| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SN74LS33D | Texas Instruments | $0.7754 | NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14 | SN74LS33DR vs SN74LS33D |
| SN74LS33DRG4 | Texas Instruments | Check for Price | NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14 | SN74LS33DR vs SN74LS33DRG4 |
| SN74LS33DRE4 | Texas Instruments | Check for Price | NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14 | SN74LS33DR vs SN74LS33DRE4 |
| DM74LS33MX | Rochester Electronics LLC | Check for Price | NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14 | SN74LS33DR vs DM74LS33MX |
| DM74LS33MX | Fairchild Semiconductor Corporation | Check for Price | NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14 | SN74LS33DR vs DM74LS33MX |
| 74LS33SC | Fairchild Semiconductor Corporation | Check for Price | NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14 | SN74LS33DR vs 74LS33SC |
| SN74LS33DE4 | Texas Instruments | Check for Price | NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14 | SN74LS33DR vs SN74LS33DE4 |
| DM74LS33M | Fairchild Semiconductor Corporation | Check for Price | NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14 | SN74LS33DR vs DM74LS33M |
Part Details for SN74LS33DR by Texas Instruments
Results Overview of SN74LS33DR by Texas Instruments
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (8 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (7 options)
- CAD Models: (Available)
- 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
Education and Research
Financial Technology (Fintech)
Healthcare
SN74LS33DR Information
SN74LS33DR 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 SN74LS33DR
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
86027959
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Verical | NOR Gate 4-Element 2-IN 14-Pin SOIC T/R RoHS: Compliant Min Qty: 223 Package Multiple: 1 Date Code: 9901 | Americas - 5000 |
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$1.4000 / $1.6875 | Buy Now |
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DISTI #
595-SN74LS33DR
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Mouser Electronics | Logic Gates Quad 2-input Positiv e-NOR buffer A 595- A 595-SN74LS33D RoHS: Compliant | 1518 |
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$1.0700 / $2.1500 | Buy Now |
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Rochester Electronics | Logic IC NOR Gate 4 Element 5V 14-SOIC T/R RoHS: Compliant Status: Active Min Qty: 1 | 5000 |
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$0.8370 / $1.3500 | Buy Now |
US Tariff Estimator: SN74LS33DR 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.
SN74LS33DR CAD Models
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SN74LS33DR Part Data Attributes
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SN74LS33DR
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
SN74LS33DR
Texas Instruments
NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | SOIC | |
| Package Description | Soic-14 | |
| Pin Count | 14 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Family | Ls | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e4 | |
| Length | 8.65 Mm | |
| Load Capacitance (CL) | 45 Pf | |
| Logic IC Type | Nor Gate | |
| Max I(ol) | 0.048 A | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 4 | |
| Number of Inputs | 2 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Characteristics | Open-Collector | |
| 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) | 13.8 Ma | |
| Prop. Delay@Nom-Sup | 32 Ns | |
| Propagation Delay (tpd) | 28 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 (Ni/Pd/Au) | |
| 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 SN74LS33DR
This table gives cross-reference parts and alternative options found for SN74LS33DR. 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 SN74LS33DR, 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.
SN74LS33DR Frequently Asked Questions (FAQ)
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The maximum operating frequency of the SN74LS33DR is typically around 30-40 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, using a thermally conductive PCB material, and keeping the device within its recommended operating temperature range (0°C to 70°C).
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The SN74LS33DR is a 5V device, but it can be used in 3.3V or 1.8V systems with some limitations. However, the output voltage levels may not be compatible with 3.3V or 1.8V logic, and the device's performance may be degraded. It's recommended to use a level translator or voltage regulator to ensure compatibility.
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The maximum input voltage that the SN74LS33DR can tolerate is 7V, but it's recommended to keep the input voltage within the recommended operating range (0V to 5.5V) to ensure reliable operation.
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To handle ESD protection for the SN74LS33DR, it's recommended to follow proper ESD handling procedures, such as using an ESD wrist strap, ESD mat, or ESD bag, and ensuring that the device is properly grounded during handling and assembly.