Description

The 24LC32A is an Electrically Erasable PROM in the memory product category of Microchip Technology Inc. It has a 2-wire serial interface, permits operation down to 2.5V, and has a low-power design. It is developed for use in advanced, low-power applications such as data acquisition or personal communications. The device allows for up to eight devices on the same bus and is available in various packages ranging from the standard 8-pin PDIPs to Chip-Scale packages.

Specifications and features

• Single Supply with Operation down to 2.5V
• Active current 1 mA (typical)
• Standby current 1 µA (typical)
• 2-Wire Serial Interface, I2C™ Compatible
• 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
• 32-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, SOIJ, TSSOP, X-Rotated TSSOP, MSOP, DFN, TDFN, 5-lead SOT-23 and Chip Scale
• Pb-Free and RoHS Compliant
• Temperature Ranges: - Industrial (I): -40°C to +85°C - Automotive (E): -40°C to +125°C

Application Scenarios

The 24LC32A can be used in various low-power applications including personal communications or data acquisition. With its page write capability, it can handle up to 32 bytes of data and allows for up to eight devices on the same bus.

Comparison

• Low-voltage design permits operation down to 2.5V
• Low-power design with active current only at 1 mA and standby at 1 µA
• High ESD protection of over 4,000V
• Data retention of over 200 years
• Self-timed erase/write cycle

• Limited to 32 Kbit capacity
• Page write time of 5ms max