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LM7539 - dual core memory sense amplifiers

Download the LM7539 datasheet PDF (LM7520 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for dual core memory sense amplifiers.

Description

The devices in this series of dual core sense amplifiers convert bipolar millivolt-level memory sense signals to saturated logic levels.

The design employs a common reference input which allows the input threshold voltage level of both amplifiers to be adjusted.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM7520-NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription

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Sense Amplifiers LM5520/LM7520 series dual core memory sense amplifiers general description The devices in this series of dual core sense amplifiers convert bipolar millivolt-level memory sense signals to saturated logic levels. The design employs a common reference input which allows the input threshold voltage level of both amplifiers to be adjusted. Separate strobe inputs provide time discrimination for each channel. Logic inputs and outputs are DTUTTL compatible. All devices of the series have identical preamplifier configurations, while various logic connections are provided to suit the specific application. The LM5520/LM7520 has output latch capability and provides sense, strobe, and memory function for two sense lines.
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