24LC128-I/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip 24LC128-I/ST is a 128K-bit (16K x 8) I2C serial EEPROM operating at 2.5V to 5.5V. Features 400kHz clock frequency, 64-byte page write buffer, and 1 million erase/write cycles. Available in compact TSSOP-8 package for industrial temperature range applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 24LC128-I/ST 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
- 128K-bit (16K x 8) I2C EEPROM with 400kHz fast-mode clock support for high-speed serial communication
- Wide voltage range of 2.5V to 5.5V with low standby current for power-sensitive designs
- 1,000,000 erase/write cycle endurance with 200-year data retention in TSSOP-8 industrial package
Applications
The 24LC128-I/ST is widely used in embedded systems requiring non-volatile data storage, such as storing configuration settings, calibration data, and firmware parameters in industrial controllers and consumer electronics. Its I2C interface allows easy integration with microcontrollers in applications like smart meters, medical devices, and automotive control units. The compact TSSOP-8 package and industrial temperature rating make it ideal for space-constrained designs operating in harsh environments.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-8 |
| Factory Lead Time | 17Weeks |
| 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-G8 |
| JESD-609 Code | e3 |
| Memory Density | 131072bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 16384words |
| Number of Words Code | 16000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 16KX8 |
| Output Characteristics | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 4.5V |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Serial Bus Type | I2C |
| Standby Current-Max | 0.000005A |
| Supply Current-Max | 0.003mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Malaysia, Philippines, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the storage capacity and organization of the 24LC128-I/ST?
The 24LC128-I/ST provides 128K bits of serial EEPROM storage organized as 16,384 bytes (16K x 8). It supports a 64-byte page write buffer and operates with I2C control byte 1010DDDR for address selection.
What voltage and temperature ranges does the 24LC128-I/ST support?
The 24LC128-I/ST operates from 2.5V to 5.5V supply voltage and covers the industrial temperature range. It supports I2C clock frequencies up to 400kHz for fast-mode communication with host microcontrollers.
How long can the 24LC128-I/ST retain data and what is its write endurance?
The 24LC128-I/ST offers a minimum data retention time of 200 years and supports up to 1,000,000 write/erase cycles per byte, making it suitable for frequent-update applications such as data logging and parameter storage.
What package does the 24LC128-I/ST come in and is it RoHS compliant?
The 24LC128-I/ST is housed in a TSSOP-8 small outline package (JESD-30 code R-PDSO-G8). It is RoHS compliant with Pb-free code 'Yes' and JESD-609 code e3, meeting modern environmental standards.
What are typical applications for the 24LC128-I/ST EEPROM?
Typical applications include storing calibration data, configuration parameters, and user preferences in industrial controllers, medical instruments, automotive ECUs, smart meters, and consumer electronics requiring reliable non-volatile memory with I2C interface.
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