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 2903A Four-bit bipolar microprocessor slice

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

Outline letter Case outline X D-14 (48-lead, 2.435" × .620" × .225") dual-in-line package Y (48-lead, 1.235" × .660" × .098") flat package (see figure 1) Z (52-terminal, .761" × .761" × .075") thin square chip carrier (see figure 2)

Supply voltage range- - - - - - - - - - - - - - - - - - - −0.5 V dc to +7.0 V dc Input voltage range - - - - - - - - - - - - - - - - - - - −0.5 V dc to +5.5 V dc DC voltage applied to outputs for high output state- - - - - - - - - - - - - - - - - - - - - - −.5 V dc to + V_CC maximum DC output current, into outputs - - - - - - - - - - - - - 30 mA DC input current - - - - - - - - - - - - - - - - - - - - −30 mA to +5.0 mA Storage temperature range - - - - - - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) 1/- - - - - - - - - - - - 2.173 W Lead temperature (soldering, 10 seconds)- - - - - - - - - +300°C Thermal resistance, junction-to-case (θ_JC): Case X - - - - - - - - - - - - - - - - - - - - - - - - See MIL-M-38510, appendix C Case Y - - - - - - - - - - - - - - - - - - - - - - - - 10°C/W 2/ Case Z - - - - - - - - - - - - - - - - - - - - - - - - 3°C/W 2/ Junction temperature (T_J) - - - - - - - - - - - - - - - - +175°C

Supply voltage (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) - - - - - - - - - - - 0.8 V dc Case operating temperature range (T_C) - - - - - - - - - - - −55°C to +125°C

intended Use: