Series 45A/55A TTL Active Delay Line - 5 Spaced Taps
page a-ddl-45a/55aPrinter
  • 14 Pin Package
  • 5 Equally Spaced Taps
  • TTL Schottky Interfaced
  • Total Delay: 25 to 1000ns
  • TPLH and TPHL Controlled

45A 55A Series
55A Series Dimensions

Electrical Specifications

  • IIH Logic "1" Input Current:     50μA Max.
  • IIL Logic "0" Input Current:     -2mA Max.
  • V0H Logic "1" Output Volt.:     2.7V Min.
  • V0L Logic "0" Output Volt.:     0.5V Max.
  • V1H Logic "1" Output Volt.:     2.0V Min.
  • V1L Logic "0" Output Volt.:     0.8V Max.
  • TA Operating Temp.:              0°C to 7 0°C
  • NH Fanout "1" Output:            20 TTL Load
  • NL Fanout "0" Output:            10 TTL Load
  • Supply Current:                      75mA typical
     

Input Pulse Test Condition

  • Pulse Voltage:             3.2V
  • Pulse Width:                50nS min or 100% Td
  • Duty Cycle:                  < 50%
  • Pulse Rise Time:          2nS (0.75 to 2.4V)
  • Time Delay Measured: @ 1.5V level
  • Supply Voltage Vcc:     5.0 ± 0.25VDC

Mounting Height
Code Dimension (Max)
A .200 (5.08)
B .250 (6.35)
C .300 (7.62)


45A Series Dimensions & Marking


55A Series Dimensions & Marking

 

 

 

Pin Number Sequence (Other pin sequences available upon request)
Code
Tap #		 In 20% 40% 60% 80% Out GND
Std. 2 3 4 5 6 7 1,8
A 1 2 3 4 6 7 4,8
B 1 7 3 6 4 5 8
C 7 2 6 3 5 4 1,8

Part No. Time Delay (Td)
(nanoseconds)
 

Time Delay (Td)/Tap
(nanoseconds)
 

Rise Time  (Tr)
(nanoseconds)
(Max)
45A/55A-025 25 ± 2 5 ± 2 4
45A/55A-050 50 ± 5% 10 ± 2 4
45A/55A-075 75 ± 5% 15 ± 2 4
45A/55A-100 100 ± 5% 20 ± 2 4
45A/55A-150 150 ± 5% 30 ± 2 4
45A/55A-200 200 ± 5% 40 ± 2 4
45A/55A-250 250 ± 5% 50 ± 5% 4
45A/55A-300 300 ± 5% 60 ± 5% 4
45A/55A-500 500 ± 5% 100 ± 5% 4
45A/55A-1000 1000 ± 5% 200 ± 5% 4
Allen Avionics, Inc.
255 East Second Street, Mineola, NY  11501
Phone: (516) 248-8080
Fax: (516) 747-6724
E-Mail: Info@AllenAvionics.com

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