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1. Description
The AT24C32D provides 32,768 bits of Serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 4,096 words of 8 bits each. The device’s cascading 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 devices are available in space-saving 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN, 5-lead SOT23, 5-ball WLCSP, and 8-ball VFBGA packages. In addition, this device operates from 1.7V to 5.5V.
2. Features
1. Low-voltage and Standard-voltage Operation̶
- VCC = 1.7V to 5.5V
2. Internally Organized as 4,096 x 8 (32K)
3. I2C-compatible (2-Wire) Serial Interface
4. Schmitt Trigger, Filtered Inputs for Noise Suppression
5. Bidirectional Data Transfer Protocol
6. 400kHz (1.7V) and 1MHz (2.5V, 2.7V, 5.0V) Compatibility
7. Write Protect Pin for Hardware Protection
8. 32-byte Page Write Mode
- Partial Page Writes Allowed
9. Self-timed Write cycle (5ms Max)
10. High Reliability
- Endurance: 1,000,000 Write Cycles
- Data Retention: 100 Years
11. Lead-free/Halogen-free devices Available
12. Green Package Options (Pb/Halide-free/RoHS Compliant)
- 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN, 5-lead SOT23, 5-ball WLCSP, and 8-ball VFBGA packages
13. Die Sale Options: Wafer Form, Waffle Pack, and Bumped Wafers
3. Pin Configurations
4. Block Diagram
5. Packaging Information
