hi-3189 Holt Integrated Circuits, Inc., hi-3189 Datasheet - Page 2

• Manufacturer Part Number: hi-3189
• Description: Differential Line Driver
• Manufacturer: Holt Integrated Circuits, Inc.

PIN DESCRIPTIONS
RATE SELECT
Rate Select
SYMBOL
RATE SELECT
DATA (A)
DATA (B)
VLOGIC
CLOCK
Logic “0”
Logic “1”
Logic “0”
Logic “1”
AMPB
SYNC
OUTA
AMPA
OUTB
CAPB
VREF
CAPA
GND
+VS
-VS
DATA (A)
DATA (B)
CLOCK
SYNC
FUNCTION
ANALOG
OUTPUT
OUTPUT
OUTPUT
OUTPUT
POWER
POWER
POWER
POWER
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
CAPA, CAPB
Value (pF)
470
470
68
68
Ref. voltage used to determine output voltage swing. Pin sources current to allow use of a zener reference.
Selects ARINC 429 data rate. See Table 2 for operation.
Synchronizes data inputs
Data input terminal A
Connection for DATA (A) slew-rate capacitor
ARINC output terminal A with 37.5 Ohms internal series resistance
0.0V
+15V
ARINC output terminal A with 0 Ohms internal series resistance
ARINC output terminal B with 37.5 Ohms internal series resistance
Connection for DATA (B) slew-rate capacitor
Data input terminal
Synchronizes data inputs
ARINC output terminal B with 0 Ohms internal series resistance
+5V ±10%
-15V
± 10%
± 10%
VREF
GND
Table 2. Rate Select Pin Truth Table
Figure 2. Functional Block Diagram
Rise / Fall Time
10% - 90% (us)
LEVEL SHIFTER
LEVEL SHIFTER
HOLT INTEGRATED CIRCUITS
CONTROL (A)
CONTROL (B)
AND SLOPE
AND SLOPE
5.0 - 15.0
5.0 - 15.0
B
1.0 - 2.0
+VS
-VS
N/A
CAPA
CAPB
HI-3189
DESCRIPTION
2
DRIVER (A)
DRIVER (B)
OUTPUT
OUTPUT
(Kbits/sec)
12.0 - 14.5
12.0 - 14.5
Data Rate
100
N/A
+VS
+VS
-VS
-VS
37.5W
37.5W
ARINC 429 High-Speed
ARINC 429 Low-Speed
ARINC 429 Low-Speed
Comments
Not Used
AMPA
OUTB
AMPB
OUTA
C
L
R
L