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54LS40LMQB Information
54LS40LMQB by Texas Instruments is a Gate.
Gates are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
US Tariff Estimator: 54LS40LMQB by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
54LS40LMQBTexas InstrumentsNAND Gate, LS Series, 2-Func, 4-Input, TTL, CQCC20
Part Life Cycle Code
Obsolete
Part Package Code
QLCC
Package Description
Qccn, Lcc20,.35sq
Pin Count
20
Reach Compliance Code
Unknown
HTS Code
8542.39.00.60
Additional Feature
Iol = 12ma @ Vol = 0.4v; Ioh = 1.2ma @ Voh = 2.5v
Family
Ls
JESD-30 Code
S-CQCC-N20
Length
8.89 Mm
Load Capacitance (CL)
15 Pf
Logic IC Type
Nand Gate
Max I(ol)
0.012 A
Number of Functions
2
Number of Inputs
4
Number of Terminals
20
Operating Temperature-Max
125 °C
Operating Temperature-Min
-55 °C
Package Body Material
Ceramic, Metal-Sealed Cofired
Package Code
QCCN
Package Equivalence Code
LCC20,.35SQ
Package Shape
Square
Package Style
Chip Carrier
Power Supply Current-Max (ICC)
6 Ma
Prop. Delay@Nom-Sup
24 Ns
Propagation Delay (tpd)
24 Ns
Qualification Status
Not Qualified
Schmitt Trigger
No
Screening Level
38535q/M;38534h;883b
Seated Height-Max
1.905 Mm
Supply Voltage-Max (Vsup)
5.5 V
Supply Voltage-Min (Vsup)
4.5 V
Supply Voltage-Nom (Vsup)
5 V
Surface Mount
Yes
Technology
Ttl
Temperature Grade
Military
Terminal Form
No Lead
Terminal Pitch
1.27 Mm
Terminal Position
Quad
Width
8.89 Mm
Alternate Parts for 54LS40LMQB
This table gives cross-reference parts and alternative options found for 54LS40LMQB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 54LS40LMQB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.