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 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 01 54HCT273 Octal D-type flip flop with clear and TTL compatible inputs

The case outline(s) shall be as designated in appendix C of MIL-M-38510, and as follows:

Outline letter Case outline R D-8 (20-lead, 1.060" × .310" × .200"), dual-in-line package

Supply voltage range 1/ - - - - - - - - - - - - −0.5 V dc to 7.0 V dc DC input voltage (V_IN)- - - - - - - - - - - - - −0.5 V dc to V_CC + 0.5 V dc DC output voltage (V_OUT)- - - - - - - - - - - - −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) - - - - - - - - - - - - - - - 4.5 V dc to 5.5 V dc Case operating temperature range (T_C) - - - - - - −55°C to +125°C Input voltage range (V_IN)- - - - - - - - - - - - - 0.0 V dc to V_CC Output voltage range (V_OUT)- - - - - - - - - - - - 0.0 V dc to V_CC Input rise or fall time: V_CC = 4.5 V - - - - - - - - - - - - - - - - - - 0 to 500 ns Minimum setup time, data to clock (t_s): T_C = +25°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 20 ns T_C = −55°C to +125°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 30 ns Minimum clock pulse width (t_w): T_C = +25°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 20 ns T_C = −55°C to +125°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 30 ns Minimum hold time data to clock (t_h): T_C = 25°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 10 ns T_C = −55°C to +125°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 15 ns Maximum clock frequency (f_max): T_C = +25°C V_CC = 4.5 V - - - - - - - - - - - - - - - - 25 MHz T_C = −55°C to +125°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 16 MHz Minimum clear pulse width (t_w): T_C = +25°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 16 ns T_C = −55°C to +125°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 24 ns Minimum removal time, clear to clock (t_rem): T_C = +25°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 20 ns T_C = −55°C to +125°C: V_CC = 4.5 V - - - - - - - - - - - - - - - - 30 ns

intended Use: