CD74HC4017-EP Datasheet, PDF (2/15 Pages) Texas Instruments – HIGH-SPEED CMOS LOGIC DECADE COUNTER/DIVIDER WITH 10 DECODED OUTPUTS

CD74HC4017ĆEP
HIGHĆSPEED CMOS LOGIC DECADE COUNTER/DIVIDER
WITH 10 DECODED OUTPUTS
SCLS550 − DECEMBER 2003
FUNCTION TABLE
INPUTS
CP CE MR
OUTPUT STATE†
L
X
L
No change
X
H
L
No change
X
X
H
0 = H, 1−9 = L
↑
L
L
Increments counter
↓
X
L
No change
X
↑
L
No change
H
↓
L
Increments counter
NOTE: H = high voltage level, L = low voltage level,
X = don’t care, ↑ = transition from low to high
level, ↓ = transition from high to low level
† _{If n < 5, TC = H, otherwise TC = L}
logic diagram (positive logic)
CP ¹⁴
13
CE
15
MR
30
21
42
73
10 ₄
15
56
67
98
11 ₉
12 _TC
Decoded
Decimal
Out
2
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