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 54AS867 Synchronous 8-bit up/down counter with asynchronous clear

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

Outline letter Case outline K F-6 (24-lead, .640" × .420" × .090"), flat package L D-9 (24-lead, 1.280" × .310" × .200"), dual-in-line package 3 C-4 (28-terminal, .460" × .460" × .100"), square chip carrier package

Supply voltage range - - - - - - - - - - - - - −0.5 V dc minimum to +7.0 V dc maximum Input voltage range - - - - - - - - - - - - - −1.2 V dc at −18 mA to +7.0 V dc Storage temperature range - - - - - - - - - - −65°C to +150°C Maximum power dissipation (P_D) 1/ - - - - - - 1072.5 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) - - - - - - - - - - +175°C

Supply voltage range (V_CC) - - - - - - - - - - +4.5 V dc minimum to +5.5 V dc maximum Maximum low level input voltage (V_IL) - - - - +0.8 V dc Minimum high level input voltage (V_IH) - - - - +2.0 V dc Maximum high level output current (I_OH) - - - −2.0 mA Maximum low level output current (I_OL) - - - - 20 mA

Case operating temperature range (T_C) - - - - - - - - - - - −55°C to +125°C Clock frequency range (f_CLK) - - - - - - - - - - - - - - - 0 MHz to 40 MHz Minimum clock pulse duration (t_WCLK) - - - - - - - - - - - 12.5 ns Minimum clear pulse duration (S0 and S1 low) (t_WCLR) - - - 12.5 ns Minimum skew time between S0 and S1 (maximum to avoid inadvertent clear), (t_SKEW) - - - - - - - - - - 8.0 ns Setup time (t_s): 2/ Data inputs(A through H) - - - - - - - - - - - - - - - - 5.0 ns minimum Enable P ([E bar][N bar][P bar]) when changing from load 0's to count down for output, (QH) - - - - - - - - - - - - 23 ns minimum Enable P ([E bar][N bar][P bar]) when changing from load 0's to count down for output, (RCO) - - - - - - - - - - - 21 ns minimum Enable P ([E bar][N bar][P bar]) (all other conditions) or Enable T ([E bar][N bar][T bar]) - - - - - - - - - - - - - - - - - - - - 9.0 ns minimum S0 to S1 (load) - - - - - - - - - - - - - - - - - - - - - 11 ns minimum S0 to S1 (clear) - - - - - - - - - - - - - - - - - - - - 11 ns minimum S0 to S1 (count down) - - - - - - - - - - - - - - - - - - 42 ns minimum S0 to S1 (count up) - - - - - - - - - - - - - - - - - - - 42 ns minimum Hold time at any input with respect to CLK (t_h) - - - - - - 0.0 ns minimum

intended Use: