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45A & 55A Series 14 Pin DIP

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

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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 Voltage:  2.7V Min.

  • V0L Logic "0" Output Voltage:  0.5V Max.

  • V1H Logic "1" Output Voltage:  2.0V Min.

  • V1L Logic "0" Output Voltage:  0.8V Max.

  • TA Operating Temperature:      0°C to 70°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


45A Series Dimensions & Marking


55A Series Dimensions & Marking

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

 

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

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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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