32K-Bit Standard 2-Wire Bus Interface Serial EEPROM
FM24C32U – 32K-Bit Standard 2-Wire Bus Interface Serial EEPROM
September 2002
FM24C32U – 32K-Bit Standard 2-Wire Bus I...
Description
FM24C32U – 32K-Bit Standard 2-Wire Bus Interface Serial EEPROM
September 2002
FM24C32U – 32K-Bit Standard 2-Wire Bus Interface Serial EEPROM
General Description
FM24C32U is a 32Kbit CMOS non-volatile serial EEPROM organized as 4K x 8 bit memory. This device confirms to Extended IIC 2-wire protocol that allows accessing of memory in excess of 16Kbit on an IIC bus. This serial communication protocol uses a Clock signal (SCL) and a Data signal (SDA) to synchronously clock data between a master (e.g. a microcontroller) and a slave (EEPROM). FM24C32U is designed to minimize pin count and simplify PC board layout requirements. FM24C32U offers hardware write protection where by the upper half (upper 16Kbit) of the memory array can be write protected by connecting WP pin to VCC. This section of memory then becomes unalterable until the WP pin is switched to VSS. “LZ” and “L” versions of FM24C32U offer very low standby current making them suitable for low power applications. This device is offered in both SO and DIP packages. Fairchild EEPROMs are designed and tested for applications requiring high endurance, high reliability and low power consumption.
Features
I Extended operating voltage: 2.7V to 5.5V I Up to 400 KHz clock frequency at 2.7V to 5.5V I Low power consumption — 0.2mA active current typical — 10µA standby current typical — 1µA standby current typical (L version) — 0.1µA standby current typical (LZ version) I Schmitt trigger inputs I 32 byte page write mode I Self time...
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