| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SN74LS155AN | Texas Instruments | $0.9626 | 2-LINE TO 4-LINE DECODER, LS Series, Inverted Output, TTL, PDIP16 | DM74LS155N vs SN74LS155AN |
| SN74LS155ANE4 | Texas Instruments | Check for Price | 2-LINE TO 4-LINE DECODER, LS Series, Inverted Output, TTL, PDIP16 | DM74LS155N vs SN74LS155ANE4 |
| N74LS155N | Philips Semiconductors | Check for Price | Decoder/Driver, TTL, PDIP16 | DM74LS155N vs N74LS155N |
| DM74LS155N | National Semiconductor Corporation | Check for Price | Decoder/Driver, LS Series, True Output, TTL, PDIP16 | DM74LS155N vs DM74LS155N |
| T74LS155B1 | STMicroelectronics | Check for Price | 2-LINE TO 4-LINE DECODER, LS Series, Inverted Output, TTL, PDIP16 | DM74LS155N vs T74LS155B1 |
| SN74LS155D | Rochester Electronics LLC | Check for Price | 2-LINE TO 4-LINE DECODER, LS Series, Inverted Output, TTL, PDSO16 | DM74LS155N vs SN74LS155D |
| DM74LS155N | Rochester Electronics LLC | Check for Price | 2-LINE TO 4-LINE DECODER, LS Series, Inverted Output, TTL, PDIP16 | DM74LS155N vs DM74LS155N |
Part Details for DM74LS155N by Texas Instruments
Results Overview of DM74LS155N by Texas Instruments
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (7 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (6 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Financial Technology (Fintech)
Computing and Data Storage
Telecommunications
Communication and Networking
DM74LS155N Information
DM74LS155N by Texas Instruments is a Decoder/Driver.
Decoder/Drivers are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
US Tariff Estimator: DM74LS155N by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
DM74LS155N Part Data Attributes
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DM74LS155N
Texas Instruments
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Datasheet
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DM74LS155N
Texas Instruments
Decoder/Driver, LS Series, True Output, TTL, PDIP16
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| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Package Description | Dip, Dip16,.3 | |
| Reach Compliance Code | Unknown | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Additional Feature | Function 2 Output Inverted | |
| Family | Ls | |
| JESD-30 Code | R-PDIP-T16 | |
| JESD-609 Code | e0 | |
| Length | 19.305 Mm | |
| Load Capacitance (CL) | 15 Pf | |
| Logic IC Type | Other Decoder/Driver | |
| Max I(ol) | 0.008 A | |
| Number of Functions | 2 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Polarity | True | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | DIP | |
| Package Equivalence Code | DIP16,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Power Supply Current-Max (ICC) | 10 Ma | |
| Prop. Delay@Nom-Sup | 35 Ns | |
| Propagation Delay (tpd) | 27 Ns | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.08 Mm | |
| Supply Voltage-Max (Vsup) | 5.25 V | |
| Supply Voltage-Min (Vsup) | 4.75 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | No | |
| Technology | Ttl | |
| Temperature Grade | Commercial | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for DM74LS155N
This table gives cross-reference parts and alternative options found for DM74LS155N. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of DM74LS155N, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
DM74LS155N Frequently Asked Questions (FAQ)
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The maximum clock frequency of the DM74LS155N is typically around 35 MHz, but it can vary depending on the specific application and operating conditions. It's recommended to check the device's timing specifications and perform thorough testing to ensure reliable operation at the desired clock frequency.
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To ensure proper power supply and decoupling, make sure to provide a stable and clean power supply voltage (VCC) of 5V ± 10% and connect a 0.1 μF ceramic capacitor between VCC and GND (ground) as close to the device as possible. Additionally, consider adding a 10 μF electrolytic capacitor in parallel to further reduce noise and ripple.
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The DM74LS155N is typically rated for operation over a temperature range of 0°C to 70°C (commercial grade) or -40°C to 85°C (industrial grade). However, it's essential to check the specific datasheet or manufacturer's documentation for the exact temperature range and any applicable derating factors.
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The DM74LS155N is a 5V device, and it's not recommended to operate it at 3.3V. While it might seem to work initially, the device may not function correctly or reliably at lower voltages, and it may even be damaged. If you need a 3.3V-compatible device, consider using a different part number or a voltage translator.
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The DM74LS155N is a TTL (Transistor-Transistor Logic) device, which means it has specific input and output logic levels. Ensure that the input signals meet the device's input voltage thresholds (typically 0.8V for low and 2.0V for high), and that the output signals are compatible with the receiving device's input logic levels.