DIGITAL LOGIC
4-Bit Universal Shift Register
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CASE ANALYSIS
Scenario
A digital designer needs a 4-bit universal shift register for a microcontroller data path.
Key decisions
- 4-to-1 MUX per bit for mode selection
- D flip-flops for synchronous operation
- Separate serial inputs for left/right shift
When to reuse this
When designing register files, serial-to-parallel converters, or bidirectional shift operations.
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logic-16-bit-universal-shift-register-with-parallel-load-and-shift