Philips Semiconductors
Product specification
Programmable divide-by-n counter
74HC/HCT4059
FUNCTION TABLE
LATCH
ENABLE
INPUT
MODE
SELECT
INPUTS
FIRST COUNTING
SECTION
LAST COUNTING
SECTION
COUNTER
RANGE
DECADE 1
DECADE 5
OPERATION
MAX
JAM
MAX.
JAM
DIVIDED
BY
BCD
BINARY
MAX.
LE
Ka Kb Kc MODE PRESET INPUTS
STATE USED
PRESET INPUTS
MAX.
STATE
USED
J2J3J4
J3J4
J4
H
H
H
H
H
L
H
L
H
H
L
H
H
H
H
L
2
1
3
4
7
9
1
3
4
7
9
9
J1
8
4
2
2
1
8
4
2
2
1
1
7
15 999 17 331
15 999 18 663
4
J1J2
3
1
1
0
7
3
1
1
0
0
H
L
5
J1J2J3
J1J2J3
J1J2J3J4
J1
9 999 13 329 timer mode
15 999 21 327
L
8
J4
H
H
L
H
H
H
L
10
2
−
9 999 16 659
H
H
H
H
L
J2J3J4
J3J4
J4
15 999 17 331
L
4
J1J2
15 999 18 663
L
H
L
5
J1J2J3
J1J2J3
J1J2J3J4
J1J2J3J4
9 999 13 329
divide-by-n mode
L
L
8
J4
15 999 21 327
9 999 16 659
9 999 16 659
L
H
L
H
H
10
10
−
H
L
−
fixed
−
divide-by-10 000
mode
L
L
H
L
L
L
preset inhibited
master preset
preset inhibited
master preset
10 000
master preset
mode
X
X
−
−
Note
1. It is recommended that the device is in the master preset mode (Kb = Kc = logic 0) in order to correctly initialize the
device prior to start-up. An example of a suitable external circuit is shown in Fig.14.
H = HIGH voltage level
L = LOW voltage level
X = don’t care
Table 1
4
1
1
5
7
7
9
4
4
6
J1
L
J2
J3
H
J4
H
J5
H
J6
L
J7
H
J8
L
J9
H
J10
L
J11
L
J12
H
J13
L
J14
H
J15
J16
L
L
H
Table 2
6
5
J1
L
J2
H
J3
H
J4
H
J5
H
J6
H
J7
H
J8
L
J9
L
J10
L
J11
H
J12
L
J13
H
J14
L
J15
H
J16
L
Table 3
9
8
J1
H
J2
L
J3
L
J4
H
J5
H
J6
H
J7
H
J8
L
J9
L
J10
L
J11
H
J12
L
J13
L
J14
L
J15
L
J16
H
1998 Jul 08
7
PHILIPS [ PHILIPS SEMICONDUCTORS ]
