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Digital Electronics - Counters - Discussion

Discussion Forum : Counters - General Questions (Q.No. 45)
Counters
45.
List the state of each output pin of a 7447 if RBI = 0, LT = 1, A0 = 1, A1 = 0, A2 = 0, and A3 = 1.
RBO = 0, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
RBO = 1, a = 0, b = 0, c = 0, d = 1, e = 1, f = 0, g = 0
RBO = 0, a = 0, b = 0, c = 0, d = 0, e = 1, f = 0, g = 0
RBO = 1, a = 0, b = 0, c = 0, d = 0, e = 1, f = 0, g = 0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
D K said:   8 years ago
RBI - Ripple Blanking Input.

LT - Lamp Test.
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