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MC74F245DWR2
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Product Detailed Parameters
- Description：BUS TRANSCEIVER, F/FAST SERIES,
- Series：*
- Mfr：onsemi
- Package：Bulk
- Logic Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Input Type：-
- Output Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The MC74F245DWR2 is an octal bus transceiver with three-state outputs and differential data direction control, manufactured by onsemi. It operates within a voltage range of 2.0V to 3.6V and features low input capacitance for high-speed performance. The device supports bidirectional data transfer between two buses, controlled by the DIR pin. It includes ESD protection and meets JEDEC standards for latch-up resistance.
Feature Summary
- Octal bus transceiver architecture enabling simultaneous eight-bit data transfer
- Three-state outputs allowing safe connection to shared bus lines
- Differential data direction control via dedicated DIR pin for precise flow management
- Low input capacitance design supporting high-frequency signal integrity
Applications
- Memory mapping in embedded systems
- Clock drivers and buffered oscillators
- Bus-oriented communications protocols
Procurement Notes
Verify the exact ordering suffix DWR2 against official onsemi documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with system voltage levels and signal timing requirements before procurement. Cross-reference part numbers with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when bidirectional octal data transfer is required at speeds supported by the F-series logic family. Consider the 2.0V to 3.6V operating range and SOIC-20 package constraints. Evaluate ESD protection needs and bus loading characteristics relative to other transceivers in the portfolio.
Part Context
This part belongs to the 74F series of high-speed CMOS logic devices. It provides improved switching speeds compared to standard 74LS equivalents while maintaining compatible pinouts. The DWR2 suffix indicates a specific tape-and-reel packaging format suitable for automated assembly processes.
Replacement Considerations
Direct substitutes include other 74F245 variants from onsemi or compatible manufacturers offering identical pinouts and electrical characteristics. Verify voltage ranges and output drive strengths when cross-referencing alternative sources.
