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DS24B33+R

Description
1-Wire 4Kb EEPROM
File Size230KB,22 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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DS24B33+R Overview

1-Wire 4Kb EEPROM

19-5759; Rev 0; 2/11
4Kb 1-Wire EEPROM with
200k Write/Erase Cycles
General Description
The DS24B33 is a 4096-bit, 1-Wire
®
EEPROM orga-
nized as 16 memory pages of 256 bits each. Data is
written to a 32-byte scratchpad, verified, and then
copied to the EEPROM memory. The DS24B33 commu-
nicates over a single-conductor 1-Wire bus. The com-
munication follows the standard 1-Wire protocol. Each
device has its own unalterable and unique 64-bit regis-
tration number that is factory programmed into the chip.
The registration number is used to address the device
in a multidrop 1-Wire net environment. The EEPROM
provides 200,000 cycles of write/erase endurance at
+25°C. The DS24B33 is software compatible to the
DS2433.
Features
4096 Bits of Nonvolatile EEPROM Partitioned Into
Sixteen 256-Bit Pages
Read and Write Access is Highly Backward-
Compatible to the DS2433
256-Bit Scratchpad with Strict Read/Write
Protocols Ensures Integrity of Data Transfer
200,000 Write/Erase Cycle Endurance at +25°C
Unique, Factory-Programmed, 64-Bit Registration
Number Ensures Error-Free Device Selection and
Absolute Part Identity
Switchpoint Hysteresis to Optimize Performance
in the Presence of Noise
Communicates to Host at 15.4kbps or 125kbps
Using 1-Wire Protocol
Low-Cost Through-Hole and SMD Packages
Operating Range: +2.8V to +5.25V, -40°C to +85°C
IEC 1000-4-2 Level 4 ESD Protection (±8kV
Contact, ±15kV Air, Typical) for IO Pin
DS24B33
Applications
Storage of Calibration Constants
Board Identification
Storage of Product Revision Status
Typical Operating Circuit
V
CC
R
PUP
IO
μC
DS24B33
Ordering Information
PART
DS24B33+
DS24B33+T&R
DS24B33S+
GND
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
TO-92
TO-92
8 SO (208 mils)
8 SO (208 mils)
DS24B33S+T&R
+Denotes
a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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