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24LC32AT Datasheet(PDF) 1 Page - Microchip Technology |
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24LC32AT Datasheet(HTML) 1 Page - Microchip Technology |
1 / 26 page 2003 Microchip Technology Inc. DS21713D-page 1 24AA32A/24LC32A Device Selection Table Features • Single supply with operation down to 1.8V • Low-power CMOS technology - 1 mA active current typical -1 µA standby current (max.) (I-temp) • Organized as 4 blocks of 8K bits (32K bit) • 2-wire serial interface bus, I2C™ compatible • Cascadable for up to eight devices • Schmitt Trigger inputs for noise suppression • Output slope control to eliminate ground bounce • 100 kHz (<2.5V) and 400 kHz ( ≥2.5V) compatibility • Self-timed write cycle (including auto-erase) • Page write buffer for up to 32 bytes • 2 ms typical write cycle time for page write • Hardware write-protect for entire memory • Can be operated as a serial ROM • Factory programming (QTP) available • ESD protection > 4,000V • 1,000,000 erase/write cycles • Data retention > 200 years • 8-lead PDIP, SOIC, TSSOP and MSOP packages • Standard and Pb-free finishes available • Available temperature ranges: - Industrial (I): -40°C to +85°C - Automotive (E): -40°C to +125°C Description The Microchip Technology Inc. 24AA32A/24LC32A (24XX32A*) is a 32 Kbit Electrically Erasable PROM. The device is organized as four blocks of 8K x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 1.8V, with standby and active currents of only 1 µA and 1 mA, respectively. It has been developed for advanced, low- power applications such as personal communications or data acquisition. The 24XX32A also has a page write capability for up to 32 bytes of data. Functional address lines allow up to eight devices on the same bus, for up to 256 Kbits address space. The 24XX32A is available in the standard 8-pin PDIP, surface mount SOIC, TSSOP and MSOP packages. Package Types Block Diagram Part Number VCC Range Max Clock Frequency Temp Ranges 24AA32A 1.8-5.5 400 kHz(1) I 24LC32A 2.5-5.5 400 kHz I, E Note 1: 100 kHz for VCC <2.5V A0 A1 A2 Vss 1 2 3 4 8 7 6 5 Vcc WP SCL SDA PDIP/SOIC/TSSOP/MSOP WP Vcc A0 A1 SCL SDA Vss A2 1 2 3 4 8 7 6 5 ROTATED TSSOP (24AA32AX/24LC32AX) HV Generator EEPROM Array Page Latches YDEC XDEC Sense Amp. R/W Control I/O Control Logic I/O Memory Control Logic A0 A1 WP A2 SCL SDA Vcc VSS 32K I2C™ Serial EEPROM *24XX32A is used in this document as a generic part number for the 24AA32A/24LC32A devices. |
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