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24AA044 Datasheet(PDF) 1 Page - Microchip Technology |
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24AA044 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 32 page  2014 Microchip Technology Inc. DS20005286A-page 1 24AA044 Device Selection Table Features: • Single Supply with Operation from 1.7V to 5.5V • Low-Power CMOS Technology: - Read current 400 A, max - Standby current 1 A, max at 85°C • 2-Wire Serial Interface, I2C™ Compatible • Cascadable up to Four Devices • Schmitt Trigger Inputs for Noise Suppression • Output Slope Control to Eliminate Ground Bounce • 1 MHz, 400 kHz, and 100 kHz Clock Compatibility • Page Write Time 5 ms Maximum • Self-timed Erase/Write Cycle • 16-Byte Page Write Buffer • Hardware Write-Protect • ESD Protection >4,000V • More than 1 Million Erase/Write Cycles • Data Retention >200 Years • Factory Programming Available • Packages include 8-lead PDIP, SOIC, TSSOP, UDFN and MSOP • RoHS Compliant • Temperature Ranges: - Industrial (I): -40°C to +85°C - Automotive (E): -40°C to +125°C Description: The Microchip Technology Inc. 24AA044 is a 4 Kbit Serial Electrically Erasable PROM with a voltage range of 1.7V to 5.5V. The device is organized as two blocks of 256 x 8-bit memory with a 2-wire serial interface. Low-current design permits operation with standby and active currents of only 1 A and 400 A, respectively. The device has a page write capability for up to 16 bytes of data. Functional address lines allow the connection of up to four 24AA044 devices on the same bus for up to 16K bits of contiguous EEPROM memory. The device is available in the standard 8-pin PDIP, 8-pin SOIC (3.90 mm), TSSOP, 2x3 UDFN and MSOP packages. Package Types Block Diagram Part Number VCC Range Max Clock Frequency Temp. Range 24AA044 1.7V-5.5V 1 MHz(1) I, E Note 1: 400 kHz for 1.8V ≤ VCC < 2.2V 100 kHz for VCC < 1.8V NC A1 A2 VSS VCC WP SCL SDA 1 2 3 4 8 7 6 5 PDIP/SOIC/TSSOP/MSOP NC A1 A2 VSS WP SCL SDA VCC 8 7 6 5 1 2 3 4 UDFN I/O Control Logic Memory Control Logic XDEC HV Generator EEPROM Array Write-Protect Circuitry YDEC VCC VSS Sense Amp. R/W Control SDA SCL WP A1A2 4K I2C™ Serial EEPROM |
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