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7. Assume the 74HC393A counter is operating at 102°C with Vcc=3V. What is the minimum pulse width for the RESET input? O24 ns O 27 ns O 30 ns 36 ns

7. Assume the 74HC393A counter is operating at 102°C with Vcc=3V. What is the minimum pulse width for the RESET input? O24 ns O 27 ns O 30 ns 36 ns

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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7. Assume the 74HC393A counter is operating at 102°C with Vcc=3V. What is the minimum pulse width for the RESET input? 24 ns 27 ns 30 ns 36 ns 8. On the 74HC393A counter, the Clock to Q1 propagation delay is shorter than the Clock to Q4 propagation delay. Why? O the counter is synchronous O the counter is asynchronous O the counter cannot be cascaded (no RCO output) O none of the above 9. Consider a NAND-type SR-latch with enable (ENB). Currently S=0, R=0, ENB=0 and Q=1. What will happen when the reset input R is asserted? O The Qoutput switches to logic 0 O Q doesn't change but now Q = 1 (the invalid state) O nothing happens 10. What is the maximum clock frequency of a twisted ring counter built with 74LVC2G74 FFs? 133 MHz 138 MHz 163 MHz 200 MHz 11. Which type of counter has only one Qoutput high at any given time? a binary counter a modulo-6 counter a modulo-5 counter O a ring counter
Transcribed Image Text:7. Assume the 74HC393A counter is operating at 102°C with Vcc=3V. What is the minimum pulse width for the RESET input? 24 ns 27 ns 30 ns 36 ns 8. On the 74HC393A counter, the Clock to Q1 propagation delay is shorter than the Clock to Q4 propagation delay. Why? O the counter is synchronous O the counter is asynchronous O the counter cannot be cascaded (no RCO output) O none of the above 9. Consider a NAND-type SR-latch with enable (ENB). Currently S=0, R=0, ENB=0 and Q=1. What will happen when the reset input R is asserted? O The Qoutput switches to logic 0 O Q doesn't change but now Q = 1 (the invalid state) O nothing happens 10. What is the maximum clock frequency of a twisted ring counter built with 74LVC2G74 FFs? 133 MHz 138 MHz 163 MHz 200 MHz 11. Which type of counter has only one Qoutput high at any given time? a binary counter a modulo-6 counter a modulo-5 counter O a ring counter
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