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 types shall identify the circuit function as follows:

Device type Generic number Circuit function 01 54ALS373 Octal, D-type, flip-flop with transparent latch and 3-state outputs 02 54ALS374 Octal, D-type, edge-triggered, flip-flop with 3-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, 1.060" × .310" × .200"), dual-in-line package S F-9 (20-lead, .540" × .300" × .100"), flat package 2 C-2 (20-terminal, .358" × .100"), square chip carrier package

Supply voltage range - - - - - - - - - - - - - - - - −0.5 V dc minimum to +7.0 V dc maximum Input voltage range - - - - - - - - - - - - - - - - −1.5 V dc at −18 mA to +7.0 V dc Storage temperature range- - - - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) 1/: Device type 01 - - - - - - - - - - - - - - - - - - 148.5 mW Device type 02 - - - - - - - - - - - - - - - - - - 170.5 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): T_C = +125°C - - - - - - - - - - - - - - - - - - - - - - 0.7 V dc T_C = −55°C - - - - - - - - - - - - - - - - - - - - - - 0.8 V dc T_C = +25°C - - - - - - - - - - - - - - - - - - - - - - 0.8 V dc Case operating temperature range (T_C) - - - - - - - - - - −55°C to +125°C Normalized fanout (each output): At low logic level- - - - - - - - - - - - - - - - - - - 10 maximum At high logic level - - - - - - - - - - - - - - - - - - 20 maximum Minimum width of clock pulse (t_p(clk)): Device type 02 at +25°C- - - - - - - - - - - - - - - - - - - - - - - 14 ns at −55°C and +125°C - - - - - - - - - - - - - - - - - 16.5 ns Minimum width of Enable pulse (t_p(Enable)): Device type 01- - - - - - - - - - - - - - - - - - - - - 10 ns Minimum setup time before clock (t_setup): Device type 02- - - - - - - - - - - - - - - - - - - - - 10 ns Minimum hold time after clock (t_hold): Device type 02- - - - - - - - - - - - - - - - - - - - - 4 ns Minimum setup time before Enable (t_setup): Device type 01- - - - - - - - - - - - - - - - - - - - - 10 ns Minimum hold time after Enable (t_hold): Device type 01- - - - - - - - - - - - - - - - - - - - - 7 ns

intended Use: