X9421 Xicor, X9421 Datasheet - Page 3

• Manufacturer Part Number: X9421
• Description: Single Digitally Controlled (XDCP) Potentiometer
• Manufacturer: Xicor

X9421
PIN CONFIGURATION
PIN ASSIGNMENTS
REV 1.1.6 8/1/02
TSSOP pin
10
11
12
13
14
1
2
3
4
5
6
7
8
9
SOIC pin
VSS
SCK
NC
NC
CS
S0
SI
10
11
12
13
14
16
15
2
3
4
5
6
8
9
1
7
1
2
3
4
5
6
7
TSSOP
X9421
Symbol
R
R
R
HOLD
14
13
12
11
10
W
SCK
9
8
H
V
V
L
WP
SO
NC
NC
NC
NC
NC
CS
A0
SI
SS
CC
/ V
/ V
/ V
W
H
L
HOLD
WP
V
R
R
R
A0
CC
L
H
W
/V
/V
/V
L
H
W
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Serial Data Output
No Connect
No Connect
Chip Select
Serial Clock
Serial Data Input
System Ground
Hardware Write Protect
Device Address
Device select. Pause the serial bus.
Wiper Terminal of the Potentiometer.
High Terminal of the Potentiometer.
Low Terminal of the Potentiometer.
System Supply Voltage
No Connect
No Connect
No Connect
SCK
VSS
NC
SO
CS
NC
NC
SI
Brief Description
1
2
3
4
5
6
7
8
X9421
SOIC
Characteristics subject to change without notice.
16
15
14
13
12
11
10
9
R
R
WP
R
V
A0
HOLD
NC
H
W
L
CC
/V
/V
/V
L
H
W
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