HI-2579 Ver la hoja de datos (PDF) - Holt Integrated Circuits
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HI-2579 Datasheet PDF : 11 Pages
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HI-2579, HI-2581
PIN DESCRIPTIONS
Table 1. Pin Descriptions
Pin
Symbol
Function Description
1
BUSA
Analog O/P
MIL-STD-1553 Bus A driver, negative signal (Transformer coupled or direct
coupled bus connections)
2
BUSA
Analog O/P
MIL-STD-1553 Bus A driver, positive signal (Transformer coupled or direct
coupled bus connections)
3
TXA
Digital I/P Transmitter A digital data input, non-inverted
4
TXA
Digital I/P Transmitter A digital data input, inverted
5
VDDA
Power Transceiver A 3.3V supply
6
RXENA
Digital I/P
Receiver A enable. If low, forces both RXA and RXA low (HI-2579) or High
(HI-2581)
7
GNDA
Power Transceiver A ground connection
8
VDDB
Power Transceiver B 3.3V supply
9
RXENB
Digital I/P
Receiver B enable. If low, forces both RXB and RXB low (HI-2579) or High
(HI-2581)
10
GNDB
Power Transceiver B ground connection
11
DNC
−
Not Used. Do Not Connect.
12
DNC
−
Not Used. Do Not Connect.
13
BUSB
Analog O/P
MIL-STD-1553 Bus B driver, positive signal (Transformer coupled or direct
coupled bus connections)
14
BUSB
Analog O/P
MIL-STD-1553 Bus B driver, negative signal (Transformer coupled or direct
coupled bus connections)
15
RXB
Digital I/P Receiver B output, inverted
16
RXB
Digital I/P Receiver B output, non-inverted
17
TXINHB
Digital I/P Transmit inhibit, Bus B. If high BUSB, BUSB outputs are disabled
18
TXB
Digital I/P Transmitter B digital data input, non-inverted
19
TXB
Power Transmitter B digital data input, inverted
20
RXA
Power Receiver A output, inverted
21
RXA
Digital I/P Receiver A output, non-inverted
22
TXINHA Digital I/P Transmit inhibit, Bus A. If high BUSA, BUSA outputs are disabled
23
DNC
−
Not Used. Do Not Connect.
24
DNC
−
Not Used. Do Not Connect.
HOLT INTEGRATED CIRCUITS
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