SN74LS09DR Texas Instruments In Stock
SN74LS09DR is a quad 2-input AND gate with open-collector outputs by Texas Instruments. Key specs: 4 independent AND gates, open-collector outputs supporting wired-AND configurations, 5V supply, TTL-compatible inputs. From $0.18, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.1844(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74LS09DR?
- Quad 2-input AND gate with open-collector outputs for flexible wired-AND bus configurations
- TTL-compatible inputs with standard 5V supply operation
- Low-power Schottky (LS) technology for reduced power consumption and improved switching speed
- SOIC-14 (DR) package for easy PCB integration and automated assembly
- Active-LOW open-collector outputs capable of sinking current from multiple devices
What is SN74LS09DR used for?
The SN74LS09DR is widely used in digital logic systems where wired-AND bus structures are required, such as interrupt lines and data buses in microcontroller and microprocessor designs. It is also applied in signal conditioning, level translation, and glue logic circuits across industrial control, consumer electronics, and telecommunications equipment. Its open-collector outputs make it ideal for driving indicator LEDs, relays, and other loads directly from logic-level signals.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for SN74LS09DR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74LS09DR and what does it do?
The SN74LS09DR is a quad 2-input AND gate IC from Texas Instruments with open-collector outputs. It contains four independent AND gates, each with two inputs. The open-collector outputs allow multiple outputs to be wire-ANDed together on a shared bus, making it ideal for systems requiring combined logic signals without additional glue logic.
What are the key electrical specifications of the SN74LS09DR?
The SN74LS09DR operates on a 5V supply voltage with TTL-compatible input thresholds (VIH ≥ 2V, VIL ≤ 0.8V). Its open-collector outputs can sink up to 8mA and support output voltages up to 5.5V when off. Propagation delay is typically 11ns, and the device draws low quiescent current thanks to Low-power Schottky technology.
What package does the SN74LS09DR come in?
The SN74LS09DR uses a 14-pin SOIC (Small Outline Integrated Circuit) package, indicated by the 'DR' suffix. This surface-mount package has a 3.9mm body width and 1.27mm pin pitch, making it compatible with standard SMT assembly processes and suitable for compact PCB designs.
What are typical applications for the SN74LS09DR?
The SN74LS09DR is commonly used in wired-AND bus configurations for interrupt lines, I2C-like open-drain buses, and data multiplexing in digital systems. It also serves in industrial control logic, microcontroller interface circuits, LED and relay drivers, and general-purpose TTL glue logic where open-collector AND functionality is needed.
Are there compatible replacements or alternatives for the SN74LS09DR?
Compatible alternatives for the SN74LS09DR include the 74HC09 (CMOS version for wider supply range 2V–6V), SN74ALS09 (Advanced Low-power Schottky for faster speed), and MM74LS09 from ON Semiconductor. For open-drain CMOS equivalents, the 74HCT09 offers TTL-compatible inputs while operating at CMOS power levels.
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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.
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| Qty. | Unit Price | Ext. Price |
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| 1+ | $0.6600 | $0.66 |
| 29+ | $0.4390 | $12.73 |
| 118+ | $0.2469 | $29.13 |
| 407+ | $0.2107 | $85.75 |
| 880+ | $0.1844 | $162.27 |
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