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Part Details for SN74LS21DRG4 by Texas Instruments
Results Overview of SN74LS21DRG4 by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (2 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (8 options)
- 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.
Applications
Energy and Power Systems
SN74LS21DRG4 Information
SN74LS21DRG4 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.
Price & Stock for SN74LS21DRG4
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Peripheral ICs | 1314 |
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RFQ |
Part Details for SN74LS21DRG4
SN74LS21DRG4 CAD Models
SN74LS21DRG4 Part Data Attributes
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SN74LS21DRG4
Texas Instruments
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Datasheet
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SN74LS21DRG4
Texas Instruments
Dual 4-input positive-AND gates 14-SOIC 0 to 70
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Package Description | SOP, SOP14,.25 | |
| Pin Count | 14 | |
| Reach Compliance Code | compliant | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Family | LS | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e4 | |
| Length | 8.65 mm | |
| Load Capacitance (CL) | 15 pF | |
| Logic IC Type | AND GATE | |
| Max I(ol) | 0.008 A | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 2 | |
| Number of Inputs | 4 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP14,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Packing Method | TR | |
| Peak Reflow Temperature (Cel) | 260 | |
| Power Supply Current-Max (ICC) | 4.4 mA | |
| Prop. Delay@Nom-Sup | 20 ns | |
| Propagation Delay (tpd) | 20 ns | |
| Qualification Status | Not Qualified | |
| Schmitt Trigger | NO | |
| Seated Height-Max | 1.75 mm | |
| Supply Voltage-Max (Vsup) | 5.25 V | |
| Supply Voltage-Min (Vsup) | 4.75 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | YES | |
| Technology | TTL | |
| Temperature Grade | COMMERCIAL | |
| Terminal Finish | NICKEL PALLADIUM GOLD | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 mm |
Alternate Parts for SN74LS21DRG4
This table gives cross-reference parts and alternative options found for SN74LS21DRG4. 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 SN74LS21DRG4, 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 |
|---|---|---|---|---|
| SN74LS21DR2 | Motorola Mobility LLC | Check for Price | LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, PLASTIC, SOIC-14 | SN74LS21DRG4 vs SN74LS21DR2 |
| SN74LS21D | Motorola Semiconductor Products | Check for Price | AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, SOIC-14 | SN74LS21DRG4 vs SN74LS21D |
SN74LS21DRG4 Frequently Asked Questions (FAQ)
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The maximum operating frequency of the SN74LS21DRG4 is typically around 25 MHz, but it can vary depending on the specific application and operating conditions.
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To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its recommended temperature range (-40°C to 85°C).
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The recommended power-on sequence for the SN74LS21DRG4 is to apply power to the VCC pin first, followed by the input signals. This helps to prevent unwanted latch-up or oscillation during power-up.
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To minimize EMI and EMC issues, it's essential to follow proper PCB design practices, such as using ground planes, shielding, and decoupling capacitors. Additionally, ensure that the device is operated within its recommended operating conditions and that the system is designed to meet relevant EMI and EMC standards.
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The recommended storage temperature range for the SN74LS21DRG4 is -65°C to 150°C. Storage outside of this range can affect the device's reliability and performance.