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LM7521

National Semiconductor
Part Number LM7521
Manufacturer National Semiconductor
Description dual core memory sense amplifiers
Published Oct 11, 2017
Detailed Description Sense Amplifiers LM5520/LM7520 series dual core memory sense amplifiers general description The devices in this series...
Datasheet PDF File LM7521 PDF File

LM7521
LM7521

Overview
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.
The LM5522/LM7522 contains a single open collector output which may be used to expand the number of inputs of the LM5520/LM7520, or to drive an external Memory Data Register (MDR).
Intended for small memories, the two channels of the LM5524/LM7524 are independen...


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