scope:

This drawing describes the 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 25LS2521 8-bit equal-to comparator

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 to +7.0 V Input voltage range- - - - - - - - - - - - - - - - −1.5 V to +7.0 V Storage temperature range- - - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) 1/- - - - - - - - - 700 mW Lead temperature (soldering, 10 Seconds) - - - - - +300°C Thermal resistance, junction-to-case (θ_JC): Case R - - - - - - - - - - - - - - - - - - - - - 30°C/W Case S - - - - - - - - - - - - - - - - - - - - - 25°C/W Case 2 - - - - - - - - - - - - - - - - - - - - - 17°C/W Junction temperature (T_J)- - - - - - - - - - - - - +150°C DC input current - - - - - - - - - - - - - - - - - −30 mA to +5.0 mA DC output current into outputs - - - - - - - - - - 30 mA

Supply voltage (V_CC) - - - - - - - - - - - - - - - +4.5 V to +5.5 V Minimum high-level input voltage (V_IH) - - - - - - 2.0 V Maximum low-level input voltage (V_IL)- - - - - - - 0.7 V Ambient operating temperature range (T_A) - - - - - −55°C to +125°C

intended Use: