AT24C32D-SSHM-T 32Kb I2C Serial EEPROM 1.7V to 5.5V Wide Voltage 1MHz Speed 32-byte Page Hardware WP 1M Write Cycles 100-year Retention SOIC-8 Industrial Temp

AT24C32D-SSHM-T 32Kb I2C Serial EEPROM 1.7V to 5.5V Wide Voltage 1MHz Speed 32-byte Page Hardware WP 1M Write Cycles 100-year Retention SOIC-8 Industrial Temp

Features

• Low-Voltage and Standard-Voltage Operation:

  – VCC = 1.7V to 5.5V

• Internally Organized as 4,096 x 8 (32K)

• Industrial Temperature Range: -40°C to +85°C

• I2C-Compatible (2-Wire) Serial Interface:

  – 100 kHz Standard mode, 1.7V to 5.5V

  – 400 kHz Fast mode, 1.7V to 5.5V

  – 1 MHz Fast Mode Plus (FM+), 2.5V to 5.5V

• Schmitt Triggers, Filtered Inputs for Noise Suppression

• Bidirectional Data Transfer Protocol

• Write‑Protect Pin for Full Array Hardware Data Protection

• Ultra Low Active Current (3 mA maximum) and Standby Current (6 μA maximum)

• 32-Byte Page Write Mode:

  – Partial page writes allowed

• Random and Sequential Read Modes

• Self‑Timed Write Cycle within 5 ms Maximum

• High Reliability:

  – Endurance: 1,000,000 write cycles

  – Data retention: 100 years

• Green Package Options (Lead-free/Halide-free/RoHS compliant)

• Die Sale Options: Wafer Form and Bumped Wafers

Applications

1. Consumer Electronics

Smart Home Appliances: Stores user settings, configuration parameters (e.g., temperature, mode), and operation records.

TVs/Monitors: Stores EDID data such as resolution, color parameters, and user-defined modes.

Audio Devices: Stores equalizer settings, preset radio stations, volume levels, etc.

IoT Devices: Stores device-unique IDs, network configuration parameters, and sensor calibration data.

2. Communication & Networking Equipment

Routers, Switches, Modems: Stores critical data such as MAC addresses, default configurations, and production debugging information.

Baseband Modules: Stores module configuration parameters and identification information.

3. Industrial & Automotive Electronics

Industrial Control: Stores device calibration data, production dates, serial numbers, and maintenance logs.

Automotive Electronics: Used in infotainment systems, dashboards, and body control modules (BCMs) to store non-critical configuration data. Its industrial temperature range (-40°C to +85°C) meets most automotive and industrial requirements.

4. Computer & Peripheral Devices

Printer Cartridges/Toners: A classic application—stores ink levels, serial numbers, and usage dates to prevent counterfeiting.

Motherboards (BIOS): Stores hardware configuration information.

RAID Cards: Stores configuration data.

Memory Modules: Stores SPD (Serial Presence Detect) information such as timings, voltage, and manufacturer details.

5. Medical Equipment

Portable Medical Devices: Stores device calibration data, user preferences, and usage records (note: medical certification requires system-level consideration).

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 SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN, 5-lead SOT23 and 8 ball VFBGA packages. All packages operate from 1.7V to 5.5V.

INFORMATION

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