scope:

This drawing describes device requirements fop 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 PIN shall be as shown in the following example:

The device type(s) shall identify the circuit function as follows:

Device type Generic number Circuit function Frequency 01 80C187-10 80-bit numeric processor extension 10 MHz 02 80C187-12 80-bit numeric processor extension 12 MHz

The case outline(s) shall be as designated in MIL-STD-1835, and as follows:

Outline letter Descriptive designator Terminals Package style Q GD1P1-T40 or CD1P2-T40 40 Dual-in-line package X See figure 1 68 Ceramic quad flat package

Storage temperature range - - - - - - - - - - - - - - - - - - - - - - - - - - - - −65°C to +150°C Voltage on any pin (respect to ground) - - - - - - - - - - - - - - - - - - - - - −0.5 V to V_CC + 0.5 V Maximum power dissipation (P_D) - - - - - - - - - - - - - - - - - - - - - - - - - 750 mW Lead temperature (soldering 10 seconds) - - - - - - - - - - - - - - - - - - - - - +275°C Thermal resistance, junction-to-case (Θ_JC): Case Q - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - See MIL-STD-1835 Case X - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8.5°C/W Junction Temperature (T_J) - - - - - - - - - - - - - - - - - - - - - - - - - - - - +150°C

Case operating temperature range - - - - - - - - - - - - - - - - - - - - - - - - −55°C to +125°C Supply voltage (V_CC)- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4.75 V dc to 5.2 V dc Frequency of operation: Device type 01 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10 MHz Device type 02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12.5 MHz

intended Use: