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NHi-1567 Schematic ( PDF Datasheet ) - National Hybrid

Teilenummer NHi-1567
Beschreibung Transceivers
Hersteller National Hybrid
Logo National Hybrid Logo 




Gesamt 11 Seiten
NHi-1567 Datasheet, Funktion
Data Device Corporation
1-800-DDC-5757 | 631-567-5600
105 Wilbur Place, Bohemia, NY 11716
[email protected] | www.ddc-web.com
NHi-1567/68 NHi-15LV67/68 NHi-15133/134 NHi-15LV133/134
+5v/+3.3v Monolithic Mil-Std-1553/1760 Transceivers
Features
Description
Dual Transceiver
Totally Independent Channels
Single Power Supply
Short Circuit Tolerant
NHi Proprietary ASIC
Superior Noise Filter
Mac-Air compliant version also
available
NHi-15133/134 has higher receiver
threshold
The receivers convert Manchester II bi-phase
data into complementary digital outputs.
Each receiver has an independent digital
enable.
The transmitters convert complementary
digital inputs into Manchester II bi-phase
data. Each transmitter has an independent
digital inhibit.
A coupling transformer interfaces each
transceiver to the Stub or Bus.
TX_H
TX_L
TXINH_H
RX_H
RX_L
RXENA_H
Logic
Wave
Shaper
Output
Driver
TRANSCEIVER
Logic
Compare
Filter
&
Limiter
1
CT Xfmr.
Block Diagram
(Each Channel)
Rev.2 6/15/2010






NHi-1567 Datasheet, Funktion
NHi-1567/68 NHi-15LV67/68 NHi-15133/134 NHi-15LV133/134
Receiver Logic
Part Number
NHi-1567/133/LV67/133
NHi-1567/133/LV67/133
NHi-1567/133/LV67/133
NHi-1567/133/LV67/133
NHi-1568/134/LV68/134
NHi-1568/134/LV68/134
NHi-1568/134/LV68/134
Rxena_
H
Stub/Bus
Rxo_H Rxo_L
1 Vthr- <Vpp< +Vthr 0
1 Vthr- <Vpp>= +Vthr 1
1 Vthr- =>Vpp< +Vthr 0
0 X0
0
0
1
0
1 Vthr- <Vpp< +Vthr 1
1 Vthr- <Vpp>= +Vthr 1
1 Vthr- =>Vpp< +Vthr 0
0 X1
1
0
1
1
Transmitter Logic
Txin_H [1] Txin_L [1] Txena_L [1] Stub/Bus
0 0 0 Hi_Z
1 0 0 Vpp
0 1 0 Vpp
1 1 0 Hi_Z
X X 1 Hi_Z
Note: [1] This input has a weak pull-up resistor to Vcc. The value is 50kto 100k.
6 Rev.2 6/15/2010

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