ꢀ ꢁ ꢂꢃ ꢄꢅꢆ ꢂ ꢇ ꢈ ꢀ ꢁ ꢂꢃ ꢄꢅ ꢆ ꢂꢉ
ꢄ ꢊꢋꢌꢅ ꢊꢄꢍꢀ ꢎꢏ ꢐꢉ ꢎ ꢐꢌꢑ ꢒꢏ ꢏ ꢓ ꢔ ꢕꢀꢓ ꢖꢕ ꢒꢄ ꢏ ꢓꢉ ꢗꢗ ꢏꢖ ꢏꢘꢍ ꢉꢀ ꢄ ꢄ ꢉꢘꢏ ꢖꢏꢇ ꢏꢉꢅ ꢏꢖ
SLLS202E − MAY 1995 − REVISED JUNE 2005
APPLICATION INFORMATION
Table 1. Active Receiver Inputs vs Outputs
1, 2, OR 3
ACTIVE INPUTS
3, 2, OR 1 UNUSED
OR INACTIVE
OUTPUTS
SEE
FIGURE
1, 2, OR 3
ACTIVE OUTPUTS
†
V
IL
†
V
IC
V
ID
900 mV
−100 mV
600 mV
0
200 mV
200 mV
800 mV
800 mV
1 V
0 V
4
5
6
7
Known state
Known state
Known state
Known state
High state
?
High state
?
1 V
400 mV
†
Measured with respect to ground.
Produces a High State at
Unused or Inactive Outputs
V
ID
= 200 mV
V
IC
= 1V
V
IL
= 900 mV
0V
Figure 4. Waveform One
An Unknown State is Produced
at Unused or Inactive Outputs
V
IC
= 0V
V
IL
= −100 mV
V = 200 mV
ID
Figure 5. Waveform Two
V
ID
= 800 mV
Produces a High State at
Unused or Inactive Outputs
V
IC
= 1V
V
IL
= 600 mV
0V
Figure 6. Waveform Three
An Unknown State is Produced
at Unused or Inactive Outputs
V
ID
= 800 mV
0V
V
IL
= 0V
V
IC
= 400 mV
Figure 7. Waveform Four
8
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