Part Details for DM74LS245N by Texas Instruments
Results Overview of DM74LS245N by Texas Instruments
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (0 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.
DM74LS245N Information
DM74LS245N by Texas Instruments is a Bus Driver/Transceiver.
Bus Driver/Transceivers 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: DM74LS245N 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.
DM74LS245N Part Data Attributes
|
|
DM74LS245N
Texas Instruments
Buy Now
Datasheet
|
Compare Parts:
DM74LS245N
Texas Instruments
Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDIP20
|
| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Part Package Code | DIP | |
| Package Description | Dip, Dip20,.3 | |
| Pin Count | 20 | |
| Reach Compliance Code | Unknown | |
| HTS Code | 8542.39.00.60 | |
| Additional Feature | With Common Output Enable And Direction Control; Min Input Hysteresis = 0.2v | |
| Control Type | Common Control | |
| Count Direction | Bidirectional | |
| Family | Ls | |
| JESD-30 Code | R-PDIP-T20 | |
| JESD-609 Code | e0 | |
| Length | 26.075 Mm | |
| Load Capacitance (CL) | 45 Pf | |
| Logic IC Type | Bus Transceiver | |
| Max I(ol) | 0.024 A | |
| Number of Bits | 8 | |
| Number of Functions | 1 | |
| Number of Ports | 2 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Characteristics | 3-State | |
| Output Polarity | True | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | DIP | |
| Package Equivalence Code | DIP20,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Power Supply Current-Max (ICC) | 90 Ma | |
| Prop. Delay@Nom-Sup | 12 Ns | |
| Propagation Delay (tpd) | 12 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 |
DM74LS245N Frequently Asked Questions (FAQ)
-
The maximum frequency of operation for the DM74LS245N is typically around 30-40 MHz, but it can vary depending on the specific application and operating conditions.
-
To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking, using a thermally conductive PCB material, and keeping the device within its recommended operating temperature range (0°C to 70°C).
-
The DM74LS245N is designed to operate at 5V, but it can be used in 3.3V or 2.5V systems with some limitations. However, the output voltage levels may not be compatible with 3.3V or 2.5V logic, and the device's performance may be degraded. It's recommended to use a level translator or voltage regulator to ensure compatibility.
-
To handle bus contention when using the DM74LS245N, it's essential to ensure that only one device is driving the bus at a time. This can be achieved by using a bus arbiter or a multiplexer to control access to the bus, or by using a tri-state buffer to disconnect the device from the bus when it's not actively driving it.
-
The DM74LS245N can sink or source up to 24 mA of current per output pin, but it's recommended to limit the current to 16 mA or less to ensure reliable operation and prevent overheating.