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RoHS-compliant 8-lead PDIP, SOIC, TSSOP and
UDFN packages
For additional packages and Ordering
Information details, see page 15.
PIN CONFIGURATION
PDIP (L)
SOIC (W)
TSSOP (Y)
UDFN (HU3)
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
FUNCTIONAL SYMBOL
VCC
SCL
A2, A1, A0
WP
CAT24C128
SDA
For the location of Pin 1, please consult the
corresponding package drawing.
PIN FUNCTIONS
VSS
A
0
, A
1
, A
2
SDA
SCL
WP
V
CC
V
SS
Device Address Inputs
Serial Data Input/Output
Serial Clock Input
Write Protect Input
Power Supply
Ground
* Catalyst carries the I
2
C protocol under a license from the Philips Corporation.
漏 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. MD-1103, Rev. J