74HC93 Datasheet, PDF (4/7 Pages) NXP Semiconductors – 4-bit binary ripple counter

Philips Semiconductors
4-bit binary ripple counter
Fig.4 Functional diagram.
Fig.5 Logic diagram.
December 1990
4
Product specification
74HC/HCT93
FUNCTION TABLE
OUTPUTS
COUNT
Q₀ Q₁ Q₂ Q₃
0
LLLL
1
HL L L
2
LHL L
3
HHL L
4
L LHL
5
HLHL
6
L HH L
7
HHH L
8
L L LH
9
HL LH
10
LHLH
11
HH L H
12
L LHH
13
H L HH
14
L HHH
15
HHHH
Notes
1. Output Q₀ connected to CP₁.
H = HIGH voltage level
L = LOW voltage level
MODE SELECTION
RESET
INPUTS
MR₁
H
L
H
L
MR₂
H
H
L
L
OUTPUTS
Q₀ Q₁ Q₂ Q₃
L L LL
count
count
count