UPB8228C Controller and Bus Driver Dip IC
A robust and reliable solution for vintage computing enthusiasts and system builders, the UPB8228C offers a single-chip controller and bus driver specifically designed for 8080A microprocessor-based systems. This versatile component simplifies system design by generating all the necessary interface signals to connect RAM, ROM, and I/O components.
Features
- System Controller for 8080A Systems
- Bi-Directional Data Bus
- Processor Isolation
- 3.60V Output High Voltage
- Three-State Outputs on System Data Bus
- Multi-Byte Interrupt Support
- RST 7 Interrupt Generation
- Reduced System Package Count
- Schottky Bipolar Technology
Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 5.0 V |
| Operating Temperature | 0°C to 70°C |
| Package | 28-pin DIP |
| Technology | Bipolar |
| Output High Voltage (Do through D7) | 3.6 V (Min) |
| Output Low Voltage (All Other Outputs) | 0.48 V (Max) |
| Input Threshold Voltage | 0.8 V (Min), 2.0 V (Max) |
| Power Supply Current | 190 mA (Max) |
Applications
- Custom-built 8080A computer systems
- Industrial control systems
- Embedded systems
- Educational and hobbyist projects
- Repair and restoration of vintage computing equipment
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