ECT 114 Week 5 Homework Quiz New
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ECT 114 Week 5 Homework Quiz New
1. (TCO 5) Download the datasheet fromwww.ti.com for the 74LS151. Which device type has the lowest typical power dissipation? (Points : 1)
2. (TCO 5) View a datasheet function table for a 74151 device. Using Quartus pin names, assume the chip is enabled and C = 1, B = 0, and A = 0. Which data input appears on output Y? (Points : 1)
3. (TCO 5) View a datasheet function table for a 74151 device. Which are the select input pin names, and which is the active level of the select input pins?(Points : 1)
4. (TCO 5) View a datasheet function table for a 74151 device. Data are applied to D4, the device is enabled, and the select lines are set to select D4. Which output will have an inverted version of D4?(Points : 1)
5. (TCO 5) View a datasheet function table for a 74151 device. The inputs to the 74151 are C = 1, B = 0, A = 0, D7 = 0, D6 = 0, D5 = 1, D4 = 1, D3 = 1, D2 = 1, D1 = 0, D0 = 1, and GN = 0. Which is the value of Y and why? (Points : 1)
6. (TCO 5) The waveforms below are for a 74151 with Quartus pin names. From 1.6 us to 2.4 us, which is the value of Y and why?
7. (TCO 5) The waveforms below are for a 74151 with Quartus pin names. From 3.2 us to 4.0 us, which is the value of Y and why?
8. (TCO 5) Download the datasheet from www.ti.com for the SN74LS151 and find the electrical characteristics. Find the values for VIL and VIH. A voltage of 2.4 V is one of the inputs to the 74LS151. How will the 74LS151 interpret that voltage? (Points : 2)
9. (TCO 5) View a datasheet function table for a 74138 device, which can be configured as a demultiplexer. Using Quartus pin names, assume the chip is enabled, the data input is connected to G2AN, C = 0, B = 1, and A = 1. Which output has the data? (Points : 1)
10. (TCO 5) Download the datasheet from www.ti.com for the 74LS138. What is the minimum operating temperature for the SN74LS138? (Points : 1)
11. (TCO 5) Download the datasheet from www.ti.com for the 74LS138. G2AN is 0 and G1 is 1. Data is applied to G2BN. CBA is 000. Which signal should be observed on Y0N? (Points : 1)
12. (TCO 5) Download the datasheet from www.ti.com for the SN74LS138 and find the electrical characteristics. Find the values for VIL and VIH. A voltage of 1.1 V is one of the inputs to the 74LS138. How will the 74LS138 interpret that voltage? (Points : 2)
13. (TCO 5) Download the datasheet from www.ti.com for the 74LS138. Match the Quartus input/output pin names on the left with the pin numbers on the right.
(Points : 3)
14. (TCO 5) Download the datasheet from www.ti.com for the 74LS151. Match the Quartus input/output pin names on the left with the pin numbers on the right.
(Points : 3)
15. (TCO 5) Match the waveforms labeled as OUTPUTx to the appropriate pin on the 74138. Data is applied to G2BN.