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Product Detailed Parameters
- Description：BUS DRIVER, ALS SERIES
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Input Type：-
- Output Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The SN74ALS241C-1DWR is an octal buffer and line driver featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports a recommended maximum low-level output current (IOL) of 48 mA when VCC is between 4.75 V and 5.25 V. The device utilizes PNP inputs to reduce DC loading and provides symmetrical active-low output-enable inputs. It is characterized for operation over the commercial temperature range of 0°C to 70°C and is housed in a plastic small-outline (DW) package.
Feature Summary
- Octal buffer/driver design with three-state outputs for bus-oriented applications
- PNP input structure reduces DC loading on driving circuits
- Symmetrical active-low output-enable inputs control data flow
- -1 version variant supports increased low-level output current capability
Applications
- 3-state memory address drivers
- Clock drivers
- Bus-oriented receivers and transmitters
Procurement Notes
Verify that the specific -1 suffix indicates the 48 mA IOL rating requirement. Confirm the DW package designation matches the SOIC-20 footprint. Ensure the operating environment stays within the 0°C to 70°C range specified for the SN74 series. Check RoHS compliance status as indicated in the packaging addendum.
Selection Notes
Select this component when high fan-out and improved fan-in are required for bus systems. The -1 version is necessary if the application demands a higher low-level output current than the standard ALS variant. Consider the SN74AS241A for faster switching speeds or the SN74ACT241 for lower power consumption alternatives.
Part Context
This part belongs to the Texas Instruments 74ALS logic family, which offers advanced low-power Schottky performance. The SN74ALS241C is the non-inverting octal counterpart to the SN74ALS244C. The -1 suffix specifically denotes the enhanced current drive capability compared to the standard SN74ALS241C.
Replacement Considerations
SN74ALS241CDW is the tube version of the same device. SN74ALS244C-1DWR is the inverting equivalent with identical electrical characteristics. SN74AS241A provides faster switching but requires verification of pin compatibility.
