hi-8589pqt Holt Integrated Circuits, Inc., hi-8589pqt Datasheet - Page 7

• Manufacturer Part Number: hi-8589pqt
• Description: Transmitter With Line Driver And Dual Receivers
• Manufacturer: Holt Integrated Circuits, Inc.

TIMING DIAGRAMS (cont.)
ARINC DATA
ENABLE BYTE ON BUS
DATA READY FLAG
PL1
DATA BUS
PL2
PL2
TX/R
ENTX
TXA(OUT)
TXB(OUT)
(TXA(OUT) - TXB(OUT))
TX/R
BYTE SELECT
V
DIFF
DATA BUS
BIT 31
SEL
D/R
EN
one level
t
PL2EN
t
ENDAT
BIT 32
10%
t
D/R
DON'T CARE
t
rx
90%
+10V
t
PL
+5V
-5V
HOLT INTEGRATED CIRCUITS
ARINC BIT
t
TRANSMITTER OPERATION
DWSET
DATA
BIT 1
t
ENDATA
zero level
BYTE 1 VALID
t
RECEIVER OPERATON
D/REN
t
TRANSMITTING DATA
HI-8581, HI-8589
fx
t
SELEN
t
DWHLD
10%
90%
t
t
fx
7
PL12
BYTE 1 VALID
+5V
-10V
ARINC BIT
-5V
t
ENSEL
DATA
BIT 2
t
rx
t
DATAEN
DON'T CARE
t
PL
null level
t
t
ENEN
DWSET
BYTE 2 VALID
t
ENDATA
t
t
SELEN
DWHLD
t
TX/R
+10V
-5V
+5V
t
t
ARINC BIT
DTX/R
PL12
BIT 32
DATA
t
END/R
t
EN
BYTE 2 VALID
t
ENSEL
DON'T CARE
t
DATAEN
t
ENTX/R