24LC04B-I/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip 24LC04B-I/MS is a 4Kbit I2C serial EEPROM with 512 x 8-bit organization operating at 2.5V to 5.5V. It features 400 kHz clock frequency, 1 million write/erase cycle endurance, and 200-year data retention. Available in MSOP-8 package with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 24LC04B-I/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3086(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 24LC04B-I/MS?
- 4Kbit I2C Serial EEPROM with 512 x 8 organization, supporting 400 kHz fast-mode I2C interface for efficient data transfers
- Ultra-low power operation from 2.5V to 5.5V with standby current as low as 1 µA, ideal for battery-powered applications
- 1 million write/erase cycle endurance with 200-year data retention, ensuring long-term data integrity in industrial applications
- Compact MSOP-8 package enabling space-saving PCB designs in portable and embedded systems
What is 24LC04B-I/MS used for?
The 24LC04B-I/MS is widely used for storing configuration data, calibration parameters, and user settings in industrial and consumer electronics. Its I2C interface makes it ideal for microcontroller-based systems requiring non-volatile memory in smart meters, IoT devices, and sensor nodes. The device is also suitable for storing serial numbers, board revision data, and boot code in medical equipment and automotive accessories.
What are the specifications of 24LC04B-I/MS?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 11Weeks |
| Date Of Intro | 1991-01-01 |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 0.4MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| I2C Control Byte | 1010XXMR |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 4096bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 512words |
| Number of Words Code | 512 |
| Operating Mode | SYNCHRONOUS |
| Organization | 512X8 |
| Output Characteristics | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 5V |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Serial Bus Type | I2C |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.003mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| 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 | Thailand |
Where can I find the 24LC04B-I/MS datasheet?
24LC04B-I/MS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 24LC04B-I/MS?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the memory capacity and organization of the 24LC04B-I/MS?
The 24LC04B-I/MS is a 4Kbit EEPROM organized as 512 words of 8 bits each. It uses the standard I2C protocol with a 7-bit device address and supports up to 400 kHz clock frequency for fast data transfers.
What voltage range does the 24LC04B-I/MS support and what is its typical current consumption?
The 24LC04B-I/MS operates across a wide voltage range of 2.5V to 5.5V, making it compatible with both 3.3V and 5V systems. Standby current is typically as low as 1 µA, making it highly suitable for battery-powered and low-power IoT applications.
What is the endurance and data retention rating of the 24LC04B-I/MS?
The device is rated for a minimum of 1 million write/erase cycles and guarantees data retention for a minimum of 200 years under normal operating conditions, ensuring reliable long-term storage in industrial and embedded applications.
What package is the 24LC04B-I/MS available in and is it RoHS compliant?
The 24LC04B-I/MS comes in an MSOP-8 (Micro Small Outline Package with 8 pins) package. It is lead-free and RoHS compliant, as indicated by the Pbfree Code 'Yes', making it suitable for modern eco-friendly product designs.
What are common applications and compatible replacements for the 24LC04B-I/MS?
Common applications include storing configuration settings, calibration data, and user preferences in embedded systems, IoT sensors, and industrial controllers. Compatible alternatives include the Microchip 24LC04B-E/MS (extended temperature) and other I2C EEPROMs such as AT24C04C from Microchip with similar 4Kbit capacity and I2C interface.
Related Guides
ICL7660ACPAZ Negative Voltage Charge Pump Design Guide
Design a reliable ICL7660ACPAZ negative rail with capacitor equations, layout rules, startup checks, and practical troubleshooting.
Aug 2, 2026
C0402C103K3RACTU 10 nF MLCC Design Guide
Practical guidance for applying the C0402C103K3RACTU 10 nF, 25 V X7R MLCC in decoupling, filtering, timing, and EMI-control networks.
Aug 2, 2026
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3700 | $0.37 |
| 14+ | $0.3654 | $5.12 |
| 25+ | $0.3629 | $9.07 |
| 100+ | $0.3500 | $35.00 |
| 1000+ | $0.3400 | $340.00 |
| 4000+ | $0.3086 | $1234.44 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit