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PDF HI-1579A Data sheet ( Hoja de datos )
| Número de pieza | HI-1579A | |
| Descripción | 3.3V Monolithic Dual Transceivers | |
| Fabricantes | HOLTIC | |
| Logotipo |  |
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November 2016
HI-1579A
MIL-STD-1553 / 1760
3.3V Monolithic Dual Transceivers
DESCRIPTION
The HI-1579A is a low power CMOS dual transceiver
designed to meet the requirements of the MIL-STD-1553
and MIL-STD-1760 specifications.
The transmitter section of each bus takes complementary
CMOS / TTL Manchester II bi-phase data and converts it to
differential voltages suitable for driving the bus isolation
transformer. Separate transmitter inhibit control signals are
provided for each transmitter.
The receiver section of the each bus converts the 1553 bus
bi-phase data to complementary CMOS / TTL data suitable
for input to a Manchester decoder. Each receiver has a
separate enable input, which forces both receive output
signals to the bus idle state (logic "0") when disabled.
To minimize the package size for this function, the
transmitter outputs are internally connected to the receiver
inputs, so that only two pins are required for connection to
each coupling transformer.
PIN CONFIGURATIONS
VDDA 1
BUSA 2
BUSA 3
RXENA 4
GNDA 5
VDDB 6
BUSB 7
BUSB 8
RXENB 9
GNDB 10
1579APSI
1579APST
1579APSM
20 TXA
19 TXA
18 TXINHA
17 RXA
16 RXA
15 TXB
14 TXB
13 TXINHB
12 RXB
11 RXB
20 Pin Plastic ESOIC - WB package
FEATURES
· Compliant to MIL-STD-1553A and B,
MIL-STD-1760 and ARINC 708A
· 3.3V single supply operation
· Industrial and extended temperature
ranges with optional burn-in
(DS1579A_New)
HOLT INTEGRATED CIRCUITS
www.holtic.com
11/16
1 page  
HI-1579A
DC ELECTRICAL CHARACTERISTICS (cont.)
VDD = 3.3 V, GND = 0V, TA = Operating Temperature Range (unless otherwise specified).
PARAMETER
SYMBOL
CONDITION
MIN TYP MAX UNITS
TRANSMITTER (Measured at Point “AD” in Figure 3 unless otherwise specified)
Output Voltage
Direct coupled
VOUT
35 ohm load
(Measured at Point “AD“ in Figure 3)
Transformer coupled
VOUT
70 ohm load
(Measured at Point “AT“ in Figure 4)
Output Noise
VON Differential, inhibited
Output Dynamic Offset Voltage Direct coupled
VDYN
35 ohm load
(Measured at Point “AD“ in Figure 3)
Transformer coupled
VDYN
70 ohm load
(Measured at Point “AT“ in Figure 4)
Output Capacitance
COUT
1 MHz sine wave
6.7
20.0
-24
-100
9.0
27.0
10.0
+24
+100
15
Vp-p
Vp-p
mVp-p
mV
mV
pF
AC ELECTRICAL CHARACTERISTICS
VDD = 3.3 V, GND = 0V, TA =Operating Temperature Range (unless otherwise specified).
PARAMETER
SYMBOL TEST CONDITIONS
RECEIVER
(Measured at Point “AT” in Figure 4)
Receiver Delay
tDR From input zero crossing to RXA/B or RXA/B
MIN
Receiver gap time
tRG Spacing between RXA/B and RXA/B pulses
Receiver Enable Delay
tREN From RXENA/B rising or falling edge to
RXA/B or RXA/B
TRANSMITTER (Measured at Point “AD” in Figure 3)
Driver Delay
tDT TXA/B, TXA/B to BUSA/B, BUSA/B
Rise time
tr 35 ohm load
Fall Time
tf 35 ohm load
Inhibit Delay
tDI-H Inhibited output
tDI-L Active output
90
Note 1
100
100
TYP
MAX UNITS
450
Note 3
365
Note 2
40
ns
ns
ns
150 ns
300 ns
300 ns
100 ns
150 ns
Note 1. Measured using a 1 MHz sinusoid, 20 V peak to peak, line to line at point “AT” (Guaranteed but not tested).
Note 2. Measured using a 1 MHz sinusoid, 860 mV peak to peak, line to line at point “AT” (100% tested).
Note 3. Measured using a 1 MHz sinusoid, 860 mV peak to peak, line to line at point “AT”. Measured from input zero crossing point.
Transceiver A
Transceiver B
HI-1579A
Isolation
Transformer 55W
MIL-STD-1553
BUS A
(Direct Coupled)
BUS A
1:2.5
55W
BUS A
Isolation
Transformer BUS B
MIL-STD-1553
Bus Coupler
52.5W
MIL-STD-1553
BUS B
(Transformer Coupled)
1:2.5
BUS B
52.5W
1:1.4
Figure 2. Bus Connection Example using HI-1579A
HOLT INTEGRATED CIRCUITS
5
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HI-1579A.PDF ] | |
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