X24022
PIN DESCRIPTIONS
Serial Clock (SCL)
PIN CONFIGURATION
The SCL input is used to clock all data into and out of the
device.
DIP/SOIC
A
A
A
1
2
3
4
8
7
6
5
V
0
1
2
CC
Serial Data (SDA)
NC
X24022
SDA is a bidirectional pin used to transfer data into and
out of the device. It is an open drain output and may be
wire-ORed with any number of open drain or open
collector outputs.
SCL
SDA
V
SS
3848 FHD F02
An open drain output requires the use of a pull-up
resistor. For selecting typical values, refer to the Guide-
lines for Calculating Typical Values of Bus Pull-Up
Resistors graph.
PIN NAMES
Symbol
Description
A –A
Address Inputs
Serial Data
Serial Clock
No Connect
Ground
0
2
Address (A , A , A
2)
0
1
SDA
SCL
NC
The address inputs are used to set the least significant
three bits of the seven bit slave address. These inputs
can be static or actively driven. If used statically they
V
SS
V
CC
must be tied to V or V
as appropriate. If actively
SS
CC
+5V
driven, they must be driven to V or to V
.
SS
CC
3848 PGM T01
2
XICOR [ XICOR INC. ]
