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DS28E05 Dataheets PDF



Part Number DS28E05
Manufacturers Maxim Integrated
Logo Maxim Integrated
Description 1-Wire EEPROM
Datasheet DS28E05 DatasheetDS28E05 Datasheet (PDF)

DS28E05 1-Wire EEPROM General Description The DS28E05 is a 112-byte user-programmable EEPROM organized as 7 pages of 16 bytes each. Memory pages can be individually set to write protected or EPROM emulation mode through protection byte settings. Each part has its own guaranteed unique 64-bit ROM identification number (ROM ID) that is factory programmed into the chip. The DS28E05 communicates over Maxim Integrated’s single contact 1-Wire® interface at overdrive speed with the ROM ID acting as n.

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DS28E05 1-Wire EEPROM General Description The DS28E05 is a 112-byte user-programmable EEPROM organized as 7 pages of 16 bytes each. Memory pages can be individually set to write protected or EPROM emulation mode through protection byte settings. Each part has its own guaranteed unique 64-bit ROM identification number (ROM ID) that is factory programmed into the chip. The DS28E05 communicates over Maxim Integrated’s single contact 1-Wire® interface at overdrive speed with the ROM ID acting as node address in the case of a multiple-device 1-Wire network. Applications ● Accessory/PCB Identification ● Medical Sensor Calibration Data Storage ● Analog Sensor Calibration ● Aftermarket Management of Consumables Features ● Single-Contact 1-Wire Interface ● 112 Bytes User EEPROM with 1K Write Cycles ● Programmable Write Protection and OTP EPROM Emulation Modes for User Memory ● Unique Factory-Programmed 64-Bit ROM ID Number ● Communicates with Host at Up to 76.9kbps (Overdrive Only) ● Operating Range: 1.71V to 3.63V, -40°C to +85°C ● ±8kV HBM ESD Protection (typ) on IO Pin ● 4-Ball UCSP, 2-Pad SFN, 3-Pin SOT23 and 6-Pin TSOC Packages Ordering Information appears at end of data sheet. Typical Application Circuit VCC 100kΩ Q1 VCC 1kΩ PIOX µC *PMV65XP PIOY GND BIDIRECTIONAL OPEN DRAIN PORT RPUP DS28E05 IO GND *NOTE: OPTIONAL Q1 LOW-IMPEDANCE BYPASS OR EQUALLY DRIVE LOGIC ‘1’ WITH PIOY 1-Wire is a registered trademark of Maxim Integrated Products, Inc. 19-6568; Rev 3; 2/17 DS28E05 1-Wire EEPROM Absolute Maximum Ratings IO Voltage Range to GND.....................................-0.5V to 3.63V IO Sink Current.................................................................±20mA Operating Temperature Range ........................... -40°C to +85°C Junction Temperature.......................................................+150°C Storage Temperature Range............................. -55°C to +125°C Lead Temperature (soldering, 10s).................................. +300°C Soldering Temperature (reflow) .......................................+260°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics (TA = -40°C to +85°C, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS IO PIN: GENERAL DATA 1-Wire Pullup Voltage 1-Wire Pullup Resistance Input Capacitance Input Load Current VPUP RPUP CIO IL (Note 2) VPUP = 2.75V to 3.63V (Note 3) VPUP = 1.71V to 2.75V (Note 3) (Notes 4, 5) IO pin at VPUP IO pin at VPUP = 1.8V+5% High-to-Low Switching Threshold VTL (Notes 6, 7) Input Low Voltage VIL VPUP = 2.75V to 3.63V (Notes 2, 8) VPUP = 1.71V to 2.75V (Notes 2, 8) Lo.


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