MC14516B ON Semiconductor, MC14516B Datasheet - Page 2

• Manufacturer Part Number: MC14516B
• Description: Binary Up/Down Counter
• Manufacturer: ON Semiconductor

X = Don’t Care
NOTE: When counting up, the Carry Out signal is normally high and is low only
Carry In
X
X
1
0
0
when Q0 through Q3 are high and Carry In is low. When counting down,
Carry Out is low only when Q0 through Q3 and Carry In are low.
Up/Down
10
15
12
13
CARRY OUT
X
1
0
X
X
1
5
9
4
3
CARRY IN
V
PE
Q3
Q0
P3
P0
PIN ASSIGNMENT
SS
BLOCK DIAGRAM
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Enable
Preset
PE
TRUTH TABLE
CARRY IN
RESET
UP/DOWN
CLOCK
P0
P1
P2
P3
MC14516B
X
0
0
0
1
1
2
3
4
5
6
7
8
V
V
DD
SS
= PIN 16
= PIN 8
2
Reset
CARRY
16
15
14
13
12
11
10
0
0
0
0
1
OUT
9
Q0
Q1
Q2
Q3
C
V
Q2
P2
P1
Q1
U/D
R
DD
Clock
X
X
X
6
11
14
2
7
Count Down
No Count
Count Up
Action
Preset
Reset