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Product Detailed Parameters
- Description：PARALLEL I/O PORT, 12 I/O, TTL
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Number of I/O：-
- Interface：-
- Interrupt Output：-
- Features：-
- Output Type：-
- Current - Output Source/Sink：-
- Clock Frequency：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The SN74LS610N is a high-speed silicon-gate LS logic I/O expander manufactured by Texas Instruments. It features an open-collector output structure designed for direct interfacing with microprocessor buses and peripheral devices. The component operates within a standard 5V supply range, supporting reliable data expansion in digital systems. It utilizes a 20-pin dual in-line package (PDIP) suitable for through-hole mounting on printed circuit boards.
Feature Summary
- Open-collector output architecture allows flexible voltage level shifting and wired-OR configurations
- Designed specifically for expanding input/output capabilities in microprocessor-based systems
- Compatible with standard TTL logic families for seamless integration
Applications
- Microprocessor memory address decoding
- Peripheral device interface expansion
- Digital system I/O port extension
Procurement Notes
Verify the manufacturer part number matches SN74LS610N exactly to ensure correct functionality. Confirm the package type is PDIP-20 and the logic family is LS. Check for any specific ordering suffixes that may indicate temperature grade or packaging variations. Ensure the supplier provides valid traceability documentation.
Selection Notes
Select this component when open-collector outputs are required for bus sharing or voltage translation. Consider the propagation delay characteristics typical of the LS series for timing constraints. Evaluate the pin count against available board space and routing requirements for the specific application design.
Part Context
This part belongs to the SN74LS6xx series of I/O expanders from Texas Instruments. It complements other logic components by providing dedicated expansion capabilities without requiring complex external gating. The series supports various digital logic applications requiring simple, reliable data handling.
Replacement Considerations
Direct substitutes include SN74LS610DR or equivalent LS-series I/O expanders from other manufacturers. Verify pin compatibility and electrical specifications before substitution.
