VL82C37A - CMOS DIRECT MEMORY ACCESS CONTROLLER

Name: VL82C37A
SKU: VL82C37A-1562054

VLSI

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Datasheet Details

Part number	VL82C37A
Manufacturer	VLSI
File Size	803.32 KB
Description	CMOS DIRECT MEMORY ACCESS CONTROLLER
Datasheet	VL82C37A-VLSI.pdf

VL82C37A Product details

Description

The VL82C37A Direct Memory Access (DMA) Controller serves as a peripheral interface circuit for microprocessor systems, and is designed to improve system performance by allowing external devices to directly transfer information from the system memory.

Features

Low-power CMOS version of popular 8237A DMA controller.
Four DMA channels.
Individual enable/disable control of DMA requests.
Directly expandable to any number of channels.
Independent auto-initialize feature for all channels.
High performance 8 MHz version available.
Transfers may be terminated by endof-process input.
Software controlled DMA requests.
Independent polarity control for DREO and DACK signals.

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Published: Jan 14, 2025 |