hcf4510b STMicroelectronics, hcf4510b Datasheet - Page 2

• Manufacturer Part Number: hcf4510b
• Description: Presettable Up/down Counters
• Manufacturer: STMicroelectronics

HCF4510B
IINPUT EQUIVALENT CIRCUIT
FUNCTIONAL DIAGRAM
TRUTH TABLE
X : Don’t Care
2/11
CL
X
X
X
CARRY-IN
(Cl)
H
X
X
L
L
UP/DOWN
X
H
X
X
L
ENABLE
PRESET
PIN DESCRIPTION
H
X
L
L
L
4, 12, 13, 3
6, 11, 14, 2
PIN No
15
10
16
1
5
7
9
8
CARRY-OUT Carry Output
RESET
UP/DOWN
CARRY-IN
SYMBOL
Q1 to Q4
PRESET
ENABLE
P1 to P4
CLOCK
RESET
H
L
L
L
L
V
V
SS
DD
Preset Enable Input
Inputs
Outputs
Clock Input
Up/Down Control Input
Carry Input
Reset Input
Negative Supply Voltage
Positive Supply Voltage
NAME AND FUNCTION
COUNT DOWN
NO COUNT
COUNT UP
PRESET
ACTION
RESET