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DS2434
Memory Circuit, 256X1, CMOS, PBCY3, TO-92, 3 PIN
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DS2434 數據表
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詳細說明
The DS2434 Battery Identification Chip provides a convenient method of tagging and identifying battery packs by manufacturer, chemistry, or other identifying parameters. The DS2434 allows the battery pack to be coded with a unique identification number, and also store information regarding the battery life and charge/discharge characteristics in its nonvolatile memory.FEATURES■ Provides unique ID number to battery packs■ Eliminates thermistors by sensing battery temperature on-chip■ 256-bit nonvolatile user memory available for storage of user data such as gas gauge and manufacturing information■ Operating range of -40°C to +85°C■ Applications include portable computers, portable/cellular phones, consumer electronics, and handheld instrumentation.■ Surface-mount package (209-mil SSOP16) available
主要特徵
- Provides unique ID number to battery packs
- Eliminates thermistors by sensing battery temperature on-chip
- 256-bit nonvolatile user memory available for storage of user data such as gas gauge and manufacturing information
- Operating range of -40°C to +85°C
- Applications include portable computers, portable/cellular phones, consumer electronics, and handheld instrumentation.
- Surface-mount package (209-mil SSOP16) available
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Rohs Code | No | Part Life Cycle Code | Transferred |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.32.00.71 | JESD-30 Code | O-PBCY-W3 |
| JESD-609 Code | e0 | Memory Density | 256 bit |
| Memory IC Type | MEMORY CIRCUIT | Memory Width | 1 |
| Number of Functions | 1 | Number of Terminals | 3 |
| Number of Words | 256 words | Number of Words Code | 256 |
| Operating Mode ! | ASYNCHRONOUS | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -40 °C | Organization | 256X1 |
| Package Body Material | PLASTIC/EPOXY | Package Equivalence Code | SIP3,.075,50 |
| Package Shape | ROUND | Package Style | CYLINDRICAL |
| Power Supplies ! | 3.6/6.4 V | Qualification Status ! | Not Qualified |
| Supply Current-Max | 0.0015 mA | Supply Voltage-Max (Vsup) | 6.4 V |
| Supply Voltage-Min (Vsup) | 2.7 V | Supply Voltage-Nom (Vsup) | 3.6 V |
| Surface Mount ! | NO | Technology | CMOS |
| Temperature Grade ! | INDUSTRIAL | Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form ! | WIRE | Terminal Pitch ! | 1.27 mm |
| Terminal Position | BOTTOM |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is DS2434?
The DS2434 is a 4Kb 1-Wire EEPROM (Electrically Erasable Programmable Read-Only Memory) with an internal 4-byte unique electronic serial number designed by Maxim Integrated. It is ideal for applications requiring secure data storage, such as tamper detection, product identification, and calibration data storage.
How Does DS2434 Work?
The DS2434 works by storing and retrieving digital data using a single-wire interface. It features unique 64-bit factory-lasered, ROM-programmed and guaranteed, read-only serial number (LASERED!, not EEPROM) for secure identification. The EEPROM memory can be written to and read from, allowing for flexible data storage and retrieval.
How Many Pins does DS2434 have and What are the Functions of the Pinout Configuration?
The DS2434 is housed in a 6-pin TSOC (Thin Small-Outline Package) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- DQ: 1-Wire data input/output pin.
- NC: No connect pin.
- NC: No connect pin.
- RTS: Reset pin.
What are the Pros and Cons of DS2434?
Pros:
- Secure Serial Number: Features a unique, unalterable, 64-bit ROM serial number for secure identification.
- Single-Wire Interface: Allows for simple and cost-effective system integration with minimal wiring.
- Data Storage: Provides 4Kb of EEPROM memory for flexible data storage.
- Small Package: Housed in a small TSOC package for space-efficient designs.
Cons:
- Limited Memory Capacity: The 4Kb EEPROM capacity may be insufficient for certain data storage requirements.
- Single-Wire Communication: Single-wire communication may have limitations in terms of speed and noise immunity in certain applications.
Are There Any Equivalents/Alternatives to DS2434 for Recommendation?
- The DS28E04 from Maxim Integrated is a similar 1-Wire EEPROM with additional features such as SHA-256 authentication.
- Alternatives to the DS2434 include the DS2433 from Maxim Integrated and the DS28E15 from Maxim Integrated.
