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 Access time 01 2168-55 4096 × 4 static random access memory (55 ns) 02 2168-70 4096 × 4 static random access memory (70 ns) 03 2169-50 4096 × 4 static random access memory (50 ns) 04 2169-70 4096 × 4 static random access memory (70 ns) 05 2168-45 4096 × 4 static random access memory (45 ns) 06 2169-40 4096 × 4 static random access memory (40 ns)

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 X (See figure 1) (20-terminal, .430" × .295"), rectangular chip carrier package

Supply voltage range - - - - - - - - - - - - - - −0.5 V dc to +7.0 V dc Storage temperature range- - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) 2/- - - - - - - - 1.2 W Lead temperature (soldering, 10 seconds) - - - - +300°C Thermal resistance, junction-to-case (θ_JC): Case R - - - - - - - - - - - - - - - - - - - - See MIL-M-38510, appendix C Case X - - - - - - - - - - - - - - - - - - - - 15°C/W Junction temperature (T_J)- - - - - - - - - - - - +175°C DC output current- - - - - - - - - - - - - - - - 20 mA All signal voltages with respect to GND- - - - - −3.5 V dc to +7.0 V dc

Supply voltage (V_CC) - - - - - - - - - - - - - - 4.5 V dc minimum to 5.5 V dc maximum Minimum high-level input voltage (V_IH) - - - - - 2.2 V dc Maximum low-level input voltage (V_IL)- - - - - - 0.8 V dc Case operating temperature range (T_C)- - - - - - −55°C to +125°C

intended Use: