24C512 64kx8 Serial CMOS EEPROM

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The AT24C512 provides 524,288 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 65,536 words of 8 bits each. The device’s cascadable feature allows up to four devices to share a common two-wire bus. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operations are essential. The devices is available in space-saving 8-pin PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-lead Leadless Array (LAP), and 8-lead SAP packages. In addition, the entire family is available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 3.6V) versions.

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24C512 Pinout

24C512 Pin Configuration

Pin No	Pin Name	Description
1	A0	User Configurable Chip Select
2	A1	User Configurable Chip Select
3	NC	No Connection
4	GND	Ground Pin
5	SDA	Serial Data Pin
6	SCL	Serial Clock Pin
7	WP	Write Protect Pin
8	VCC	Power Supply Pin

24C512 Key Features

Low-voltage and Standard-voltage Operation
- 2.7 (VCC = 2.7V to 5.5V)
- 1.8 (VCC = 1.8V to 3.6V)
Internally Organized 16,384 x 8 and 32,768 x 8
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1 MHz (5V), 400 kHz (2.7V, 2.5V) and 100 kHz (1.8V) Compatibility
Write Protect Pin for Hardware and Software Data Protection
64-byte Page Write Mode (Partial Page Writes Allowed)
Self-timed Write Cycle (5 ms Max)
High Reliability
- Endurance: One Million Write Cycles
- Data Retention: 40 Years
Extended Temperature and Lead-free/Halogen-free Devices Available