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Technical Data Sheet
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HD44820B27 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HD44820B27: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include design_function_and_quantity: 1 MEMORY, READ ONLY AND 1 MEMORY, RANDOM ACCESS. This part is cataloged in the U.S.

Government catalog under NSN 5962-01-311-1920, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HD44820B27
NSN: 5962-01-311-1920
FSC: 5962 — Microcircuits, Electronic
CAGE: 62786 — HITACHI AMERICA LTD DBA HITACHI COMPUTER PRODUCTS AMERICA INC (USA)
SPECIFICATIONS
design_function_and_quantity1 MEMORY, READ ONLY AND 1 MEMORY, RANDOM ACCESS
NSN5962-01-311-1920
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN HD44820B27 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
DESIGN FUNCTION AND QUANTITY: 1 MEMORY, READ ONLY AND 1 MEMORY, RANDOM ACCESS
TECHNICAL CHARACTERISTICS
DESIGN FUNCTION AND QUANTITY1 MEMORY, READ ONLY AND 1 MEMORY, RANDOM ACCESS
OTHER ITEMS IN FSC 5962 — Microcircuits, Electronic
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5962-00-001-1861 5962-00-001-1901 5962-00-001-1902 5962-00-001-1905 5962-00-001-1906 5962-00-001-1907 5962-00-001-1908 5962-00-001-1909
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is HD44820B27?
HD44820B27 is a MICROCIRCUIT,DIGITAL.
What is the NSN for HD44820B27?
HD44820B27 is cataloged in the U.S. Government catalog under NSN 5962-01-311-1920. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.