SIDE VIEW
GND 1
IO 2
N.C. 3
TO-92
1024-Bit, 1-Wire EEPROM
Pin Configurations
FRONT VIEW
1
2
3
FRONT VIEW (T&R VERSION)
1
2
3
TOP VIEW
+
GND 1
IO 2
N.C. 3
DS2431
6 N.C.
5 N.C.
4 N.C.
TSOC
TOP VIEW
GND N.C. N.C.
A1 A2 A3
DS2431
C1 C2 C3
IO N.C. N.C.
UCSPR
TOP VIEW
+
N.C. 1
DS2431
IO 2
GND 3 *EP
*EXPOSED PAD
TDFN-EP
(3mm × 3mm)
6 N.C.
5 N.C.
4 N.C.
BOTTOM VIEW
1
2
SIDE VIEW
IO GND
SFN
(6mm × 6mm × 0.9mm)
NOTE: THE SFN PACKAGE IS QUALIFIED FOR ELECTRO-MECHANICAL
CONTACT APPLICATIONS ONLY, NOT FOR SOLDERING. FOR MORE
INFORMATION, REFER TO APPLICATION NOTE 4132: ATTACHMENT
METHODS FOR THE ELECTRO-MECHANICAL SFN PACKAGE.
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