The 54LS40FMQB is a NAND gate from the * series, a logic device used for basic combinational gating in digital circuits.
No stock or price figures are listed here because those change daily — submit an RFQ for the real numbers.
54LS40FMQB NAND Gate, Active, Bulk Package
MPN54LS40FMQB
End of Life
54LS40FMQB, * series, NAND Gate, Active lifecycle, Bulk package.
$0.94Ref. price · indicative, final on quote
RoHSNot applicable
Series*
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | * |
| Package | Bulk |
Product details
Frequently asked questions
What is the datasheet for 54LS40FMQB?
Buyers need pin assignments, timing, and electrical characteristics before design-in or replacement.
Where can I buy 54LS40FMQB in stock?
Sourcing buyers need immediate availability to fill BOM lines or repair orders.
What is the price of 54LS40FMQB?
Budget and cost comparison directly influences purchasing decisions.
Is the 54LS40FMQB obsolete or still active?
Lifecycle status determines long-term support and risk of end-of-life for designs.
What is a replacement or equivalent for 54LS40FMQB?
When a part is unavailable, cross-reference or substitute is needed to avoid redesign.
What are the pinout and specifications of 54LS40FMQB?
Design engineers must verify footprint compatibility and electrical compatibility before use.