CAT5120 Datasheet, PDF (2/11 Pages) Catalyst Semiconductor – 16-Tap MiniPot Digitally Programmable Potentiometers with 2-Wire Interface

CAT5120/5121/5122
PIN DESCRIPTION
CAT5120
1
2
Pin Number
CAT5121
1
2
CAT5122
1
2
3
3
3
4
4
4
-
5
-
5
-
-
6
6
5
Pin Name
Pin Function
V_DD
GND
U/D
CS
L
W
H
Power Supply
Ground
Up/Down Control Input. With CS low, a
low-to-high transition increments or
decrements the wiper position.
Chip Select Input. A high-to-low CS
transition determines the mode: increment
if U/D is high, or decrement if U/D is low.
Low Terminal of Resistor
Wiper Terminal of Resistor
High Terminal of Resistor
Doc. No. 2121, Rev. A
2