X9279
PIN CONFIGURATION
CSP
TSSOP
14
4
3
2
1
NC
A0
1
2
3
4
5
6
7
V
CC
X9279
R
R
R
13
12
11
10
L
A
B
C
D
A0
V
R
R
CC
L
H
NC
H
W
A2 NC NC
R
A2
SCL
W
A3
A1
WP
SCL NC NC A3
SDA VSS WP A1
SDA
9
8
V
SS
PIN ASSIGNMENTS
Pin
Pin
TSSOP
CSP
Symbol
NC
Function
1
2
B2, B3
A4
No Connect
A0
Device Address for 2-Wire bus.
No Connect
3
C2, C3
B4
NC
4
A2
Device Address for 2-Wire bus.
Serial Clock for 2-Wire bus.
Serial Data Input/Output for 2-Wire bus.
System Ground.
5
C4
SCL
SDA
6
D4
7
D3
V
SS
8
D2
WP
A1
Hardware Write Protect
9
D1
Device Address for 2-Wire bus.
Device Address for 2 wire-bus.
Wiper Terminal of the Potentiometer.
High Terminal of the Potentiometer.
Low Terminal of the Potentiometer.
System Supply Voltage.
10
11
12
13
14
C1
A3
B1
R
W
A1
R
H
A2
R
L
A3
V
CC
Characteristics subject to change without notice. 3 of 24
REV 1.1.7 2/6/03
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XICOR [ XICOR INC. ]
