MAX14821 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX14821 Datasheet PDF : 30 Pages
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MAX14821
IO-Link Device Transceiver
Table 6. DoAv and DoInv Operation
DoAv
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
DoInv
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
TXC AND TXQ
(NOTE 1)
Low
Low
High
High
Low
Low
High
High
Low
Low
High
High
Low
Low
High
High
LO
(NOTE 1)
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
Note 1: Low is when VTXC, VTXQ, OR VLO = 0V; high is when VTXC, VTXQ, or VLO = VL.
Note 2: Low is when C/Q or DO < 8V; high is when C/Q or DO >13V.
DO
(NOTE 2)
High
Low
High
Low
Low
High
Low
High
Low
Low
High
High
High
High
Low
Low
C/Q
(NOTE 2)
High
High
Low
Low
High
High
Low
Low
High
High
Low
Low
High
High
Low
Low
Table 7. DO Output Programmed by DoBit
LO
High
High
High
High
High
High
Low
X = Don’t care.
DoBit
0
1
0
1
0
1
X
DoPP
1
1
0
0
0
0
X
DoN/P
X
X
0
0
1
1
X
DO CONFIGURATION
Push-pull
Push-pull
PNP
PNP
NPN
NPN
See Table 6
DO STATE
Low
High
Off, DO is high impedance
On, DO is high
On, DO is low
Off, DO is high impedance
See Table 6
LO
DoBit
DO
DoInv
Figure 10. Equivalent DO Logic
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