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DS2433
4Kb 1-Wire EEPROM
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Manufacturer:
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Mfr.Part #:
DS2433
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Datasheet:
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Part Life Cycle Code:
Transferred
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Clock Frequency-Max (fCLK):
0.0163 MHz
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Endurance:
100000 Write/Erase Cycles
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JESD-30 Code:
O-PBCY-T3
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EDA/CAD Models:
Availability: 5521 PCS
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DS2433 General Description
The DS2433 4Kb 1-Wire® EEPROM identifies and stores relevant information about the product to which it is associated. This lot or product specific information can be accessed with minimal interface, for example a single port pin of a microcontroller. The DS2433 consists of a factory-lasered registration number that includes a unique 48-bit serial number, an 8-bit CRC, and an 8-bit Family Code (23h) plus 4096 bits of user-programmable EEPROM. The power to read and write the DS2433 is derived entirely from the 1-Wire communication line. The memory is organized as sixteen pages of 256 bits each. The scratchpad is an additional page that acts as a buffer when writing to memory. Data is first written to the scratchpad where it may be read back for verification. A copy scratchpad command will then transfer the data to memory. This process insures data integrity when modifying the memory. The 64-bit registration number provides a guaranteed unique identity which allows for absolute traceability and acts as node address if multiple DS2433s are connected in parallel to form a local network. Data is transferred serially via the 1-Wire protocol which requires only a single data lead and a ground return. The PR-35 and SO packages provide a compact enclosure that allows standard assembly equipment to handle the device easily for attachment to printed circuit boards or wiring. Typical applications include storage of calibration constants, board identification and product revision status.
Key Features
- 4096 Bits Electrically Erasable Programmable Read-Only Memory (EEPROM)
- 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
- 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
- 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
- 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
Application
- Device Authentication
- IEEE 1451.4 Sensor TEDS
- Ink/Toner Cartridges
- Medical Sensors
- PCB Identification
- Self-Configuration of Central Office Switches, Wireless Base Stations, PBXs, or other Modular-Based Rack Systems
Specifications
Part Life Cycle Code | Transferred | Reach Compliance Code | |
Clock Frequency-Max (fCLK) | 0.0163 MHz | Endurance | 100000 Write/Erase Cycles |
JESD-30 Code | O-PBCY-T3 | JESD-609 Code | e0 |
Memory Density | 4096 bit | Memory IC Type | EEPROM |
Memory Width | 8 | Number of Functions | 1 |
Number of Terminals | 3 | Number of Words | 512 words |
Number of Words Code | 512 | Operating Mode | SYNCHRONOUS |
Operating Temperature-Max | 85 °C | Operating Temperature-Min | -40 °C |
Organization | 512X8 | Parallel/Serial | SERIAL |
Qualification Status | Not Qualified | Serial Bus Type | 1-WIRE |
Supply Voltage-Max (Vsup) | 6 V | Supply Voltage-Min (Vsup) | 2.8 V |
Surface Mount | NO | Technology | CMOS |
Temperature Grade | INDUSTRIAL | Terminal Finish | Tin/Lead (Sn/Pb) |
Terminal Form | THROUGH-HOLE | Terminal Pitch | 1.27 mm |
Terminal Position | BOTTOM |
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Availability: 5521 PCS
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