74LS245 Vcc 2 A, 10 GND 8 18 3 A B2 17. 4 A B, 16 B, 15 6 Ag B 14 7 As B 13 8 A B, 12 Bs 11 DIR 19 Direcion control Enable Q1/ Explain the operation of the circuit above 9-5V 20 Voc 74LS244 Ootal bus driver A Ag Hgh A order A ddress bus 12 tal J20 Voc 40 READY A Voc 15 A Low order address bus TALSST3 arystal 20 pF ADy AD C GND 10 NO22 B085 A ALE 12 20 CLK OUT HLDA RTA HESET N 100K 74L8245 Bidirectional D Deta 15D, bus 16 D 17 D. 10 bus driver TRAP RST75 RSTOS RST5.5 DR C GND Do RESET OUT 19 10 10NTR From wemot HOLD souro 16 OW Contol 10 74L5134 bus decader a, 14DEMK GND Q2/ For the figure above, are there Bus drive connected with low order address bus? why?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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74LS245
20
10
GND
2 A
B, 18
3 A
B2 17
4 A
B 16
B 15
6 Ag
B 14
7 As
B 13
8 A
B, 12
Bs11
DIR
19
Direction
control
Enable
Q1/ Explain the operation of the circuit above
9+5V
20
Voc
A High-
A orcer
12 A ddress
174LS244 Ootal
bus
driver 14 A
bus
10 A
12
20
Voc
40
Voc
READY
2MIO
gystal
20 pF
15
Low
order
ddress
bus
T4LSS73
ADy
AD
GND
so
10
5,
NO22
8085 A
ALE
18,
1CUK OUT
HLDA
RYA
HESET N
TRAP
RST7S
+5V
31
11
100K
14L8245
Bidirectional
D Dota
15 D. bus
16
D.
10 Do
bus
driver
RSTO.S
DR C GND
RESET
OUT
RST5.5
10
INTR
19
10
From
HOLD
wemupt
Souro
116
, Vce
E Control
7ALS134
O.10
13 W
bus
decader
o.14 UEMK
GND
Q2/ For the figure above, are there Bus drive connected with low order address bus? why?
Transcribed Image Text:74LS245 20 10 GND 2 A B, 18 3 A B2 17 4 A B 16 B 15 6 Ag B 14 7 As B 13 8 A B, 12 Bs11 DIR 19 Direction control Enable Q1/ Explain the operation of the circuit above 9+5V 20 Voc A High- A orcer 12 A ddress 174LS244 Ootal bus driver 14 A bus 10 A 12 20 Voc 40 Voc READY 2MIO gystal 20 pF 15 Low order ddress bus T4LSS73 ADy AD GND so 10 5, NO22 8085 A ALE 18, 1CUK OUT HLDA RYA HESET N TRAP RST7S +5V 31 11 100K 14L8245 Bidirectional D Dota 15 D. bus 16 D. 10 Do bus driver RSTO.S DR C GND RESET OUT RST5.5 10 INTR 19 10 From HOLD wemupt Souro 116 , Vce E Control 7ALS134 O.10 13 W bus decader o.14 UEMK GND Q2/ For the figure above, are there Bus drive connected with low order address bus? why?
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