| 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 Details for 54LS21DMQB by Texas Instruments
Results Overview of 54LS21DMQB by Texas Instruments
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
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 Part Data Attributes
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54LS21DMQB
Texas Instruments
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Datasheet
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54LS21DMQB
Texas Instruments
AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14
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| 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.