Datasheets
54LS21DMQB by:
Texas Instruments

AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14

Part Details for 54LS21DMQB by Texas Instruments

Results Overview of 54LS21DMQB by Texas Instruments

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54LS21DMQB Information

54LS21DMQB 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: 54LS21DMQB 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.

54LS21DMQB
Texas Instruments
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54LS21DMQB Part Data Attributes

54LS21DMQB Texas Instruments
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54LS21DMQB Texas Instruments AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14
Part Life Cycle Code Obsolete
Package Description Dip, Dip14,.3
Reach Compliance Code Unknown
HTS Code 8542.39.00.60
Family Ls
JESD-30 Code R-GDIP-T14
Length 19.43 Mm
Load Capacitance (CL) 15 Pf
Logic IC Type And Gate
Max I(ol) 0.004 A
Number of Functions 2
Number of Inputs 4
Number of Terminals 14
Operating Temperature-Max 125 °C
Operating Temperature-Min -55 °C
Package Body Material Ceramic, Glass-Sealed
Package Code DIP
Package Equivalence Code DIP14,.3
Package Shape Rectangular
Package Style In-Line
Power Supply Current-Max (ICC) 4.4 Ma
Prop. Delay@Nom-Sup 18 Ns
Propagation Delay (tpd) 11 Ns
Qualification Status Not Qualified
Schmitt Trigger No
Screening Level 38535q/M; 38534h; 883b
Seated Height-Max 5.08 Mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount No
Technology Ttl
Temperature Grade Military
Terminal Form Through-Hole
Terminal Pitch 2.54 Mm
Terminal Position Dual
Width 7.62 Mm

Alternate Parts for 54LS21DMQB

This table gives cross-reference parts and alternative options found for 54LS21DMQB. 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 54LS21DMQB, 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.

Part Number Manufacturer Composite Price Description Compare
SN74ALS21NP1 Texas Instruments Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, PDIP14 54LS21DMQB vs SN74ALS21NP1
M38510/31003BCA National Semiconductor Corporation Check for Price AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs M38510/31003BCA
SN54ALS21J Texas Instruments Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs SN54ALS21J
SNJ54LS21J Texas Instruments Check for Price AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs SNJ54LS21J
54LS21DM Texas Instruments Check for Price AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs 54LS21DM
54LS21DM Rochester Electronics LLC Check for Price AND Gate 54LS21DMQB vs 54LS21DM
SN74ALS21J Motorola Semiconductor Products Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs SN74ALS21J
54LS21DMQB National Semiconductor Corporation Check for Price AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs 54LS21DMQB
SNJ54ALS21J Rochester Electronics LLC Check for Price AND Gate 54LS21DMQB vs SNJ54ALS21J
SN54ALS21J Rochester Electronics LLC Check for Price AND Gate 54LS21DMQB vs SN54ALS21J
Part Number Manufacturer Composite Price Description Compare
SN54ALS21J Rochester Electronics LLC Check for Price AND Gate 54LS21DMQB vs SN54ALS21J
SN74ALS21ADP3 Texas Instruments Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, PDSO14 54LS21DMQB vs SN74ALS21ADP3
SN74ALS21FN Texas Instruments Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, PQCC20 54LS21DMQB vs SN74ALS21FN
SN54ALS21FH Rochester Electronics LLC Check for Price AND Gate 54LS21DMQB vs SN54ALS21FH
SN74ALS21AN3 Texas Instruments Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, PDIP14 54LS21DMQB vs SN74ALS21AN3
SN74ALS21FN-00 Texas Instruments Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, PQCC20 54LS21DMQB vs SN74ALS21FN-00
SN54ALS21J Texas Instruments Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs SN54ALS21J
SN74ALS21ANP3 Texas Instruments Check for Price AND Gate, ALS Series, 2-Func, 4-Input, TTL, PDIP14 54LS21DMQB vs SN74ALS21ANP3
74LS21DCQM Fairchild Semiconductor Corporation Check for Price AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs 74LS21DCQM
54LS21DMQB Rochester Electronics LLC Check for Price AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14 54LS21DMQB vs 54LS21DMQB
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