®
ISO-
CMOS ST-BUS™ FAMILY MT8920B ST-BUS Parallel Access Circuit
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Features
• • • • • High speed parallel access to the serial ST-BUS Parallel bus optimized for 68000 µP (mode 1) Fast dual-port RAM access (mode 2) Access time: 120 nsec Parallel bus controller (mode 3) - no external controller required Flexible interrupt capabilities - two independent/programmable interrupt sources with auto-vectoring Selectable 24 and 32 channel operation Programmable loop-around modes Low power
CMOS technology
ISSUE 6
June 1996
Ordering Information MT8920BE 28 Pin Plastic DIP MT8920BC 28 Pin Ceramic DIP MT8920BP 28 Pin Plastic J-Lead MT8920BS 28 Pin SOIC -40°C to 85°C
Description
Th...