CPC7582_1 Datasheet, PDF (11/19 Pages) Clare, Inc. – Line Card Access Switch

1.10 CPC7582xC Truth Table
State
IN_RINGING
IN_TEST
LATCH
T_SD
Talk
0
0
Test/Monitor
0
1
0
1 or
Ringing
1
0
Floating¹
Ringing Test
1
1
Latched
X
X
1
All off
X
X
X
0²
1_{If TSD is tied high, thermal shutdown is disabled. If TSD is left floating, the thermal shutdown mechanism functions normally.}
2_{Forcing TSD to ground overrides the logic input pins and forces an all off state.}
Break
Switches
On
On
Off
Off
Off
Ringing
Switches
Off
Off
On
On
Unchanged
Off
CPC7582
Test
Switches
Off
On
Off
On
Off
R05
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