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Part Details for SN74LS244DWRE4 by Texas Instruments
Results Overview of SN74LS244DWRE4 by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (6 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 options)
- 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
SN74LS244DWRE4 Information
SN74LS244DWRE4 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.
Price & Stock for SN74LS244DWRE4
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Logic ICs | 423 |
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RFQ |
Part Details for SN74LS244DWRE4
SN74LS244DWRE4 CAD Models
SN74LS244DWRE4 Part Data Attributes
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SN74LS244DWRE4
Texas Instruments
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Datasheet
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SN74LS244DWRE4
Texas Instruments
8-ch, 4.75-V to 5.25-V bipolar buffers with 3-state outputs 20-SOIC 0 to 70
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Package Description | SOP, SOP20,.4 | |
| Pin Count | 20 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Control Type | ENABLE LOW | |
| Count Direction | UNIDIRECTIONAL | |
| Family | LS | |
| JESD-30 Code | R-PDSO-G20 | |
| JESD-609 Code | e4 | |
| Length | 12.8 mm | |
| Load Capacitance (CL) | 45 pF | |
| Logic IC Type | BUS DRIVER | |
| Max I(ol) | 0.024 A | |
| Moisture Sensitivity Level | 1 | |
| Number of Bits | 4 | |
| Number of Functions | 2 | |
| 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 | |
| Packing Method | TR | |
| Peak Reflow Temperature (Cel) | 260 | |
| Power Supply Current-Max (ICC) | 50 mA | |
| Prop. Delay@Nom-Sup | 18 ns | |
| Propagation Delay (tpd) | 18 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 | NICKEL PALLADIUM GOLD | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 7.5 mm |
Alternate Parts for SN74LS244DWRE4
This table gives cross-reference parts and alternative options found for SN74LS244DWRE4. 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 SN74LS244DWRE4, 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SN74LS244DWE4 | Texas Instruments | $0.4642 | 8-ch, 4.75-V to 5.25-V bipolar buffers with 3-state outputs 20-SOIC 0 to 70 | SN74LS244DWRE4 vs SN74LS244DWE4 |
| DM74LS244WMX | National Semiconductor Corporation | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20 | SN74LS244DWRE4 vs DM74LS244WMX |
| SN74LS244DW | Rochester Electronics LLC | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20, GREEN, PLASTIC, SOIC-20 | SN74LS244DWRE4 vs SN74LS244DW |
| SN74LS244DWG | onsemi | Check for Price | LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOIC-20 | SN74LS244DWRE4 vs SN74LS244DWG |
| SN74LS244DW | Motorola Semiconductor Products | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20, SOIC-20 | SN74LS244DWRE4 vs SN74LS244DW |
| SN74LS244DWRG4 | Texas Instruments | Check for Price | Octal Buffers And Line Drivers With 3-State Outputs 20-SOIC 0 to 70 | SN74LS244DWRE4 vs SN74LS244DWRG4 |
SN74LS244DWRE4 Frequently Asked Questions (FAQ)
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The maximum operating frequency of the SN74LS244DWRE4 is 35 MHz, but it can vary depending on the load capacitance and the output current.
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To ensure signal integrity, use a low-impedance PCB design, keep the signal traces short, and use termination resistors to match the impedance of the transmission line. Additionally, consider using a buffer or repeater to regenerate the signal if it needs to travel a long distance.
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The recommended power-on sequence is to apply VCC before applying any input signals. This ensures that the internal circuitry is properly initialized and reduces the risk of latch-up or damage to the device.
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Yes, the SN74LS244DWRE4 can operate with a supply voltage as low as 2.7V, but the output voltage will be reduced accordingly. However, the device is not 3.3V-tolerant, so the input signals should not exceed 3.3V to prevent damage to the device.
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To handle thermal issues, ensure good airflow around the device, use a heat sink if necessary, and consider using a thermally-enhanced package such as the QFN or BGA. Additionally, reduce the power consumption by minimizing the output current and using a lower supply voltage if possible.