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 54ALS857 Hex, two-input universal multiplexer 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 K F-6 (24-lead, ⅜" × ×"), flat package 3 C-4 (28-terminal, .450" × .450"), 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 +7.0 V dc Storage temperature range- - - - - - - - - - - - - - - −65°C to 150°C Maximum power dissipation (P_D) 1/ - - - - - - - - - - 198 mW Lead temperature (soldering, 10 seconds) - - - - - - - +300°C Thermal resistance, junction-to-case (θ_JC): Cases K and 3 - - - - - - - - - - - - - - - - - - - 60°C/W Junction temperature (T_J)- - - - - - - - - - - - - - - +175°C

Supply voltage (V_CC) - - - - - - - - - - - - - - - - - 4.5 V dc to 5.5 V dc Minimum high level input voltage (V_IH) - - - - - - - - 2.0 V dc Maximum low level input voltage (V_IL)- - - - - - - - - 0.7 V dc Normalized fanout (each output) 2/ - - - - - - - - - 10 maximum at low logic level 20 maximum at high logic level Case operating temperature range (T_C)- - - - - - - - - −55°C to +125°C

intended Use: