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34AA02 Datasheet(PDF) 1 Page - Microchip Technology |
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34AA02 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 32 page  2010 Microchip Technology Inc. DS22029E-page 1 34AA02/34LC02 Features: • Permanent and Resettable Software Write-Protect for Lower Half of the Array (00h-7Fh) • Single Supply with Operation Down to 1.7V • Low-Power CMOS Technology: - Read current 1 mA, typical - Standby current, 100 nA, typical • 2-Wire Serial Interface Bus, 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 Compatibility • 1 MHz Clock for LC Versions • Page Write Time 3 ms, typical • Self-Timed Erase/Write Cycle • 16-Byte Page Write Buffer • ESD Protection > 4,000V • Software Write Protection for Lower 128 Bytes • Hardware Write Protection for Entire Array • More than 1 Million Erase/Write Cycles • Data Retention > 200 Years • 8-Lead PDIP, SOIC, TSSOP, MSOP and TDFN packages • 6-Lead SOT-23 Package • Pb-free and RoHS Compliant • Available for Extended Temperature Ranges: - Industrial (I): -40°C to +85°C - Automotive (E): -40°C to +125°C Device Selection Table Package Types Description: The Microchip Technology Inc. 34AA02/34LC02 (34XX02*) is a 2 Kbit Electrically Erasable PROM capable of operation across a broad voltage range (1.7V to 5.5V). This device has two software write- protect features for the lower half of the array, as well as an external pin that can be used to write-protect the entire array. This allows the system designer to protect none, half, or all of the array, depending on the application. The device is organized as one block of 256 x 8-bit memory with a 2-wire serial interface. Low- voltage design permits operation down to 1.7V, with standby and active currents of only 100 nA and 1 mA, respectively. The 34XX02 also has a page write capability for up to 16 bytes of data. The 34XX02 is available in the standard 8-pin PDIP, surface mount SOIC, TSSOP, MSOP and TDFN packages. The 34XX02 is also available in the 6-lead, SOT-23 package. Part Number VCC Range Max. Clock Frequency Temp Ranges 34AA02 1.7-5.5 400 kHz(1) I,E 34LC02 2.2-5.5 1 MHz I,E Note 1: 100 kHz for VCC <1.8V. A0 A1 A2 VSS 1 2 3 4 8 7 6 5 VCC WP SCL SDA PDIP/SOIC/TSSOP/MSOP/TDFN A0 A1 A2 VSS WP SCL SDA VCC 8 7 6 5 1 2 3 4 SOT-23 6 2 4 SDA VCC VSS A0 A1 5 3 1 SCL 2K I2C™ Serial EEPROM Software Write-Protect *34XX02 is used in this document as a generic part number for the 34AA02/34LC02 devices. |
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