The Microcircuit,digital, cataloged under National Stock Number 5962-01-154-4292, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is National Semiconductor Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-154-4292 |
| Primary Part Number | 54LS259DMQB |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Input Circuit Pattern | 6 INPUT |
| Inclosure Material | CERAMIC |
| Design Function and Quantity | 1 LATCH, ADDRESSABLE |
| Body Width | 0.245 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN |
| Body Height | 0.185 INCHES NOMINAL IN |
| Features Provided | HIGH SPEED |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | TRANSISTOR-TRANSISTOR LOGIC |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Time Rating Per Chacteristic | 30.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 24.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 54LS259DMQB | National Semiconductor Corporation (USA) |
| 78U057M002 | Leonardo S.p.a. Div Electronics (ITA) |
| 52564 00347 | Thales Deutschland Gmbh Div Customer Services (DEU) |
| 78U057M002 | Leonardo S.p.a Land & Naval Defence Electronics Division (ITA) |
| Reference | Meaning |
|---|---|
| 54LS259DMQB | 3/9 Design control — primary reference Fairchild Semiconductor Corp |
| 54LS259/BEBJC | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 78U057M002 | 5/9 Secondary reference Alenia Difesa Spa Divisione Sistemi Avionici Ed Equipaggiamenti Unita' Gf-Sistemi Avionici |
NSN 5962-01-154-4292 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-154-4292 has 4 manufacturer part numbers on file: 54LS259DMQB (National Semiconductor Corporation), 78U057M002 (Leonardo S.p.a. Div Electronics), 52564 00347 (Thales Deutschland Gmbh Div Customer Services), 78U057M002 (Leonardo S.p.a Land & Naval Defence Electronics Division).
Key specifications for 54LS259DMQB: Input Circuit Pattern: 6 INPUT; Inclosure Material: CERAMIC; Design Function and Quantity: 1 LATCH, ADDRESSABLE; Body Width: 0.245 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5962-01-154-4292 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.