Part Details for DM74LS245WM by Texas Instruments
Results Overview of DM74LS245WM by Texas Instruments
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Applications
Consumer Electronics
Industrial Automation
DM74LS245WM Information
DM74LS245WM 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: DM74LS245WM by Texas Instruments
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Part Details for DM74LS245WM
DM74LS245WM Part Data Attributes
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DM74LS245WM
Texas Instruments
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Datasheet
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DM74LS245WM
Texas Instruments
Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20
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| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Part Package Code | SOIC | |
| Package Description | Sop, Sop20,.4 | |
| 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-PDSO-G20 | |
| JESD-609 Code | e0 | |
| Length | 12.8 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 | SOP | |
| Package Equivalence Code | SOP20,.4 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| 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 | 2.65 Mm | |
| Supply Voltage-Max (Vsup) | 5.25 V | |
| Supply Voltage-Min (Vsup) | 4.75 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Ttl | |
| Temperature Grade | Commercial | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Width | 7.5 Mm |
DM74LS245WM Frequently Asked Questions (FAQ)
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The maximum operating frequency of the DM74LS245WM is 30 MHz, but it can vary depending on the system design and capacitive loading.
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To ensure signal integrity, use proper PCB layout techniques, such as minimizing trace lengths, using impedance-matched transmission lines, and adding termination resistors as needed. Additionally, consider using a buffer or repeater to boost signal strength and reduce signal degradation.
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The DM74LS245WM is a 5V device, but it can be used in a 3.3V system with some limitations. The output voltage will be reduced, and the device may not meet its specified timing parameters. It's recommended to use a level translator or a voltage regulator to ensure proper operation.
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To avoid latch-up or damage, ensure that the power supplies are sequenced properly. Apply power to the VCC pin before applying power to the input signals. Also, ensure that the input signals are not driven until the VCC pin has reached its minimum specified voltage.
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The recommended operating temperature range for the DM74LS245WM is 0°C to 70°C. However, the device can operate up to 125°C with reduced performance and reliability.