AT24C1024BW-SH-B Microchip Integrated Circuit (Small Outline Packages) In Stock
The AT24C1024BW-SH-B is a 1 Mbit I2C serial EEPROM from Microchip with up to 1 MHz clock frequency and 1,000,000 write/erase cycle endurance. It comes in an SOIC-8 package suitable for embedded data logging and configuration storage applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- AT24C1024BW-SH-B Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1 Mbit (1,048,576-bit) storage density providing ample non-volatile memory for configuration data and firmware parameters
- Up to 1 MHz I2C clock frequency enabling fast serial read/write access with support for 0.4 MHz operation down to 1.8 V supply
- 1,000,000 write/erase cycle endurance with 40-year minimum data retention ensuring long-term reliability in industrial and consumer designs
Applications
The AT24C1024BW-SH-B is used in embedded systems requiring reliable non-volatile storage of configuration data, calibration parameters, and event logs over I2C. Its 1 Mbit capacity and endurance of 1,000,000 write cycles make it suitable for industrial sensors, medical devices, and consumer electronics where long data retention of 40 years is critical.
Specifications
| YTEOL | 0 |
| Additional Feature | IT ALSO OPERATES AT 0.4MHZ AT 1.8MIN SUPPLY |
| Clock Frequency-Max (fCLK) | 1MHz |
| Data Retention Time-Min | 40 |
| Endurance | 1000000 Write/Erase Cycles |
| I2C Control Byte | 1010DDMR |
| JESD-30 Code | R-PDSO-G8 |
| Memory Density | 1048576bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Words | 131072words |
| Number of Words Code | 128000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 128KX8 |
| Output Characteristics | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Page Size | 256words |
| Parallel/Serial | SERIAL |
| Serial Bus Type | I2C |
| Standby Current-Max | 0.000006A |
| Supply Current-Max | 0.003mA |
| Supply Voltage-Max (Vsup) | 5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE/SOFTWARE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for AT24C1024BW-SH-B:
Frequently Asked Questions
What is the storage capacity and I2C clock speed of the AT24C1024BW-SH-B?
The AT24C1024BW-SH-B provides 1,048,576 bits (1 Mbit) of EEPROM storage and supports an I2C clock frequency of up to 1 MHz, with compatibility down to 0.4 MHz at a minimum supply voltage of 1.8 V for low-power applications.
How many write/erase cycles does the AT24C1024BW-SH-B support and what is its data retention guarantee?
The AT24C1024BW-SH-B is rated for 1,000,000 write/erase cycles and guarantees a minimum data retention period of 40 years, making it reliable for industrial control systems, medical instrumentation, and other applications requiring durable non-volatile storage.
Which embedded designs benefit most from the AT24C1024BW-SH-B EEPROM in a compact 8-pin package?
Embedded designs such as smart meters, IoT sensor nodes, and automotive control modules benefit from the AT24C1024BW-SH-B because its SOIC-8 package occupies minimal PCB area while offering 1 Mbit of reliable storage accessible over a standard 2-wire I2C interface at up to 1 MHz.
What I2C address configuration does the AT24C1024BW-SH-B use to allow multiple devices on the same bus?
The AT24C1024BW-SH-B uses an I2C control byte of 1010DDMR, where the DD bits are hardware-configurable device address pins, allowing up to 4 devices to share the same I2C bus, with the 8-bit data width supporting standard byte-oriented read and write operations.
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