HI-8581 View Datasheet(PDF) - Holt Integrated Circuits

Part Name

Description

Manufacturer

HI-8581

ARINC 429 Transmitter with Line Driver and Dual Receivers

Holt Integrated Circuits 

HI-8581, HI-8589

TIMING DIAGRAMS (cont.)

ARINC DATA

BIT 31

DATA READY FLAG D/R

BYTE SELECT SEL

ENABLE BYTE ON BUS EN

DATA BUS

BIT 32

RECEIVER OPERATON

tD/R

DON'T CARE

tSELEN

tD/REN

tENDATA

tENSEL

DON'T CARE

tEND/R

tEN

tSELEN

DON'T CARE

tENSEL

BYTE 1 VALID

tENEN

tDATAEN

tENDATA

BYTE 2 VALID

tDATAEN

DATA BUS

PL1

PL2

TX/R

TRANSMITTER OPERATION

BYTE 1 VALID

tDWSET

tDWHLD

BYTE 2 VALID

tDWSET

tDWHLD

tPL

tPL12

tPL12

tPL

tTX/R

TRANSMITTING DATA

PL2

TX/R

tPL2EN

ENTX

TXA(OUT)

TXB(OUT)

VDIFF

(TXA(OUT) - TXB(OUT))

tENDAT

ARINC BIT

DATA

BIT 1

+5V

ARINC BIT

DATA

BIT 2

-5V

+5V

one level

-5V

tfx

+10V

10%

90%

tfx

trx

10%

zero level

90%

trx

-10V

null level

HOLT INTEGRATED CIRCUITS

7

tDTX/R

ARINC BIT

DATA

BIT 32

+5V

-5V

+10V

tENTX/R

Share Link: