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 54ACT251 8-input multiplexer with three state outputs, TTL compatible inputs

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

Outline letter Case outline E D-2 (16-lead, .840" × .310" × .200"), dual-in-line package F F-5 (16-lead, .440" × .285" × .085"), flat package 2 C-2 (20-terminal, .358" × .358" × .100"), square chip carrier package

Supply voltage range (V_CC) 1/ - - - - - - - - - - - - −0.5 V dc to +6.0 V dc DC input voltage 1/ - - - - - - - - - - - - - - - - - −0.5 V dc to V_CC +0.5 V dc DC output voltage 1/ - - - - - - - - - - - - - - - - - −0.5 V dc to V_CC +0.5 V dc DC input diode current - - - - - - - - - - - - - - - - ±20 mA DC output diode current (per pin) - - - - - - - - - - ±50 mA DC V_CC or GND current - - - - - - - - - - - - - - - - ±100 mA Storage temperature range - - - - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) - - - - - - - - - - - - 500 mW Lead temperature (soldering, 10 seconds) - - - - - - - +300°C Thermal resistance, junction-to-case (θ_JC) - - - - - - See MIL-M-38510, appendix C Junction temperature (T_J) 2/ - - - - - - - - - - - - - +175°C

Supply voltage (V_CC) - - - - - - - - - - - - - - - - 4.5 V dc to 5.5 V dc Input voltage - - - - - - - - - - - - - - - - - - - 0.0 V dc to V_CC Output voltage - - - - - - - - - - - - - - - - - - - 0.0 V dc to V_CC Case operating temperature range (T_C)- - - - - - - - −55°C to +125°C Input rise or fall times: V_CC = 4.5 - - - - - - - - - - - - - - - - - - - - 0.0 to 24 ns (10-90%, 10ns/V) V_CC = 5.5 V - - - - - - - - - - - - - - - - - - - 0.0 to 20 ns (10-90%, 8ns/V)

intended Use: