Technicians Handbook - Historic Naval Ships Association
Technicians Handbook - Historic Naval Ships Association
Technicians Handbook - Historic Naval Ships Association
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Table 1-28.—Microcircuit Part Number Breakdown1 2 3 4 5 6M38510/ 001 04 B C B1. Military Specification Designator2. Detail Specification (Group of devices of similar function)3. Device Type (Specific part type in group)4. Device Class:Class A - Manual space programClass B - Avionics, space satellitesClass C - Prototype, noncritical ground systems5. Case outline:A--1/4" х 1/4" Flat Pack 14 PinB--1/4" х 1/8" Flat Pack 14 PinC--Dip 14 PinD--1/4" х 3/8" Flat Pack 14 PinE--Dip 16 PinF--1/4" х 3/8" Flat Pack 16 PinG--Can to 99 8 PinH--1/4" х 1/4" Flat Pack 10 PinI--Can to 100 10 PinJ--Dip 24 PinK--3/8" х 5/8" Flat Pack 24 PinL--3/8" х 1/2" Flat Pack 24 PinX--To 5Y--To 3Z--1/4" х 3/8" Flat Pack 24 Pin6. Lead finish:A--Hot SolderB--Tin PlateC--Gold PlateTable 1-29 is a microcircuit-part-number-to-circuit-type crossover list. By using this table and table1-28, we find our example part number M38510/00104BCB is a 5400 microcircuit type in class B, with14 pin DIP, and tin plate leads.1-99