SN74LS297NIn StockTexas Instruments
SN74LS297N is a TTL logic circuit IC in a 16-pin DIP package with 27 parametric specs. Features low-power Schottky logic design for reliable digital applications. From $18.86, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN74LS297N Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $18.8625(MOQ 13)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- TTL LS-family logic circuit in 16-pin DIP package for easy through-hole integration
- Low output current (Iol = 24mA) ensuring compatibility with standard TTL logic levels
- Plastic/epoxy DIP16 package with 0.3-inch row spacing for robust PCB mounting
- Single-function, single-bit logic design simplifying system-level circuit implementation
- RoHS-compliant (JESD-609 e4) construction meeting modern environmental standards
Applications
The SN74LS297N is well-suited for digital logic design in industrial control systems, instrumentation, and legacy TTL-based circuit boards requiring reliable signal processing. Its standard DIP16 form factor makes it ideal for prototyping and repair applications where through-hole components are preferred. The device is commonly used in educational electronics, test equipment, and embedded systems that depend on classic LS-family logic compatibility.
Specifications
| YTEOL | 15 |
| Family | LS |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Logic IC Type | LOGIC CIRCUIT |
| Max I(ol) | 0.024A |
| Number of Bits | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 55mA |
| Prop. Delay@Nom-Sup | 35ns |
| Propagation Delay (tpd) | 35ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LS297N:
Frequently Asked Questions
What is the SN74LS297N and what logic family does it belong to?
The SN74LS297N is a TTL logic circuit IC from Texas Instruments belonging to the LS (Low-power Schottky) family. It features a single-function, single-bit logic design housed in a 16-pin DIP package with 0.3-inch row spacing, making it compatible with standard TTL logic levels and through-hole PCB designs.
What are the key electrical specifications of the SN74LS297N?
The SN74LS297N has a maximum output low current (Iol) of 24mA (0.024A), operates as a single-bit, single-function logic circuit, and is packaged in a PLASTIC/EPOXY DIP16 body. It carries the JESD-30 code R-PDIP-T16 and is RoHS-compliant per JESD-609 e4 classification, supporting a total of 27 parametric specifications.
What applications is the SN74LS297N suitable for?
The SN74LS297N is suitable for digital logic circuits in industrial control systems, test and measurement equipment, embedded systems, and legacy TTL board repair. Its standard 16-pin DIP package makes it especially popular for prototyping, educational electronics, and applications requiring classic LS-family TTL logic compatibility.
Can I find a replacement or alternative for the SN74LS297N?
Alternatives to the SN74LS297N typically include other LS-family TTL logic ICs with equivalent pinouts and electrical characteristics. When selecting a replacement, verify that the output current rating (Iol = 24mA), package type (DIP16, 0.3-inch), and logic function match your circuit requirements. Consult the Texas Instruments datasheet for full compatibility details.
Where can I buy the SN74LS297N and what is the price?
The SN74LS297N is available for purchase at FindMyChip starting from $18.86, with worldwide shipping options. You can submit a quote request directly on the product page to get the latest pricing and stock availability from verified distributors.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 13+ | $23.5800 | $306.54 |
| 25+ | $22.2740 | $556.85 |
| 500+ | $21.2125 | $10606.25 |
| 1000+ | $20.0375 | $20037.50 |
| 10000+ | $18.8625 | $188625.00 |
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