Q. Use Table below to explain why the circuit of Figure below will not work as it is. How can the problem be corrected? 74HC00 7402 2 A X 2 3 7402 5 6 Input/output currents for standard devices with a supply voltage of 5 V. B

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
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Chapter17: Commercial And Industrial Air-conditioning Control Systems
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Q. Use Table below to explain why the circuit of Figure below will not
work as it is. How can the problem be corrected?
74HC00
7402
2
A
X
2
3
B
7402
5
6
Input/output currents for standard devices with a supply voltage of 5 V.
CMOS
TTL
74HC/HCT
74AC/ACT
74AHC/AHCT
74
74LS
74AS
1 μA
1 μA
1 μA
40 A
20 μA
20 μA
1 μA
1 μA
1 μA
1.6 mA
0.4 mA
4 mA
24 mA
8 mA
0.4 mA
0.4 mA
0.5 mA
2 mA
20 mA
4 mA
24 mA
8 mA
16 mA
8 mA
Parameter 4000B
hH(max)
1 μA
L(max)
1 μA
JOH(max)
0.4 mA
JOL(max)
0.4 mA
Qo
74ALS
20 με
100 A
400 mA
8 mA
74F
20 μα
0.6 mA
1.0 mA
20 mA
Transcribed Image Text:Q. Use Table below to explain why the circuit of Figure below will not work as it is. How can the problem be corrected? 74HC00 7402 2 A X 2 3 B 7402 5 6 Input/output currents for standard devices with a supply voltage of 5 V. CMOS TTL 74HC/HCT 74AC/ACT 74AHC/AHCT 74 74LS 74AS 1 μA 1 μA 1 μA 40 A 20 μA 20 μA 1 μA 1 μA 1 μA 1.6 mA 0.4 mA 4 mA 24 mA 8 mA 0.4 mA 0.4 mA 0.5 mA 2 mA 20 mA 4 mA 24 mA 8 mA 16 mA 8 mA Parameter 4000B hH(max) 1 μA L(max) 1 μA JOH(max) 0.4 mA JOL(max) 0.4 mA Qo 74ALS 20 με 100 A 400 mA 8 mA 74F 20 μα 0.6 mA 1.0 mA 20 mA
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