SN74ALS27AD Texas Instruments Integrated Circuit (Other) In Stock
SN74ALS27AD is a triple 3-input NOR gate logic IC from Texas Instruments in the ALS family, featuring 8mA output sink current and 50pF load capacitance. From $0.79 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ALS27AD Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7936(MOQ 50)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74ALS27AD?
- Triple 3-input NOR gate in a single 14-pin SOIC package for compact board design
- ALS (Advanced Low-power Schottky) technology delivering high speed with low power consumption
- 8mA output sink current (I_OL) suitable for driving standard TTL and CMOS loads
- 50pF load capacitance rating ensures stable operation in high-frequency digital circuits
- RoHS-compliant (JESD-609 Code e4) plastic/epoxy package for green manufacturing
What is SN74ALS27AD used for?
The SN74ALS27AD is widely used in digital logic systems requiring NOR gate functions, such as address decoding, data bus control, and combinational logic circuits in industrial controllers and communication equipment. Its ALS technology makes it ideal for high-speed signal processing in embedded systems and programmable logic interfaces. It also serves as a building block in arithmetic logic units (ALUs), parity generators, and state-machine designs where low propagation delay and reliable logic output are critical.
What are the specifications of SN74ALS27AD?
| YTEOL | 0 |
| Family | ALS |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | NOR GATE |
| Max I(ol) | 0.008A |
| Number of Functions | 3 |
| Number of Inputs | 3 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 4mA |
| Prop. Delay@Nom-Sup | 15ns |
| Propagation Delay (tpd) | 9ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the SN74ALS27AD datasheet?
SN74ALS27AD Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74ALS27AD?
Compatible alternatives and drop-in replacements for SN74ALS27AD:
Frequently Asked Questions
What is the SN74ALS27AD and what does it do?
The SN74ALS27AD is a triple 3-input NOR gate integrated circuit from Texas Instruments' ALS (Advanced Low-power Schottky) logic family. It contains three independent NOR gates, each accepting three inputs, and outputs a logic HIGH only when all three inputs are LOW. It operates in a 14-pin SOIC package and is commonly used in digital logic design for address decoding and combinational logic circuits.
What are the key electrical specifications of the SN74ALS27AD?
The SN74ALS27AD features a maximum output sink current (I_OL) of 8mA, a load capacitance (CL) of 50pF, and belongs to the ALS logic family known for high-speed operation with low power dissipation. It is housed in a 14-pin R-PDSO-G14 (SOIC) package with a plastic/epoxy body and is RoHS-compliant with JESD-609 Code e4.
What are typical applications for the SN74ALS27AD?
The SN74ALS27AD is widely used in digital systems for functions such as address decoding, data bus control, combinational logic circuits, parity generation, and state-machine design. It is suitable for industrial controllers, embedded systems, communication equipment, and anywhere standard TTL or CMOS logic interfacing with NOR gate functionality is required.
What package does the SN74ALS27AD come in and are there alternative package options?
The SN74ALS27AD comes in a 14-pin SOIC (Small Outline Integrated Circuit) package, designated R-PDSO-G14. Texas Instruments also offers the SN74ALS27AN in a 14-pin DIP (Dual In-line Package) for through-hole applications, and the SN74ALS27AD is recommended for surface-mount PCB designs due to its compact footprint.
Where can I buy the SN74ALS27AD and what is the price?
The SN74ALS27AD is available from multiple authorized distributors worldwide, including Digi-Key, Mouser, and Arrow Electronics, with pricing starting from approximately $0.79 per unit for single quantities. Bulk pricing is available for larger orders. You can also submit a quote request on FindMyChip for competitive pricing and fast worldwide shipping.
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Why Buy from FindMyChip
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 |
|---|---|---|
| 50+ | $0.9962 | $49.81 |
| 100+ | $0.9430 | $94.30 |
| 250+ | $0.8868 | $221.70 |
| 100000+ | $0.7936 | $79360.00 |
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