1. Design a 10-state Johnson counter usingminimal number of 74HC194 ICs and externalgates. Assume that 74HC194 is cleared to zeroinitially and the register contents are to beshifted right at each clock pulse.D.DD:D,(3)(4)(5)(6)(1)CLR74HC194(9)Bidirectional(10)Shift Register(2)SR SER(7)SL SERCLRS1soFunction(11)CLKReset (Async.)Hold (Do nothing)Shift rightShift left(15) (14) (13) (12)LLSR SER: Shift-right serial inputSL SER: Shift-left serial inputHLHParallel loadFigure 1. Block diagram of 74x194IC.

In digital electronics, a register is a set of flip flops that can store an array of bits. A shift…

1. Design a 10-state Johnson counter using minimal number of 74HC194 ICs and external gates. Assume that 74HC194 is cleared to zero initially and the register contents are to be shifted right at each clock pulse.

1. Design a 10-state Johnson counter using minimal number of 74HC194 ICs and external gates. Assume that 74HC194 is cleared to zero initially and the register contents are to be shifted right at each clock pulse.

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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Question

1. Design a 10-state Johnson counter using
minimal number of 74HC194 ICs and external
gates. Assume that 74HC194 is cleared to zero
initially and the register contents are to be
shifted right at each clock pulse.
D.
D
D:
D,
(3)
(4)
(5)
(6)
(1)
CLR
74HC194
(9)
Bidirectional
(10)
Shift Register
(2)
SR SER
(7)
SL SER
CLR
S1
so
Function
(11)
CLK
Reset (Async.)
Hold (Do nothing)
Shift right
Shift left
(15) (14) (13) (12)
L
L
SR SER: Shift-right serial input
SL SER: Shift-left serial input
H
L
H
Parallel load
Figure 1. Block diagram of 74x194
IC.

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