SN74ALS33AD Texas Instruments In Stock
SN74ALS33AD is a quad 2-input NAND gate (open collector) logic IC by Texas Instruments. Key specs: ALS logic family, 5V supply, 14-pin SOIC package. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $2.1900(MOQ 500)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74ALS33AD?
- Quad 2-input NAND gates with open collector outputs for wired-AND configurations
- Advanced Low-power Schottky (ALS) technology for improved speed-power performance
- Wide operating voltage range of 4.5V to 5.5V for robust system integration
- 14-pin SOIC (D) package for compact PCB footprint
- Compatible with TTL and CMOS logic levels for flexible interfacing
What is SN74ALS33AD used for?
SN74ALS33AD is widely used in digital logic systems requiring open-collector NAND gate functionality, such as bus drivers, data multiplexing, and wired-AND logic applications. Its ALS technology makes it suitable for high-speed computing, industrial control systems, and telecommunications equipment where low power consumption and fast switching are critical. The open collector outputs allow multiple devices to share a single output line, ideal for interrupt handling and multi-master bus architectures.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for SN74ALS33AD?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74ALS33AD and what logic function does it perform?
The SN74ALS33AD is a quad 2-input NAND gate IC with open collector outputs from Texas Instruments. It contains four independent NAND gates, each with two inputs and one open-collector output. The device operates on a 5V supply and uses Advanced Low-power Schottky (ALS) technology for fast switching with reduced power consumption.
What are the key electrical specifications of the SN74ALS33AD?
The SN74ALS33AD operates with a supply voltage (VCC) of 4.5V to 5.5V. It features propagation delay times typically around 7ns, maximum IOL (output low sink current) of 24mA per output, and operating temperature range of 0°C to 70°C. The open collector outputs require external pull-up resistors to set the output high voltage level.
What package does the SN74ALS33AD use and how does it differ from similar parts?
The SN74ALS33AD comes in a 14-pin SOIC (Small Outline Integrated Circuit) D package, suitable for surface-mount applications. It differs from the SN74ALS03A (which is in a DIP package) and the SN74LS33 (standard LS family) by offering the ALS family's improved speed-power performance. The 'D' suffix specifically denotes the SOIC package variant.
What are typical applications for the SN74ALS33AD?
The SN74ALS33AD is commonly used in wired-AND bus configurations, interrupt controller circuits, and open-collector output driving applications. Its open-collector outputs make it ideal for driving LEDs, relays, and other loads requiring higher sink current. It is also used in data communication systems, industrial control equipment, and any design requiring NAND logic with bus-sharing capability.
How do I select a replacement or alternative for the SN74ALS33AD?
Compatible alternatives for the SN74ALS33AD include the SN74LS33AD (standard LS family, same pinout), SN74HCT03 (CMOS-compatible, open drain), and SN74ALS03AD (same ALS family, single output configuration). When selecting a replacement, ensure the logic family voltage levels, propagation delay, and output type (open collector vs. totem-pole) are compatible with your circuit design requirements.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 500+ | $2.4700 | $1235.00 |
| 1000+ | $2.3300 | $2330.00 |
| 10000+ | $2.1900 | $21900.00 |
In Stock · 24h Response · Worldwide Shipping
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