
19
Maxim Integrated
Low-Current SPI/3-Wire RTCs
DS1343/DS1344
Ordering Information
+Denotes a lead(Pb)-free/RoHS-compliant package.
*Future product—Contact factory for availability.
**EP = Exposed pad.
Chip Information
SUBSTRATE CONNECTED TO GROUND
Package Information
For the latest package outline information and land patterns
that a “+”, “#”, or “-” in the package code indicates RoHS status
only. Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.
PART
TEMP RANGE
TYP OPERATING
VOLTAGE (V)
OSC CL
(pF)
PIN-PACKAGE
DS1343E-18+*
-40NC to +85NC
1.8
6
20 TSSOP
DS1343E-3+*
-40NC to +85NC
3.0
6
20 TSSOP
DS1343E-33+
-40NC to +85NC
3.3
6
20 TSSOP
DS1343D-18+*
-40NC to +85NC
1.8
6
14 TDFN-EP**
DS1343D-3+*
-40NC to +85NC
3.0
6
14 TDFN-EP**
DS1343D-33+
-40NC to +85NC
3.3
6
14 TDFN-EP**
DS1344E-18+*
-40NC to +85NC
1.8
12.5
20 TSSOP
DS1344E-3+*
-40NC to +85NC
3.0
12.5
20 TSSOP
DS1344E-33+
-40NC to +85NC
3.3
12.5
20 TSSOP
DS1344D-18+*
-40NC to +85NC
1.8
12.5
14 TDFN-EP**
DS1344D-3+*
-40NC to +85NC
3.0
12.5
14 TDFN-EP**
DS1344D-33+
-40NC to +85NC
3.3
12.5
14 TDFN-EP**
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
20 TSSOP
U20+1
14 TDFN-EP
T1433+2