logically disabled, an active (closed) ringing
switch (SW4) will remain closed until the next current
zero crossing event.
State
INRINGING INTESTin INTESTout
Latch
TSD
Timing
Break
Switches
Ringing
Return
Switch
(SW3)
Ringing
Switch
(SW4)
Test
Switches
Ringing
1
0
0Z
-Off
On
Off
Make-
Before-
Break
00
0
SW4 waiting for next
zero-current crossing to turn off.
Maximum time is one-half of the
ringing cycle. In this transition
state, current that is limited to the
break switch dc current limit
value will be sourced from the
ring node of the SLIC.
On
Off
On
Off
Talk
0
Zero-cross current has occurred
On
Off
State
INRINGING INTESTin INTESTout
Latch
TSD
Timing
Break
Switches
Ringing
Return
Switch
(SW3)
Ringing
Switch
(SW4)
Test
Switches
Ringing
1
0
0Z
-Off
On
Off
All-off *
10
1
Hold this state for at least
one-half of ringing cycle. SW4
waiting for zero current to turn
off.
Off
On
Off
Break-
Before-
Make *
10
1
Zero current has occurred. SW4
has opened
Off
Talk
0
Break switches close.
On
Off
* For the CPC7593xA/B versions the input pattern (1,1,1) may also be used for the all-off state.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CPC7593BATR | 功能描述:固态继电器-PCB安装 10-pole SOIC LCAS, T/R RoHS:否 制造商:Omron Electronics 控制电压范围: 负载电压额定值:40 V 负载电流额定值:120 mA 触点形式:1 Form A (SPST-NO) 输出设备:MOSFET 封装 / 箱体:USOP-4 安装风格:SMD/SMT |
| CPC7593BB | 功能描述:固态继电器-PCB安装 10-pole, no SCR, SOIC LCAS RoHS:否 制造商:Omron Electronics 控制电压范围: 负载电压额定值:40 V 负载电流额定值:120 mA 触点形式:1 Form A (SPST-NO) 输出设备:MOSFET 封装 / 箱体:USOP-4 安装风格:SMD/SMT |
| CPC7593BBTR | 功能描述:固态继电器-PCB安装 10-pole, no SCR, SOIC LCAS, T/R RoHS:否 制造商:Omron Electronics 控制电压范围: 负载电压额定值:40 V 负载电流额定值:120 mA 触点形式:1 Form A (SPST-NO) 输出设备:MOSFET 封装 / 箱体:USOP-4 安装风格:SMD/SMT |
| CPC7593BC | 功能描述:固态继电器-PCB安装 10-pole, extra logic, SOIC LCAS RoHS:否 制造商:Omron Electronics 控制电压范围: 负载电压额定值:40 V 负载电流额定值:120 mA 触点形式:1 Form A (SPST-NO) 输出设备:MOSFET 封装 / 箱体:USOP-4 安装风格:SMD/SMT |
| CPC7593BCTR | 功能描述:固态继电器-PCB安装 10-pole, extra logic, SOIC LCAS, T/R RoHS:否 制造商:Omron Electronics 控制电压范围: 负载电压额定值:40 V 负载电流额定值:120 mA 触点形式:1 Form A (SPST-NO) 输出设备:MOSFET 封装 / 箱体:USOP-4 安装风格:SMD/SMT |
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