AT24C32A - ATMEL

AT24C32A Two-wire Serial EEPROM

The AT24C32A/64A 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 8 devices to share a common twowire bus. The device is optimized for use in many automotive applications where low power and low voltage operation are.

Features

• Standard-Voltage Operation
  – 2.7 (VCC = 2.7V to 5.5V)
• Internally Organized 4096 x 8 (32K), 8192 x 8 (64K)
• Automotive Temperature Range
  –40C to +125C
• Two-wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 400 kHz Clock Rate
• Write Protect Pin for Hardware Data Protection
• 32-byte Page Write Mode (Partial Page Writes Allowed)
• Self-timed Write Cycle (5 ms Max)
• High Reliability
  – Endurance: 1 Million Write Cycles
  – Data Retention: 100 Years
• Lead-free/Halogen-free Devices Available
• 8-lead JEDEC SOIC and 8-lead .