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CT1999 Dataheets PDF



Part Number CT1999
Manufacturers Aeroflex Circuit Technology
Logo Aeroflex Circuit Technology
Description CT1999 Remote Terminal and/or Bus Controller for MIL-STD-1553B
Datasheet CT1999 DatasheetCT1999 Datasheet (PDF)

CT1999 Remote Terminal and/or Bus Controller for MIL-STD-1553B Features • Performs the Complete Dual-Redundant Remote Terminal and Bus Controller Protocol Functions of MIL-STD-1553B • Automatic Switchover to Superseding Input Commands • MIL-PRF-38534 Compliant Circuits Available • 750 mw Typical Power Consumption • Small Size • Available in Plug-in or Flatpack Configuration CIRCUIT TECHNOLOGY • Compatible with all ACT Driver/Receiver Units www.aeroflex.com • 5V DC Operation • Direct replacement.

  CT1999   CT1999



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CT1999 Remote Terminal and/or Bus Controller for MIL-STD-1553B Features • Performs the Complete Dual-Redundant Remote Terminal and Bus Controller Protocol Functions of MIL-STD-1553B • Automatic Switchover to Superseding Input Commands • MIL-PRF-38534 Compliant Circuits Available • 750 mw Typical Power Consumption • Small Size • Available in Plug-in or Flatpack Configuration CIRCUIT TECHNOLOGY • Compatible with all ACT Driver/Receiver Units www.aeroflex.com • 5V DC Operation • Direct replacement for CT1602 • Full Military (-55°C to +125°C) Temperature Range General Description The CT1999 design incorporates ASIC and five Octal Buffers that accomplish the dual redundant MIL-STD1553B Remote Terminal and/or Bus Controller Protocol Functions. Buffering has been added to the most commonly used output signals on the CT1999, minimizing external hardware requirements. The CT1999 connects directly to all ACT Driver/Receiver Units. Block Diagram (With Transformer) Encoder Interface Unit SA & WC Buffers Sub Address & Word Count Outputs Internal Highway Buffer BUS "0" T/R Hybrid Driver Select & Enable T/R Hybrid Decoder "1" Internal Highway Control Decoder "O" Discrete Output Buffers Control Data I/O Buffered Descrete Outputs Unbuffered Outputs BUS "1" Control Inputs Terminal Address Inputs ASIC CT1999 eroflex Circuit Technology – Data Bus Modules For The Future SCDCT1999 REV B 8/14/01 Absolute Maximum Ratings Parameter Operating Free-air Temperature Storage Case Temperature Power Supply Voltage VCC Input Voltage Range -55°C to +125 -65°C to +150 +7 +7 Units °C °C Volts Volts Recommended Operating Conditions Parameter VCC Power Supply Voltage VCC VIH High Level Input Voltage, Vcc = 5V VIL Low Level Input Voltage, Vcc = 5V Min 4.5 2.2 Typ 5.0 Max 5.5 Unit V V 0.7 V Electrical Characteristics (TA = -55°C to +125°C) Parameter VOH High Level Output Voltage Test Conditions IOH = -3mA IOH = -400µA IOH = -800µA VCC = 4.5V Min 2.4 2.4 2.4 Max Unit V V V Notes 2B,5 6 7 2B,5 6 7 VOL Low Level Output Voltage IOL = +12mA IOL = +4mA IOL = +2mA VCC = 4.5V 0.4 0.4 0.4 V V V IIH High Level Input Current VCC = 5.5V, VIH = 2.4V -700 -20 -700 -400 -200 20 -200 -25 -350 0 -350 -25 285 µA µA µA µA µA µA µA µA mA 1 2A,2B 3 4 1 2A,2B 3 4 IIL Low Level Input Current VCC = 5.5V, VIL = 0.4V -900 -200 -900 -500 ICC Supply Current VCC = 5.5V Notes (Pin numbers are for 90 pin Plug in package): 1. Pins 45 through 50 (RTADPAR,RTAD0,1,2,3,4). 2A. Pin 34 (IHDIR). 2B. Pins 37 through 44 (IH08 through IH715). 3. Pins 24,36 (BUFINH, IHENA). 4. ALL remaining inputs ALL versions. 5. Pins 2 through 23 (Remaining Buffered Outputs). 6. Pins 68,69,70,71 (TXINH0,TXINH1,TXDATA,TXDATA). 7. All remaining outputs. Clock Requirements Frequency Stability (-55°C to +125°C) Maximum Asymmetry Rise/Fall Time Aeroflex Circuit Technology 6MHz ±0.01% 48 - 52% 10ns MAX 2 SCDCT1999 REV B 8/14/01 Plainview NY (516) 694-6700 REMOTE TERMINAL OPERATION Receive Data Operati.


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