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74HC540 Octal Inverting Buffer, 3-State

2 interchangeable 74HC540 parts (octal inverting buffer, 3-state) from 2 manufacturer(s), 74HC family.

Anything on this page is the same logical part: function code 540 (Octal Inverting Buffer, 3-State) in the 74HC family. Pick by package and manufacturer.

Members

Part page Manufacturer Package
MC74HC540ADWG onsemi SOIC-20-300mil
SN74HC540 Texas Instruments SOIC-20

The 74HC family

The workhorse CMOS family. Wide supply range, full rail-to-rail outputs, CMOS input thresholds (Vih ≈ 0.7·Vcc). Sometimes marketed as MM74HC by Onsemi/Fairchild and MC74HC by Onsemi.

Supply range 2.0 to 6.0 V (typ. 5.0 V)
Input threshold CMOS
5 V tolerant inputs no
Speed class fast

Provenance

Grouped by component-ocean's logic-ics parser (definitions/logic-ics/), which resolves each vendor MPN to a family_id. Membership is recomputed from the published pages; it is not hand-curated.