24LC32AX-E-SM Datasheet

32K I2C Serial EEPROM


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 1µA 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.

• Single supply with operation down to 1.8V
• Low-power CMOS technology
- 1 mA active current typical
-1µA 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



Manufacturer information


Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc. has acquired Atmel.

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