82C37A Overview
Description
The 82C37A is an enhanced version of the industry standard 8237A Direct Memory Access (DMA) controller, fabricated using Intersil’s advanced 2 micron CMOS process. Pin compatible with NMOS designs, the 82C37A offers increased functionality, improved performance, and dramatically reduced power consumption.
Key Features
- Compatible with the NMOS 8237A
- Four Independent Maskable Channels with Autoinitialization Capability
- Cascadable to any Number of Channels
- High Speed Data Transfers
- Up to 4MBytes/sec with 8MHz Clock
- Up to 6.25MBytes/sec with 12.5MHz Clock
- Memory-to-Memory Transfers
- Static CMOS Design Permits Low Power Operation
- ICCSB = 10µA Maximum
- ICCOP = 2mA/MHz Maximum
