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I²C-Compatible (Two-Wire) Serial EEPROM 256‑Kbit (32,768 x 8) AT24C256C
Features
Packages
1 Package Types (not to scale)
2 Pin Descriptions
2.1 Device Address Inputs (A0, A1, A2)
2.2 Ground
2.3 Serial Data (SDA)
2.4 Serial Clock (SCL)
2.5 Write-Protect (WP)
2.6 Device Power Supply
3 Description
3.1 System Configuration Using Two-Wire Serial EEPROMs
3.2 Block Diagram
4 Electrical Characteristics
4.1 Absolute Maximum Ratings
4.2 DC and AC Operating Range
4.3 DC Characteristics
4.4 AC Characteristics
4.5 Electrical Specifications
5 Device Operation and Communication
5.1 Clock and Data Transition Requirements
5.2 Start and Stop Conditions
5.3 Acknowledge and No-Acknowledge
5.4 Standby Mode
5.5 Software Reset
6 Memory Organization
6.1 Device Addressing
7 Write Operations
7.1 Byte Write
7.2 Page Write
7.3 Acknowledge Polling
7.4 Write Cycle Timing
7.5 Write Protection
8 Read Operations
8.1 Current Address Read
8.2 Random Read
8.3 Sequential Read
9 Device Default Condition from Microchip
10 Packaging Information
10.1 Package Marking Information
11 Revision History
Microchip Information
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