24FC64FT-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
24FC64FT-I/SN is a 64 Kbit (8 KB) I2C serial EEPROM from Microchip Technology in an SOIC-8 package with up to 1 MHz clock and 1 million write/erase cycle endurance. It supports 200-year data retention and 3-bit hardware address selection for multi-device bus sharing. Available from stock worldwide with fast global shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 24FC64FT-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3211(MOQ 100)
- 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 (8 KB) EEPROM capacity with I2C interface up to 1 MHz clock frequency
- 1 million write/erase cycle endurance for high-frequency data logging applications
- 200-year data retention for archival and configuration storage use cases
- 3-bit hardware address lines enabling up to 8 devices on a single I2C bus
- SOIC-8 package with wide 2.5 V to 5.5 V supply range for multi-voltage systems
- Page write buffer of 32 bytes reducing I2C transaction overhead in burst writes
Applications
The 24FC64FT-I/SN is used in embedded systems requiring non-volatile storage for configuration parameters, calibration constants, and event logs in applications such as industrial sensors, smart meters, and medical devices. Its I2C interface allows it to share the bus with MCUs, ADCs, and real-time clocks, keeping GPIO and wiring requirements minimal. The 200-year retention and 1 million cycle endurance make it suitable for systems deployed in the field for decades without memory replacement.
Specifications
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 13 |
| Clock Frequency-Max (fCLK) | 1MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| I2C Control Byte | 1010DDDR |
| JESD-30 Code | R-PDSO-G8 |
| 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 | SOP8,.23 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 5V |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| 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) | 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 |
| 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 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Mainland China, Philippines, Taiwan, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 1 million write cycle endurance of 24FC64FT-I/SN affect the design of a data logger storing readings every minute?
At 1 write cycle per minute, the 24FC64FT-I/SN reaches 1 million write cycles after approximately 1.9 years of continuous logging. To extend EEPROM life, designers implement wear-leveling algorithms that distribute writes across the 8 KB memory space, which increases effective lifetime to over 100 years at that write rate. Alternatively, grouping multiple readings into a 32-byte page write reduces the cycle count per data point, multiplying the practical life by the number of readings per page write.
How many 24FC64FT-I/SN devices can share a single I2C bus and how are they distinguished?
Up to 8 units of 24FC64FT-I/SN can coexist on a single I2C bus by setting the 3-bit hardware address pins (A0, A1, A2) to unique combinations through pull-up or pull-down resistors. This allows a system to aggregate up to 64 KB of EEPROM capacity with 8 devices on just 2 I2C wires plus 3 address configuration pins. The I2C control byte uses the pattern 1010DDDR, where DDD encodes the 3-bit device address, making bus arbitration straightforward.
How fast can 24FC64FT-I/SN transfer data and how does the 32-byte page write feature improve throughput?
The 24FC64FT-I/SN supports I2C clock speeds up to 1 MHz in Fast-mode Plus, enabling sustained data rates of approximately 100 KB/s after accounting for start, address, and ACK overhead. The 32-byte page write buffer allows 32 bytes to be written with a single I2C transaction instead of 32 individual byte writes, reducing bus transaction count and latency by 32x for sequential memory fills. This throughput suits firmware update storage and configuration save routines where large blocks must be written quickly.
For a smart meter design requiring 20-year field deployment, how does 24FC64FT-I/SN's retention specification reduce maintenance risk?
The 24FC64FT-I/SN guarantees 200-year data retention at 25°C, which comfortably covers a 20-year smart meter deployment with a 10x safety margin. Even at elevated temperatures of 85°C — common inside outdoor enclosures in summer — the retention specification typically remains above 50 years for this class of EEPROM. This eliminates the need for periodic calibration data backup routines or battery-backed SRAM, simplifying system firmware and reducing bill-of-materials cost.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.3700 | $37.00 |
| 1000+ | $0.3500 | $350.00 |
| 5000+ | $0.3300 | $1650.00 |
| 26400+ | $0.3267 | $8625.41 |
| 52800+ | $0.3211 | $16956.19 |
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