ISL22444 Datasheet, PDF (2/19 Pages) Intersil Corporation – Quad Digitally Controlled Potentiometer XDCP

Block Diagram
ISL22444
VCC
V-
SCK
SDI
SDO
CS
SPI
INTERFACE
POWER-UP,
CONTROL
AND
STATUS
LOGIC
WR3
WR2
NON-VOLATILE
REGISTERS
WR1
WR0
GND
RH3
RW3
RL3
RH2
RW2
RL2
RH1
RW1
RL1
RH0
RW0
RL0
Pinouts
ISL22444
(20 LEAD TSSOP)
TOP VIEW
RH3 1
RL3 2
RW3 3
NC 4
SCK 5
SDO 6
GND 7
RW2 8
RL2 9
RH2 10
20 RW0
19 RL0
18 RH0
17 V-
16 VCC
15 SDI
14 CS
13 RH1
12 RL1
11 RW1
ISL22444
(20 LEAD QFN)
TOP VIEW
20 19 18 17 16
RW3 1
NC 2
SCK 3
SDO 4
GND ⁵
15 V-
14 VCC
13 SDI
12 CS
11 RH1
6 7 8 9 10
2
FN6426.0
May 24, 2007