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 complaint 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 UT1553B BCRTM Bus controller, remote terminal and monitor

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

Outline letter Case outline X P-BC (84-pin, 1.135" × 1.135" × .345"), pin grid array package Y C-G6 (84-terminal, 1.167" × 1.167" × .135"), leaded chip carrier with unformed leads Z C-8 (84-terminal, 1.165" × 1.165" × .120"), square chip carrier package

Supply voltage range - - - - - - - - - - - - - - - - - - - - - - - −0.3 V to +7.0 V DC input/dc output voltage range (V_I/O) - - - - - - - - - - - - - - −0.3 V to (V_DD +0.3 V) DC input current (I_I) - - - - - - - - - - - - - - - - - - - - - - - ±10 mA Storage temperature range - - - - - - - - - - - - - - - - - - - - - −65°C to +150°C Lead temperature (soldering, 10 seconds)- - - - - - - - - - - - - - +300°C Maximum power dissipation, (P_D) 1/- - - - - - - - - - - - - - - - - 300 mW Maximum junction temperature (T_J) - - - - - - - - - - - - - - - - - +175°C Thermal resistance, junction-to-case (Θ_JC) - - - - - - - - - - - - See MIL-M-38510, appendix C Latchup immunity (I_LU) - - - - - - - - - - - - - - - - - - - - - - ±150 mA Duty cycle - - - - - - - - - - - - - - - - - - - - - - - - - - - - 50 ±10 percent

Supply voltage (V_DD) - - - - - - - - - - - - - - - - - - - - - - 4.5 V to 5.5 V Case operating temperature range (T_C) - - - - - - - - - - - - - −55°C to +125°C Operating frequency (f_O) - - - - - - - - - - - - - - - - - - - - 12 MHz ± .01 percent

intended Use: