AT24C32 Datasheet

2-Wire Serial Electrically Erasable and Programmable Read-only Memory


The Atmel® AT24C32 provides 32,768-/65,536-bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 4096/8192 words of 8-bits each. The device’s cascadable feature allows up to eight devices to share a common 2-wire bus. The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential. The AT24C32 is available in space saving 8-lead JEDEC SOIC, 8-lead TSSOP, 8-lead UDFN, 8-lead XDFN, 5-lead SOT23 and 8-ball VFBGA and is accessed via a 2-wire serial interface. In addition, the entire family operates from 1.7V to 5.5V. AT24C32 Features • Low-voltage and Standard-voltage Operation – VCC = 1.7 to 5.5V• Internally Organized 4096 x 8, 8192 x 8• 2-Wire Serial Interface• Schmitt Trigger, Filtered Inputs for Noise Suppression• Bi-directional Data Transfer Protocol• 1MHz (5.0V) and 400KHz (1.8V Compatibility)• Write Protect Pin for Hardware Data Protection• 32-Byte Page Write Mode (Partial Page Writes Allowed)• Self-Timed Write Cycle (5ms max)• High Reliability – Endurance: 1 Million Write Cycles – Data Retention: 100 Years• Lead-free/Halogen-free Devices• 8-lead JEDEC SOIC, 8-lead TSSOP, 8-lead UDFN, 8-lead XDFN, 5-lead SOT23 and 8-ball VFBGA• Die Sales: Wafer Form, Waffle Pack and Bumped Wafers


[{"Name":"Memory Size","Value":"32 Kbit "},{"Name":"Organization","Value":"4096 x 8 "},{"Name":"Data Retention","Value":"100 yr "},{"Name":"Maximum Clock Frequency","Value":"1000 kHz "},{"Name":"Maximum Operating Current","Value":"1 mA "},{"Name":"Operating Supply Voltage","Value":"1.7 V to 5.5 V "},{"Name":"Maximum Operating Temperature","Value":"+ 85 C "},{"Name":"Minimum Operating Temperature","Value":"- 40 C "},{"Name":"Operating Current","Value":"0.4 mA "},{"Name":"","Value":""}]

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