MD82C237-12B
Description
The 82C237 is a modified version of the 82C37A. The 82C237 is fully software and pin for pin compatible with the 82C37A but provides an additional mode for 16-bit DMA transfers, as well as enhanced speed.
Key Features
- Fully Compatible with Intersil 82C37A - 82C237 May be Used in 8MHz and 12.5MHz 82C37A Sockets
- Optimized for 10MHz and 12.5MHz 80C286 Systems
- Special Mode Permits 16-Bit, Zero Wait State DMA Transfers
- High Speed Data Transfers: - Up to 6.25MBytes/sec with 12.5MHz Clock in Normal Mode - Up to 12.5MBytes/sec with 12.5MHz Clock in 16-Bit Mode
- Compatible with the NMOS 8237A
- Four Independent Maskable Channels with Autoinitialization Capability
- Cascadable to any Number of Channels
- Memory-to-Memory Transfers
- Static CMOS Design Permits Low Power Operation - ICCSB = 10µA Maximum - ICCOP = 2mA/MHz Maximum
- Fully TTL/CMOS Compatible
