HI-8684 Holt Integrated Circuits, HI-8684 Datasheet - Page 5

• Manufacturer Part Number: HI-8684
• Description: (HI-8683 / HI-8684) ARINC INTERFACE DEVICE ARINC 429 & 561 SERIAL DATA TO 8-BIT PARALLEL DATA
• Manufacturer: Holt Integrated Circuits

TIMING DIAGRAMS
DERIVED DATA
INA (HI-8683 only)
INB (HI-8683 only)
DERIVED CLOCK
DERIVED CLOCK
DATA RDY
(HI-8684 only)
DERIVED DATA
DERIVED DATA
RINA - RINB
D0 - D7
READ
TESTB
VDIFF
TESTA
ARINC Bit
32nd
FIGURE 3 - RECEIVER INPUT TIMING FOR ARINC 429
FIGURE 5 - RECEIVER PARALLEL DATABUS TIMING
FIGURE 4 - TEST INPUT TIMING FOR ARINC 429
28
28
t
RD
t
DRDY
HOLT INTEGRATED CIRCUITS
29
29
1st 8-bits
ARINC Data Bits
ARINC Data Bits
t
RDPW
VALID
HI-8683, HI-8684
30
30
t
t
RR
RDYCLR
t
31
31
FD
2nd 8-bits
5
VALID
32
32
4 Bit Periods Min.
4 Bit Periods Min.
3rd 8-bits
VALID
Word Gap
Word Gap
4th 8-bits
VALID
1
1
2
2
+10V
-10V
+5V
+5V
+5V
+5V
0V
0V
0V
0V
0V