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Clock and Data Signals are shown for a D-Latch. Sketch the output waveform Q. Assume the propagation delay of the storage elements in negligible. The Initial value of Q is 0. D D C O [

Clock and Data Signals are shown for a D-Latch. Sketch the output waveform Q. Assume the propagation delay of the storage elements in negligible. The Initial value of Q is 0. D D C O [

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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**Title: Analyzing Clock and Data Signals for a D-Latch** **Introduction:** In this exercise, we evaluate the clock and data signals for a D-Latch and sketch the output waveform Q. We assume the storage elements have negligible propagation delay, and the initial value of Q is 0. **Diagram Description:** 1. **D-Latch Circuit Diagram:** - The diagram displays a basic representation of a D-Latch with two inputs labeled D (Data) and C (Clock). 2. **Waveform Graphs:** - There are three horizontal waveforms labeled C, D, and Q. **Waveform Details:** - **C (Clock Signal):** - This waveform consists of a periodic square wave oscillating between low and high states. - The high state typically enables the latch to transfer the D input to the Q output. - **D (Data Signal):** - This waveform also consists of a series of square pulses, varying between low and high states independently of C. - **Q (Output Waveform):** - Initially low (0), this waveform represents the output of the D-Latch. - The Q output reflects the value of D during the high states of C and holds the last value of D when C is low. **Procedure:** 1. Observe the signal levels for the inputs D and C. 2. Apply the D-Latch principle: When C is high (enabling the latch), Q follows D. 3. When C is low, Q retains its last state regardless of D’s changes. **Conclusion:** By studying these signals and their interactions, students can understand how D-Latches operate as basic memory elements. The completion of this sketch exercise aids in visualizing the behavior of D-Latches in digital circuits.
Transcribed Image Text:**Title: Analyzing Clock and Data Signals for a D-Latch** **Introduction:** In this exercise, we evaluate the clock and data signals for a D-Latch and sketch the output waveform Q. We assume the storage elements have negligible propagation delay, and the initial value of Q is 0. **Diagram Description:** 1. **D-Latch Circuit Diagram:** - The diagram displays a basic representation of a D-Latch with two inputs labeled D (Data) and C (Clock). 2. **Waveform Graphs:** - There are three horizontal waveforms labeled C, D, and Q. **Waveform Details:** - **C (Clock Signal):** - This waveform consists of a periodic square wave oscillating between low and high states. - The high state typically enables the latch to transfer the D input to the Q output. - **D (Data Signal):** - This waveform also consists of a series of square pulses, varying between low and high states independently of C. - **Q (Output Waveform):** - Initially low (0), this waveform represents the output of the D-Latch. - The Q output reflects the value of D during the high states of C and holds the last value of D when C is low. **Procedure:** 1. Observe the signal levels for the inputs D and C. 2. Apply the D-Latch principle: When C is high (enabling the latch), Q follows D. 3. When C is low, Q retains its last state regardless of D’s changes. **Conclusion:** By studying these signals and their interactions, students can understand how D-Latches operate as basic memory elements. The completion of this sketch exercise aids in visualizing the behavior of D-Latches in digital circuits.
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