X24042
PIN DESCRIPTIONS
Serial Clock (SCL)
PIN CONFIGURATION
DIP/SOIC
The SCL input is used to clock all data into and out of the
device.
A
A
A
1
2
3
4
8
7
6
5
V
0
1
2
CC
Serial Data (SDA)
NC
X24042
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
3849 FHD F02
An open drain output requires the use of a pull-up
resistor. For selecting typical values, refer to the Pull-Up
Resistor selection graph at the end of this data sheet.
PIN NAMES
Symbol
Address (A )
0
Description
A is unused by the X24042, however, it must be tied to
0
A –A
Address Inputs
Serial Data
Serial Clock
No Connect
Ground
0
2
V
SS
to insure proper device operation.
SDA
SCL
NC
Address (A , A )
1
2
The Address inputs are used to set the appropriate bits
ofthesevenbitslaveaddress.Theseinputscanbeused
static or actively driven. If used statically they must be
V
SS
V
CC
Supply Voltage
tied to V or V as appropriate. If driven they must be
SS
CC
3849 PGM T01
driven to V or to V
.
SS
CC
2
XICOR [ XICOR INC. ]
