Product Overview
National Semiconductor DM81LS95N 8-Bit Bus Driver Logic IC
Condition
Used equipment pull. Markings legible on top of package: DM81LS95N, INS8202N, and date code 8017. Evaluation: Visual inspection only. Function testing not performed.
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Product Overview
The DM81LS95N (co-marked INS8202N) is a low-power Schottky TTL 8-bit bus driver and octal buffer manufactured by National Semiconductor. Featuring 3-state non-inverting outputs with high-impedance control, it handles data bus routing and line driving in legacy digital systems, microcomputer architectures, and industrial control electronics.
Key Features
- 8-channel non-inverting 3-state buffer and bus driver
- Low-power Schottky (LS-TTL) logic technology
- Standard 5V commercial supply voltage operation
- 20-pin dual in-line package (DIP-20)
- Package markings include INS8202N co-designation and 8017 date code
Applications
- Restoring vintage 8-bit microcomputers and legacy digital hardware
- Repairing obsolete industrial automation boards and logic controllers
- Prototyping custom microprocessor bus interfaces on hobbyist breadboards
Frequently Asked Questions
What logic configuration does the DM81LS95N provide?
It functions as an 8-bit non-inverting buffer with 3-state outputs, designed for multiplexing and driving shared data buses.
Why does this device have two part numbers on the package?
National Semiconductor dual-marked this component with its standard logic designation DM81LS95N and its microprocessor peripheral family number INS8202N.
Why buy an individually photographed pull rather than an unsorted surplus lot?
You receive the exact National Semiconductor IC pictured, with verified package markings, avoiding the gamble of bulk mystery grab bags when you only need one replacement. Shipping is $8 flat rate, free on orders over $28, and ships same or next business day from our Idaho warehouse.
Vintage digital hardware runs on specific logic timing, and keeping legacy systems operational requires original silicon that drops right into place.
