CPC7508 데이터 시트보기 (PDF) - Clare Inc => IXYS
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CPC7508 Datasheet PDF : 14 Pages
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CPC7508
1.10 Truth Table
State
INA
INB
INC
LATCH
TSD
Break
Switches
TEST_OUT
Switches
TEST
BRIDGE
Switches
Talk
0
0
0
On
Off
Off
TEST_IN
0
0
1
Off
Off
Off
TEST_OUT
0
1
0
Off
On
Off
TEST_IN Monitor
0
1
1
On
Off
Off
TEST_OUT Monitor
1
0
0
0
Z1
On
On
Off
TEST_IN & OUT
1
0
1
Off
On
Off
All-Off
1
1
0
Off
Off
Off
TEST_IN Bridge
1
1
1
Off
Off
On
Latched
All-Off
X
X
X
1
X
X
X
X
0
Off
Unchanged
Off
Off
1 Z = High Impedance. Because TSD has a high impedance output for a logic high it needs to be pulled up to the logic supply through an external resistor.
TEST_IN
Switches
Off
On
Off
On
Off
On
Off
On
Off
Break Switches: SW1 and SW2
TEST_OUT Switches: SW3 and SW4
TEST_IN Switches: SW5 and SW6
TEST BRIDGE Switches: SW7 and SW8
8
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