AT24C64

AT24C64 , I2C , 2-Wire Serial EEPROM 64Kbits (8192 x 8) EEPROM

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SKU: IC-MEM-AT24C64
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Description

The AT24C32/64 provides 32,768/65,536 bits of serial electrically erasable and pro-grammable read only memory (EEPROM) organized as 4096/8192 words of 8 bitseach. The device’s cascadable feature allows up to 8 devices to share a common 2-wire bus. The device is optimized for use in many industrial and commercial applica-tions where low power and low voltage operation are essential. The AT24C32/64 isavailable in space saving 8-pin JEDEC PDIP, 8-pin JEDEC SOIC, 8-pin EIAJ SOIC,and 8-pin TSSOP (AT24C64) packages and is accessed via a 2-wire serial interface.In addition, the entire family is available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V)versions.

Datasheet : Download

DEVICE/PAGE ADDRESSES (A2, A1, A0): The A2, A1 and A0 pins are device addressinputs that are hard wired or left not connected for hardware compatibility withAT24C16. When the pins are hardwired, as many as eight 32K/64K devices may beaddressed on a single bus system (device addressing is discussed in detail under theDevice Addressing section). When the pins are not hardwired, the default A2, A1, and A0are zero

AT24C32/64, 32K/64K SERIAL EEPROM: The 32K/64K is internally organized as 256pages of 32 bytes each. Random word addressing requires a 12/13 bit data wordaddress

Features

• Low-Voltage and Standard-Voltage Operation
       –  2.7 (VCC = 2.7V to 5.5V)
       –  1.8 (VCC = 1.8V to 5.5V)
• Low-Power Devices (ISB = 2μA at 5.5V) Available
• Internally Organized 4096 x 8, 8192 x 8
• 2-Wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 100 kHz (1.8V, 2.5V, 2.7V) and 400 kHz (5V) Clock Rate
• Write Protect Pin for Hardware Data Protection
• 32-Byte Page Write Mode (Partial Page Writes Allowed)
• Self-Timed Write Cycle (10 ms max)
• High Reliability
     –  Endurance: 1 Million Write Cycles
     –  Data Retention: 100 Years
•Automotive Grade and Extended Temperature Devices Available
•8-Pin JEDEC PDIP, 8-Pin JEDEC SOIC, 8-Pin EIAJ SOIC, and 8-pin TSSOP Packages

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