DLA - DESC-DWG-76015 REV E
MICROCIRCUIT, DIGITAL, LOW POWER SCHOTTKY TTL, COUNTER, MONOLITHIC SILICON
| Organization: | DLA |
| Publication Date: | 15 January 1986 |
| Status: | inactive |
| Page Count: | 12 |
scope:
This drawing describes the requirements for monolithic silicon, low-power Schottky TTL, counter microcircuits. This drawing provides a level of microcircuit quality and reliability assurance for acquisition of microcircuits in accordance with MIL-M-38510.
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 54LS197 50/30-MHz presettable decade or binary counter
The case outline shall be as designated in appendix C of MIL-M-38510, and as follows:
Outline letter Case outline C D-1 (14-lead, ¼″ × ¾″), dual-in-line package D F-2 (14-lead, ¼″ × ⅜″), flat-package
Supply voltage range - - - - - - - - - - - - - - −0.5 to +7.0 V dc Input voltage range- - - - - - - - - - - - - - - −1.5 V dc at −18 mA to 5.5 V dc Storage temperature range- - - - - - - - - - - - −65°C to +150°C Maximum power dissipation (PD) 1/ - - - - - - - 149 mW Lead temperature (soldering 10 seconds)- - - - - +300°C Thermal resistance, junction to case (θJC) - - - See MIL-M-38510, appendix C Junction temperature (TJ)- - - - - - - - - - - - +175°C
Supply voltage (VCC) - - - - - - - - - - - - - - 4.5 V dc minimum to 5.5 V dc maximum Minimum high level input voltage (VIH) - - - - - 2.0 V dc Maximum low level input voltage (VIL)- - - - - - 0.7 V dc Case operating temperature range (TC)- - - - - - −55°C to +125°C
intended Use:
Microcircuits conforming to this drawing are intended for use when military specifications do not exist and qualified military devices that will perform the required function are not available for... View More
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