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Complete the timing diagram for the gated latch shown below. R $ R EN O Q is initially HIGH S EN Q Q

Complete the timing diagram for the gated latch shown below. R $ R EN O Q is initially HIGH S EN Q Q

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
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### Gated Latch Timing Diagram **Objective:** Complete the timing diagram for the gated latch depicted in the schematic. **Schematic Explanation:** The diagram shows a gated latch with the following logic gates and inputs: - **R**: Reset input - **S**: Set input - **EN**: Enable input - **Q**: Output - **\(\overline{Q}\)**: Complement of the output (Q bar) The gated latch consists of: - Two AND gates, each taking EN and either S or R as inputs. - A NOR gate and an OR gate to determine the outputs Q and \(\overline{Q}\). **Timing Diagram:** The timing diagram specifies the sequence and interaction of signals over time. It consists of horizontal lines representing the following signals, from top to bottom: - **S** - **R** - **EN** - **Q** (Output, initially HIGH as specified) Each line depicts transitions between HIGH (1) and LOW (0) states over a sequence of time intervals. The values change in response to the inputs and the state of the enable signal. **Key Observations:** - When EN is LOW, changes in S and R do not affect the state of Q; it retains its previous state. - When EN is HIGH, the state of Q is influenced by the S and R inputs: - If S is HIGH and R is LOW, Q becomes HIGH. - If R is HIGH and S is LOW, Q becomes LOW. - If both S and R are LOW, Q holds its previous state. - If both S and R are HIGH simultaneously, the output state can be indeterminate depending on the latch design. **Conclusion:** This timing diagram helps in understanding how the gated latch responds to various input combinations, with specific focus on the enable signal's role in controlling the state transitions.
Transcribed Image Text:### Gated Latch Timing Diagram **Objective:** Complete the timing diagram for the gated latch depicted in the schematic. **Schematic Explanation:** The diagram shows a gated latch with the following logic gates and inputs: - **R**: Reset input - **S**: Set input - **EN**: Enable input - **Q**: Output - **\(\overline{Q}\)**: Complement of the output (Q bar) The gated latch consists of: - Two AND gates, each taking EN and either S or R as inputs. - A NOR gate and an OR gate to determine the outputs Q and \(\overline{Q}\). **Timing Diagram:** The timing diagram specifies the sequence and interaction of signals over time. It consists of horizontal lines representing the following signals, from top to bottom: - **S** - **R** - **EN** - **Q** (Output, initially HIGH as specified) Each line depicts transitions between HIGH (1) and LOW (0) states over a sequence of time intervals. The values change in response to the inputs and the state of the enable signal. **Key Observations:** - When EN is LOW, changes in S and R do not affect the state of Q; it retains its previous state. - When EN is HIGH, the state of Q is influenced by the S and R inputs: - If S is HIGH and R is LOW, Q becomes HIGH. - If R is HIGH and S is LOW, Q becomes LOW. - If both S and R are LOW, Q holds its previous state. - If both S and R are HIGH simultaneously, the output state can be indeterminate depending on the latch design. **Conclusion:** This timing diagram helps in understanding how the gated latch responds to various input combinations, with specific focus on the enable signal's role in controlling the state transitions.
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