DS2433
4Kb 1-Wire EEPROM
FEATURES
. 4096 Bits Electrically Erasable Programmable
Read-Only Memory (EEPROM)
PIN CONFIGURATIONS
TOP VIEW
. Unique, Factory-Lasered and Tested 64-Bit
Registration Number (8-Bit Family Code +
48-Bit Serial Number + 8-Bit CRC Tester)
Assures Absolute Identity Because No Two
Parts Are Alike
. Built-In Multidrop Controller Ensures
Compatibility with Other MicroLAN
Products
. Memory Partitioned Into Sixteen 256-Bit
Pages for Packetizing Data
NC
NC
8
7
6
5
1
2
3
4
NC
NC
DATA
GND
NC
NC
. 256-Bit Scratchpad with Strict Read/Write
Protocols Ensures Integrity of Data Transfer
. Reduces Control, Address, Data, and Power
to a Single Data Pin
. Directly Connects to a Single Port Pin of a
Microprocessor and Communicates at Up to
16.3kbps
SO (208 mils)
1
1
2
2
3
3
. Overdrive Mode Boosts Communication
Speed to 142kbps
. 8-Bit Family Code Specifies DS2433
Communication Requirements to Reader
. Presence Detector Acknowledges When
Reader First Applies Voltage
BOTTOM VIEW
PR-35
Pin Configurations continued at end of data sheet.
. Low-Cost PR-35, SFN, Flip Chip, or 8-Pin
SO Surface-Mount Packages
. Reads and Writes Over a Wide Voltage
Range of 2.8V to 6.0V from -40°C to +85°C
ORDERING INFORMATION
PART
DS2433+
DS2433S+
TEMP RANGE PIN-PACKAGE
-40°C to +85°C
-40°C to +85°C
3 PR-35
8 SO
DS2433S+T&R -40°C to +85°C
DS2433G+T&R -40°C to +85°C
8 SO
2 SFN
6 Flip Chip
(10k pieces)
6 Flip Chip
(2.5k pieces)
PIN DESCRIPTION
Flip
PIN
PR-35
SO
SFN
DS2433X#T
-40°C to +85°C
Chip
Ground
Data
NC
NC
NC
1
2
3
4
5, 6
7, 8
Ground
Data
NC
NC
NC
Data
Ground
NC
Data
Ground
—
DS2433X-S#T -40°C to +85°C
+Denotes a lead(Pb)-free package.
#Denotes a RoHS-compliant device that may include lead(Pb) that is
exempt under the RoHS requirements.
—
—
—
—
—
—
T/T&R = Tape and reel.
NC
—
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-5581; 10/10