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ManualsBrandsTEXAS INSTRUMENTS ManualsLogic ICsLogic IC - Comparator TSSOP 16 No. of bits 4 AB 2 V
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FIGURE 3. SERIES CASCADING - COMPARING 12-BIT WORDS
Test Circuits and Waveforms
GND
V
CC
GND
A0
A1
A2
A3
B0
B1
B2
B3
(A > B) IN
(A = B) IN
(A < B) IN
A0
A1
A2
A3
B0
B1
B2
B3
CD74HC85
CD74HCT85
A4
A5
A6
A7
B4
B5
B6
B7
(A > B) IN
(A = B) IN
(A < B) IN
A4
A5
A6
A7
B4
B5
B6
B7
A0
A1
A2
A3
B0
B1
B2
B3
(A > B) IN
(A = B) IN
(A < B) IN
A0
A1
A2
A3
B0
B1
B2
B3
(A > B) OUT
(A = B) OUT
(A < B) OUT
(A > B) OUT
(A = B) OUT
(A < B) OUT
OUTPUTS
LEAST SIGNIFICANT
4-BITS OF EACH WORD
MOST SIGNIFICANT
4-BITS OF EACH WORD
CD74HC85
CD74HCT85
CD74HC85
CD74HCT85
CD54HC85, CD74HC85, CD54HCT85, CD74HCT85