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 01 54HC73 Dual J-K flip-flop with reset

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

Outline letter Case outline C D-1 (14-lead, .785" × .310" × .200"), dual-in-line package 2 C-2 (20 terminal, .358" × .358" × .100"), square chip carrier package

Supply voltage range - - - - - - - - - - - - - - - −0.5 V dc to +7.0 V dc DC input voltage - - - - - - - - - - - - - - - - - −0.5 V dc to V_CC +0.5 V dc DC output voltage- - - - - - - - - - - - - - - - - −0.5 V dc to V_CC +0.5 V dc Clamp diode current- - - - - - - - - - - - - - - - ±20 mA DC output current (per pin) - - - - - - - - - - - ±25 mA DC V_CC or GND current (per pin) - - - - - - - - - ±50 mA Storage temperature range - - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) - - - - - - - - - - 500 mW 2/ Lead temperature (soldering, 10 seconds) - - - - - +260°C Thermal resistance, junction-to-case (θ_JC) - - - - See MIL-M-38510, appendix C Junction temperature (T_J) - - - - - - - - - - - - +175°C

Supply voltage (V_CC) - - - - - - - - - - - - - - - +2.0 V dc to +6.0 V dc Case operating temperature range (T_C) - - - - - - −55°C to +125°C Input rise or fall time: V_CC = 2.0 V- - - - - - - - - - - - - - - - - - - 0 to 1,000 ns V_CC = 4.5 V- - - - - - - - - - - - - - - - - - - 0 to 500 ns V_CC = 6.0 V- - - - - - - - - - - - - - - - - - - 0 to 400 ns

Minimum setup time, J or K to clock (t_s): T_C = +25°C, V_CC = 2.0 V - - - - - - - - - - - 100 ns V_CC = 4.5 V - - - - - - - - - - - 20 ns V_CC = 6.0 V - - - - - - - - - - - 17 ns T_C = −55°C/+125°C, V_CC = 2.0 V - - - - - - - - - - - 150 ns V_CC = 4.5 V - - - - - - - - - - - 30 ns V_CC = 6.0 V - - - - - - - - - - - 26 ns Minimum recovery time, reset inactive to clock (t_rec): T_C = +25°C, V_CC = 2.0 V - - - - - - - - - - - 100 ns V_CC = 4.5 V - - - - - - - - - - - 20 ns V_CC = 6.0 V - - - - - - - - - - - 17 ns T_C = −55°C/+125°C, V_CC = 2.0 V - - - - - - - - - - - 150 ns V_CC = 4.5 V - - - - - - - - - - - 30 ns V_CC = 6.0 V - - - - - - - - - - - 26 ns Minimum clock pulse width (t_w): T_C = +25°C, V_CC = 2.0 V - - - - - - - - - - - 90 ns V_CC = 4.5 V - - - - - - - - - - - 18 ns V_CC = 6.0 V - - - - - - - - - - - 15 ns T_C = −55°C/+125°C, V_CC = 2.0 V - - - - - - - - - - - 135 ns V_CC = 4.5 V - - - - - - - - - - - 27 ns V_CC = 6.0 V - - - - - - - - - - - 23 ns Minimum reset pulse width (t_w): T_C = +25°C, V_CC = 2.0 V - - - - - - - - - - - 100 ns V_CC = 4.5 V - - - - - - - - - - - 20 ns V_CC = 6.0 V - - - - - - - - - - - 17 ns T_C = −55°C/+125°C, V_CC = 2.0 V - - - - - - - - - - - 150 ns V_CC = 4.5 V - - - - - - - - - - - 30 ns V_CC = 6.0 V - - - - - - - - - - - 26 ns Minimum hold time, clock to J or K (t_h): T_C = +25°C, V_CC = 2.0 V - - - - - - - - - - - 25 ns V_CC = 4.5 V - - - - - - - - - - - 5 ns V_CC = 6.0 V - - - - - - - - - - - 5 ns T_C = −55°C/+125°C, V_CC = 2.0 V - - - - - - - - - - - 40 ns V_CC = 4.5 V - - - - - - - - - - - 8 ns V_CC = 6.0 V - - - - - - - - - - - 7 ns Maximum clock frequency (f_max): T_C = +25°C, V_CC = 2.0 V - - - - - - - - - - - 5.4 MHz V_CC = 4.5 V - - - - - - - - - - - 27 MHz V_CC = 6.0 V - - - - - - - - - - - 32 MHz T_C = −55°C/+125°C, V_CC = 2.0 V - - - - - - - - - - - 3.6 MHz V_CC = 4.5 V - - - - - - - - - - - 18 MHz V_CC = 6.0 V - - - - - - - - - - - 21 MHz

intended Use: