Description
The SMC Single Row Buffer (SRB) provides a low cost solution to memory contention between the system processor and CRT controller in video display systems.
Features
- D Low Cost Solution to CRT Memory Contention Problem D Provides Enhanced Processor Throughput for CRT
Display Systems
D Provides 8 Bit Wide Variable Length Serial Memory D Permits Active Video on All Scan Lines of Data Row D Dynamically Variable Number of Characters per Data Row-
 64,80, 132,  up to a Maximum of 135
D Cascadable for Data Rows Greater than 135 Characters D Stackable for Invisible Attributes or Character
Widths of Greater than 8 Bits
D Three-State Outputs D 4MHz Typical Read/Writ.