CPC7594 데이터 시트보기 (PDF) - IXYS CORPORATION
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CPC7594 Datasheet PDF : 20 Pages
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INTEGRATED CIRCUITS DIVISION
1.10 Truth Tables
1.10.1 CPC7594xA and CPC7594xB Truth Table
State
INRINGING
INTEST
LATCH
TSD
Break
Switches
Talk
0
0
On
Test
Ringing
All-Off
0
1
Off
1
0
0
Z1
Off
1
1
Off
Latched
X
X
1
All-Off
X
X
X
0
Off
1 Z = High Impedance. Because TSD has an internal pull up at this pin, it should be controlled with an open-collector or open-drain type device.
1.10.2 CPC7594xC Truth Table
State
INRINGING
INTEST
LATCH
TSD
Break
Switches
Talk
0
0
On
Test/Monitor
0
1
On
Ringing
1
0
0
Z1
Off
All-Off
1
1
Off
Latched
X
X
1
All-Off
X
X
X
0
Off
1 Z = High Impedance. Because TSD has an internal pull up at this pin, it should be controlled with an open-collector or open-drain type device.
Ringing
Switches
Off
Off
On
Off
Unchanged
Off
Ringing
Switches
Off
Off
On
Off
Unchanged
Off
CPC7594
Test
Switches
Off
On
Off
Off
Off
Test
Switches
Off
On
Off
Off
Off
R04
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