24AA64T-I/MC Microchip Integrated Circuit (Small Outline No-lead) In Stock
24AA64T-I/MC is a 64 Kbit I2C serial EEPROM from Microchip supporting up to 400 kHz fast-mode I2C, 1 million write/erase cycles, and 200-year data retention. Housed in a compact DFN-8 no-lead package.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 24AA64T-I/MC Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4932(MOQ 3)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 64 Kbit I2C EEPROM with 400 kHz fast-mode support enables rapid configuration data access in microcontroller-based embedded systems
- 1,000,000 write/erase cycle endurance and 200-year data retention guarantee long-term reliability for mission-critical non-volatile storage
- Compact DFN-8 (Small Outline No-lead) package minimizes PCB footprint and supports lead-free, RoHS-compliant assembly
Applications
The 24AA64T-I/MC suits embedded applications requiring reliable non-volatile parameter and configuration storage, including smart home controllers, wearable fitness devices, and industrial sensor calibration systems. Its 64 Kbit capacity and 400 kHz I2C interface allow efficient storage and fast retrieval of firmware settings, calibration coefficients, and user preferences. The DFN-8 package is especially useful in miniaturized designs where board area is at a premium.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-8 |
| Factory Lead Time | 24Weeks |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 0.4MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| I2C Control Byte | 1010DDDR |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Memory Density | 65536bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 8192words |
| Number of Words Code | 8000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 8KX8 |
| Output Characteristics | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.12,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 2.5V |
| Qualification Status | Not Qualified |
| Serial Bus Type | I2C |
| Standby Current-Max | 0.000001A |
| 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 | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 24AA64T-I/MC:
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Frequently Asked Questions
What I2C clock speed does the 24AA64T-I/MC support and how does it affect data throughput?
The 24AA64T-I/MC supports I2C clock frequencies up to 400 kHz in fast mode, enabling sequential byte reads at throughput rates sufficient for loading 64 Kbits of configuration data within milliseconds. This 400 kHz capability is compatible with virtually all modern 3.3 V and 5 V microcontrollers and single-board computers.
How does the 24AA64T-I/MC's endurance compare to standard flash storage for write-intensive logging applications?
With 1,000,000 write/erase cycles endurance, the 24AA64T-I/MC significantly outlasts typical NOR flash cells rated at 100,000 cycles for frequent update scenarios. At 10 writes per hour, this endurance supports over 11 years of continuous operation, making it a reliable choice for industrial data loggers and IoT nodes requiring regular parameter updates.
Which address configuration does the 24AA64T-I/MC use to enable multi-device I2C bus sharing?
The 24AA64T-I/MC uses the I2C control byte pattern 1010DDDR, where the two device address bits (DD) are set via external pins, allowing up to 4 devices to coexist on a single 2-wire I2C bus at addresses 0x50 through 0x53. This flexibility supports multi-EEPROM designs storing separate calibration tables or configuration profiles for different subsystems.
What makes the DFN-8 package of the 24AA64T-I/MC suitable for space-constrained PCB designs?
The DFN-8 (Small Outline No-lead) package used by the 24AA64T-I/MC measures approximately 2 mm x 3 mm with exposed thermal pad, providing roughly 40% smaller footprint than equivalent SOIC-8 packages. This compact outline is ideal for wearables, hearing aids, and miniaturized IoT sensor modules requiring 8-pin EEPROM functionality in minimal board area.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 3+ | $0.6330 | $1.90 |
| 100+ | $0.5800 | $58.00 |
| 1000+ | $0.5400 | $540.00 |
| 5000+ | $0.5000 | $2500.00 |
| 52800+ | $0.4932 | $26039.90 |
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