SN74LS33D
- Mfr.Part #
- SN74LS33D
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC GATE NOR OPEN 4CH 2-IN 14SOIC
- Stock
- 78
- In Stock :
- 78
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- Manufacturer :
- Texas Instruments
- Product Category :
- Gates and Inverters
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Current - Output High, Low :
- - 24mA
- Number of Terminations :
- 14
- Thickness :
- 1.58mm
- Number of Inputs :
- 2
- Schmitt Trigger :
- No
- Number of Outputs :
- 1
- Output Current :
- 24mA
- JESD-609 Code :
- e4
- Logic Function :
- NOR
- Feature :
- Open Collector
- Mount :
- Surface Mount
- Propagation Delay :
- 32 ns
- Height :
- 1.75mm
- Voltage - Supply :
- 4.75V~5.25V
- Terminal Form :
- Gull wing
- Weight :
- 129.387224mg
- Factory Lead Time :
- 6 Weeks
- Length :
- 8.65mm
- Pin Count :
- 14
- Logic Level - High :
- 2V
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- 0°C~70°C
- Peak Reflow Temperature (Cel) :
- 260
- Packaging :
- Cut Tape (CT)
- Turn On Delay Time :
- 18 ns
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Base Part Number :
- 74LS33
- Max Propagation Delay @ V, Max CL :
- 32ns @ 5V, 45pF
- Series :
- 74LS
- Lead Free :
- Contains Lead
- Quiescent Current :
- 9.6mA
- ECCN Code :
- EAR99
- Number of Functions :
- 4
- Radiation Hardening :
- No
- Number of Pins :
- 14
- Pbfree Code :
- yes
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Operating Supply Voltage :
- 5V
- Mounting Type :
- Surface Mount
- Family :
- LS
- Supply Voltage :
- 5V
- Logic Type :
- NOR Gate
- Number of Elements :
- 4
- Terminal Position :
- Dual
- Power Supplies :
- 5V
- Logic Level - Low :
- 0.8V
- Width :
- 3.91mm
- Packing Method :
- TR
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Datasheets
- SN74LS33D

Gates and Inverters Texas Instruments SN74LS33D Overview
The Gates and Inverters Texas Instruments SN74LS33D is an essential component in modern electronic circuits, renowned for its efficiency and reliability. This IC integrates four independent 2-input NOR gates with open collector outputs into a single 14-SOIC package, providing a compact and efficient solution for a variety of digital logic applications. With its ability to handle higher voltages, which makes it versatile in different electrical environments, the SN74LS33D is a perfect choice for designers looking to enhance system reliability and performance.
SN74LS33D Features
- Four independent NOR gates
- Open collector outputs for extended voltage applications
- 14-SOIC package for compact integration
- Operating temperature range from 0°C to 70°C
- Compatible with TTL (Transistor-Transistor Logic) technology
SN74LS33D Applications
- Wired logic functions: Ideal for implementing wired logic which can be used to generate any logic function.
- Interface circuits: Can be used to interface different logic families by leveraging its open collector output to provide the necessary voltage translations.
- Signal conditioning: Useful in conditioning signals before they are fed into other circuits, helping to ensure integrity and reliability.
- Driving lamps and relays: Capable of driving devices such as lamps and relays directly with external voltage supply, making it suitable for various control applications.
- Pulse shaping: Employed in pulse shaping circuits to generate precise timing signals required in digital electronics.
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