24AA08-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip 24AA08 is an 8 Kbit (1K x 8) serial EEPROM with a 2-wire I2C interface operating from 1.8 V to 5.5 V. Offers 1 million erase/write cycles and over 200-year data retention. Fits compact SOIC-8 and other small packages for embedded non-volatile storage.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 24AA08-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2753(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8 Kbit (1024 x 8) serial EEPROM with 2-wire I2C interface up to 100 kHz
- Wide supply voltage range of 1.8 V to 5.5 V for battery and regulated systems
- 1 million guaranteed erase/write cycles per page for high-reliability storage
- Data retention exceeding 200 years at room temperature
- 8-byte page write buffer reduces host write overhead
- SOIC-8 package enables compact PCB footprint for space-constrained designs
Applications
The 24AA08 is commonly used for storing calibration data, configuration parameters, and firmware settings in microcontroller-based systems such as IoT nodes, industrial sensors, and consumer appliances. Its I2C interface and low 1.8 V minimum supply make it ideal for battery-powered wearables and medical monitoring devices requiring reliable non-volatile storage.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 8Weeks |
| Additional Feature | 2-WIRE SERIAL INTERFACE; DATA RETENTION > 200 YEARS; 1000000 ERASE/WRITE CYCLES GUARANTEED |
| Clock Frequency-Max (fCLK) | 0.1MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| I2C Control Byte | 1010XMMR |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 8192bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Words | 1024words |
| Number of Words Code | 1000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 1KX8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supplies | 2/5 V |
| Qualification Status | Not Qualified |
| Serial Bus Type | I2C |
| Standby Current-Max | 0.000001A |
| Subcategory | EEPROMs |
| Supply Current-Max | 0.003mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.7V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 24AA08 I2C address scheme allow multiple EEPROM devices on one bus?
The 24AA08 uses the I2C control byte 1010XMMR, where two bits select one of four 2 Kbit memory blocks within the 8 Kbit array. Up to four 24AA08 devices can share one I2C bus by assigning different block addresses, providing up to 32 Kbit of addressable serial EEPROM in a compact 8-pin package.
For a 3.3 V microcontroller system, can 24AA08 be used directly without level shifting?
Yes. The 24AA08 operates from 1.8 V to 5.5 V, so it is directly compatible with 3.3 V logic systems without level translators. The I2C bus can run at up to 100 kHz, which is sufficient for most configuration-data read and write operations at system startup.
What write endurance and data retention does 24AA08 guarantee for industrial logging applications?
Microchip guarantees 1 million erase/write cycles per page and a data retention period exceeding 200 years. For industrial applications such as event logging or wear-leveled configuration storage, the endurance is typically adequate; designers needing higher cycle counts should consider FRAM or NOR Flash alternatives.
Is the 24AA08 qualified for industrial temperature environments?
The -I suffix variant of 24AA08 is rated for the industrial operating temperature range of -40°C to +85°C, making it suitable for outdoor sensors, automotive accessory modules, and factory automation equipment where ambient temperatures can swing widely.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3487 | $0.35 |
| 6+ | $0.2762 | $1.66 |
| 17600+ | $0.2753 | $4844.58 |
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