scope:

This drawing describes device requirements for class B microcircuits in accordance with 1.2.1 of MIL-STD-883, "Provisions for the use of MIL-STD-883 in conjunction with compliant non-JAN devices".

The complete part number shall be as shown in the following example:

The device type shall identify the circuit function as follows:

Device type Generic number Circuit function 01 54LS374 Octal D-type positive, edge-triggered flip-flop with three-state outputs

The case outlines shall be as designated in appendix C of MIL-M-38510, and as follows:

Outline letter Case outline R D-8 (20-lead, ¼″ × 1-1/16″), dual-in-line package S F-9 (20-lead, ¼″ × ½″), flat package 2 C-2 (20-terminal, .350″ × .350″), square chip carrier package

Supply voltage range - - - - - - - - - - - - - - - - −0.5 V dc to +7.0 V dc Input voltage range - - - - - - - - - - - - - - - - - −1.5 V dc at −18 mA to 5.5 V dc Storage temperature - - - - - - - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) 1/ - - - - - - - - - 31 mW Lead temperature (soldering, 10 seconds) - - - - - - +300°C Thermal resistance, junction-to-case (θ_JC): - - - - - See MIL-M-38510, appendix C Junction temperature (T_J) - - - - - - - - - - - - - - +175°C

Supply voltage range (V_CC) - - - - - - - - - - - - - 4.5 V dc minimum to 5.5 V dc maximum Minimum high level input voltage (V_IH) - - - - - - - 2.0 V dc Maximum low level input voltage (V_IL) - - - - - - - - 0.7 V dc Case operating temperature range (T_C) - - - - - - - - −55°C to +125°C High level output current (I_OH) - - - - - - - - - - - −1 mA Low level output current (I_OL) - - - - - - - - - - - 12 mA Width of clock pulse (T_W) - - - - - - - - - - - - - - 15 ns minimum Data input Set-up time (Tsu) - - - - - - - - - - - - - - - - - 20 ns minimum Data hold time (Th) - - - - - - - - - - - - - - - - 0 ns minimum Clock frequency (Fclock)- - - - - - - - - - - - - - - 0 to 35 MHz

intended Use: