CAT24C02, CAT24C04, CAT24C08, CAT24C16
PIN CONFIGURATIONS AND MARKING INFORMATION
VCC
Table 1. PIN FUNCTION
Pin Name†
Function
SCL
A0, A1, A2
Device Address Input
SDA
Serial Data Input/Output
A2, A1, A0
CAT24Cxx
SDA
SCL
Serial Clock Input
WP
Write Protect Input
WP
VSS
Figure 1. Functional Symbol
VCC
Power Supply
VSS
Ground
NC
No Connect
†The exposed pad for the UDFN packages can be left floating or
connected to Ground.
CAT24C__
16 / 08 / 04 / 02
NC / NC / NC / A0
NC / NC / A1 / A1
NC / A2 / A2 / A2
VSS
1
8
2
7
3
6
4
5
SOIC (W, X), TSSOP (Y),
UDFN−EP (HU4) (Top View)
VCC
WP
SCL
SDA
Pin 1 1
A VCC
B SCL
2 Pin 1 1 2 3
VSS
SDA
VCC
VSS A
SDA
B
WP
SCL C
WLCSP−4***
WLCSP−5***
(Top Views)
*** WLCSP are available for the CAT24C04,
CAT24C08 and CAT24C16 only.
SCL
1
5
WP
VSS
2
SDA
34
VCC
TSOT−23 (TD) (Top View)
Pin 1
TOP MARKING FOR WLCSP
(Ball Down)
Pin 1
Pin 1
X
X
X
YM
YW
YM
WLCSP−4
(C4A)
WLCSP−4
(C4U)
WLCSP−5
X = Specific Device
X = Code
4 or R = 24C04
8 or T = 24C08
6 or V = 24C16
Y = Production Year (Last Digit)
M = Production Month (1−9, O, N, D)
W = Production Week
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