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CT1991 반도체 회로 부품 판매점

MIL-STD-1553B Remote Terminal / BUS Controller or Passive Monitor Hybrid



Aeroflex Circuit Technology 로고
Aeroflex Circuit Technology
CT1991 데이터시트, 핀배열, 회로
CT1990/1 Series
MIL-STD-1553B Remote Terminal, BUS Controller,
or Passive Monitor Hybrid with Status Word Control
www.aeroflex.com/Avionics
June 13, 2005
FEATURES
Performs the Complete Dual-Redundant Remote Terminal, Bus Controller Protocol and Passive Monitor Functions of MIL-STD-1553B
Automated Self-Test Functions
Allows Setting of the Message Error Bit on Illegal Commands
Provides Programmable Control over Terminal Flag and Subsystem Flag Status Bits
50mW Typical Power Consumption
+5V DC Operation
Full Military (-55°C to +125°C) Temperature Range
Advanced Low Power VLSI Technology
Compatible with all Aeroflex-Plainview Driver/Receiver Units
Designed for Commercial, Industrial and Aerospace Applications
MIL-PRF-38534 compliant devices available
Aeroflex-Plainview is a Class H & K MIL-PRF-38534 Manufacturer
Packaging – Hermetic Ceramic Plug-In - 90 Pin, 2.4"L x 1.6"W x .225"Ht
DESC SMD# 5962–94775: Released CT1990, Pending CT1991
Encoder
Interface
Unit
Sub Address
&
Word Count
Outputs
BUS "0"
BUS "1"
ASIC
T/R
Hybrid
ASIC
T/R
Hybrid
Driver
Select
&
Enable
Decoder
"O"
Decoder
"1"
Status
Word
Control
Internal
Highway
Control
Program
Inputs
Discrete
Outputs
Control
Inputs
Terminal
Address
Inputs
CT1990/1
Figure 1 – BLOCK DIAGRAM (WITH TRANSFORMERS)
DESCRIPTION
The Aeroflex-Plainview CT1990/1 Series is a monolithic implementation of the MIL-STD-1553B Bus Controller,
Remote Terminal and Passive Monitor functions. All protocol functions of MIL-STD-1553B are incorporated and
a number of options are included to improve flexibility. These features include programming of the status word,
illegalizing specific commands and an independent loop back self-test which is initiated by the subsystem. This
unit is directly compatible with all microprocessor interfaces such as the CT1611 and CT1800 produced by
Aeroflex.
SCDCT1990 Rev C


CT1991 데이터시트, 핀배열, 회로
ABSOLUTE MAXIMUM RATINGS
Parameter
VCC
Input or Output Voltage at any Pin
Storage Case Temperature
Load Temperature (Soldering 10 Sec)
Min
-0.3
-0.3
-65
-
Max
7.0
VCC + 0.3V
+150
+300
Units
V
V
°C
°C
Parameter
VCC (Logic)
VIH
VIL
RECOMMENDED DC OPERATING CONDITIONS
Test Conditions Min Typ Max Unit Notes
VCC = 5.0V
VCC = 5.0V
4.5 5.0 5.5
2.2 -
-
- - 0.7
V
V
V
-
1,2
1,2
ELECTRICAL CHARACTERISTICS
(TA = -55°C to +125°C)
Parameter
Test Conditions Min Typ Max Unit
Notes
VOH High Level Output Voltage
VOL Low Level Output Voltage
IIH High Level Input Current
IIL Low Level Input Current
ICC Supply Current
VCC = 4.5V
VCC = 4.5V
VCC = 5.5V,
VIN = 2.7V
VCC = 5.5V,
VIN = 0.4V
VCC = 5.5V
2.4 -
-
V
-
- 0.4
V
-200 - -700 µA
-25 - -400 µA
-400 - -900 µA
-25 - -400 µA
- - 20 mA
4
4
2
3
2
3
4
NOTES:
1/ RTAD 0/1/2/3/4 and RTADPAR ONLY.
2/ ALL Inputs and Bidirectionals other than those in Note 1.
3/ IOL max = 3mA / IOH max = -2mA TX INHIBIT 0/1 and TX DATA/DATA ONLY.
IOL max = 2mA / IOH max = -1mA – ALL remaining Outputs and Bidirectionals.
4/ Input Clock (running) = 6MHz, ALL remaining Inputs are Open and ALL Outputs and Bidirectionals have no load
CLOCK REQUIREMENTS
Parameter
Frequency:
Stability -55°C to +125°C:
Maximum Asymmetry:
Rise/Fall Time:
Output Level:
SCDCT1990 Rev C
Range
6.0 MHz
±0.01% (100ppm)
48 - 52%
10ns MAX
Logic "0" 0.4V MAX
Logic "1" 2.4V MIN
2




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CT1991 controller

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