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Product Detailed Parameters
- Description：D LATCH, 1-FUNC, 10-BIT
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Circuit：-
- Output Type：-
- Voltage - Supply：-
- Independent Circuits：-
- Delay Time - Propagation：-
- Current - Output High, Low：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The SN74ALS29842NT is a single-function, 10-bit D-type latch manufactured by Texas Instruments. It operates within a supply voltage range of 4.5V to 5.5V and features tri-state outputs. The component utilizes a 24-pin Plastic Dual In-Line Package (PDIP) with a standard 0.300-inch (7.62mm) width. It supports through-hole mounting and functions within an operating temperature range of 0°C to 70°C. The device exhibits a propagation delay of approximately 7ns, with output currents specified at 2.6mA for high level and 24mA for low level.
Feature Summary
- Provides 10-bit data storage capability via a single functional unit
- Features tri-state outputs for bus-oriented system designs
- Compatible with ALS-TTL logic families for interface integration
Applications
- Parallel data buffering in digital systems
- Interface between microprocessors and peripheral devices
- Temporary data storage in memory architectures
Procurement Notes
Verify the specific package variant and suffix against official Texas Instruments documentation to ensure compatibility with your board layout and thermal requirements. Confirm RoHS compliance status as manufacturing updates may occur. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Ensure the procurement channel provides traceability for quality assurance purposes.
Selection Notes
Select this component when a 10-bit latching solution with tri-state control is required for ALS-TTL compatible systems. Consider the 24-pin PDIP package constraints for PCB space and mounting style. Evaluate the 7ns propagation delay against system timing requirements. Verify that the 4.5V to 5.5V supply range aligns with the target circuit design.
Part Context
This component belongs to the Texas Instruments 74ALS series of logic integrated circuits. The 74ALS family offers higher speed and lower power consumption compared to earlier standard TTL counterparts. Latches in this series are essential for managing data flow in synchronous digital circuits, providing stable storage states until explicitly updated by clock or enable signals.
Replacement Considerations
Publicly confirmed substitute part numbers for SN74ALS29842NT were not identified in the provided source material.
