scope:

This drawing describes device requirements for class B microcircuits in accordance with 1.2.1 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 types shall identify the circuit function as follows:

Device type Generic number Circuit 01 54ALS299 8-bit bidirectional universal shift/storage register with 3-state outputs 02 54ALS323 8-bit bidirectional universal shift/storage register with 3-state outputs

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

Outline letter Case outline R D-8 (20-lead, ¼" × 1 1/16"), dual-in-line package S F-9 (20-lead, ¼" × ½"), flat package 2 C-2 (20-terminal, .350" × .350"), square chip carrier package

Supply voltage range - - - - - - - - - - - - - - - - −0.5 V dc to +7.0 V dc Input voltage range - - - - - - - - - - - - - - - - - −1.5 V dc at −18 mA to +7.0 V dc I/O Ports - - - - - - - - - - - - - - - - - 5.5 V dc maximum Storage temperature - - - - - - - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) per device 1/ - - - - 220 mW Lead temperature (soldering, 10 seconds) - - - - - - +300°C Thermal resistance, junction-to-case (θ_JC): Cases R and S - - - - - - - - - - - - - - - - - - - See MIL-M-38510, appendix C Case 2 - - - - - - - - - - - - - - - - - - - - - - 80°C/W 2/ Junction temperature (T_J) - - - - - - - - - - - - - - +175°C

Supply voltage (V_CC) - - - - - - - - - - - - - - - - 4.5 V dc minimum to 5.5 V dc maximum Minimum high level input voltage (V_IH) - - - - - - - 2.0 V dc Maximum low level input voltage (V_IL)- - - - - - - - 0.7 V dc Case operating temperature range (T_C)- - - - - - - - −55°C to +125°C Minimum clock pulse width: Device type 01: Case R - - - - - - - - - - - - - - - - - - - - - 22 ns Cases S and 2- - - - - - - - - - - - - - - - - - 22 ns Device type 02: Cases R, S, and 2- - - - - - - - - - - - - - - - 20 ns Minimum clear pulse width: Device type 01 - - - - - - - - - - - - - - - - - - 12 ns Minimum clear inactive state pulse width: Device type 01 - - - - - - - - - - - - - - - - - - 15 ns Minimum clear pulse data setup time: Device type 02: Low (active) - - - - - - - - - - - - - - - - - - 25 ns High (inactive)- - - - - - - - - - - - - - - - - 18 ns Minimum setup time at select (S0 S1) - - - - - - - - 25 ns Minimum setup time: High level data (SL, SR, A - H) - - - - - - - - - 18 ns Low level data (SL, SR, A - H) - - - - - - - - - 15 ns Minimum hold time (S0, S1, SL, SR, A - H)- - - - - - 0 ns

intended Use: