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24AA256UID Datasheet(PDF) 1 Page - Microchip Technology |
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24AA256UID Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 28 page  2013 Microchip Technology Inc. DS20005215A-page 1 24AA256UID Device Selection Table Features: • Pre-Programmed 32-Bit Serial Number: - Unique across all UID-family EEPROMs - Scalable to 48-bit, 64-bit, 128-bit, 256-bit, and other lengths • Pre-Programmed Globally Unique, 48-bit or 64-bit Node Address: - Compatible with EUI-48™ and EUI-64™ • Codes Stored in Permanently Write-Protected Upper 1/8th of EEPROM Array • Single Supply with Operation Down to 1.7V • Low-Power CMOS Technology: - Active current 400 uA, typical - Standby current 100 nA, typical • 2-Wire Serial Interface, I2C™ Compatible • Cascadable up to Eight Devices • Schmitt Trigger Inputs for Noise Suppression • Output Slope Control to Eliminate Ground Bounce • 100 kHz and 400 kHz Clock Compatibility • Page Write Time 5 ms Max. • Self-Timed Erase/Write Cycle • 64-Byte Page Write Buffer • ESD Protection >4000V • More than One Million Erase/Write Cycles • Data Retention >200 years • Packages Include 8-lead PDIP, SOIC and TSSOP • RoHS Compliant • Temperature Ranges: Description: The Microchip Technology Inc. 24AA256UID is a 32K x 8 (256 Kbit) Serial Electrically Erasable PROM with pre-programmed EUI-48 and EUI-64 node addresses and a 32-bit Unique ID, capable of operation across a broad voltage range (1.7V to 5.5V). This device also has a page write capability of up to 64 bytes of data. This device is available in the standard 8-pin plastic DIP, SOIC and TSSOP packages. Block Diagram Package Types Part Number VCC Range Max. Clock Frequency Temp. Ranges Page Size EUI-48™ EUI-64™ Unique ID Length 24AA256UID 1.7-5.5V 400 kHz(1) I 64-byte Yes Yes 32-bit Note 1: 100 kHz for VCC < 2.5V. - Industrial (I): -40 C to +85C HV Generator EEPROM Array Page Latches YDEC XDEC Sense Amp. R/W Control Memory Control Logic I/O Control Logic I/O A0 A1A2 SDA SCL VCC VSS A0 A1 A2 VSS VCC NC SCL SDA 1 2 3 4 8 7 6 5 PDIP SOIC/TSSOP A0 A1 A2 VSS 1 2 3 4 8 7 6 5 VCC NC SCL SDA 256K I2C™ Serial EEPROM with EUI-48™, EUI-64™ and Unique 32-Bit Serial Number |
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