25CSM04T-I/MF Microchip Integrated Circuit (Small Outline No-lead) In Stock
Microchip 25CSM04T-I/MF is a 4 Mbit SPI serial EEPROM with 8 MHz clock, 1,000,000 write/erase cycle endurance, and 100-year data retention, housed in a compact 8-pin WSON (6x5 mm) package.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25CSM04T-I/MF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.1900(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
- 4 Mbit (4,194,304-bit) density with SPI interface supporting up to 8 MHz clock for fast serial access
- 1,000,000 write/erase cycle endurance with 100-year minimum data retention for long-term reliability
- Compact 8-pin WSON (6x5 mm) no-lead package enabling high-density PCB assembly
- RoHS-compliant (JESD-609 e3) lead-free construction for environmentally responsible designs
Applications
The 25CSM04T-I/MF is designed for embedded systems that require large-capacity non-volatile storage for firmware images, configuration tables, and calibration data. Its 4 Mbit density and 8 MHz SPI interface make it suitable for industrial controllers, automotive telematics modules, and IoT gateways where fast serial access to stored parameters is critical. The WSON no-lead package supports automated PCB assembly processes in high-volume manufacturing.
Specifications
| Manufacturer Package Code | WSON-8 |
| Factory Lead Time | 17Weeks |
| YTEOL | 19 |
| Clock Frequency-Max (fCLK) | 8MHz |
| Data Retention Time-Min | 100 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Memory Density | 4194304bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 524288words |
| Number of Words Code | 512000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 512KX8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Parallel/Serial | SERIAL |
| Programming Voltage | 5V |
| Serial Bus Type | SPI |
| Standby Current-Max | 0.000002A |
| 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 |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE/SOFTWARE |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the memory capacity and maximum SPI clock speed of the 25CSM04T-I/MF?
The 25CSM04T-I/MF provides 4 Mbit (4,194,304 bits) of EEPROM storage and supports a maximum SPI clock frequency of 8 MHz. This combination allows rapid sequential reads of large data blocks, making it practical for loading firmware parameters or sensor calibration tables during system startup in embedded applications.
How does the write/erase endurance of the 25CSM04T-I/MF compare to typical EEPROM expectations?
The 25CSM04T-I/MF is rated for 1,000,000 write/erase cycles with a minimum data retention of 100 years. This endurance level far exceeds many general-purpose EEPROM devices rated at 100,000 cycles, making the 25CSM04T-I/MF the right choice for applications that update stored data frequently, such as event counters or real-time logging systems.
For which industrial or automotive designs is the 25CSM04T-I/MF EEPROM a reliable data storage choice?
The 25CSM04T-I/MF suits automotive telematics units, industrial motor drives, and factory automation nodes that need 4 Mbit of reliable non-volatile storage. Its -40°C to +85°C operating range (industrial grade) and 8 MHz SPI interface allow it to serve as a configuration or fault-log store in environments with wide temperature swings.
What PCB footprint does the 25CSM04T-I/MF WSON package require and how does it compare to SOIC-8?
The 25CSM04T-I/MF uses an 8-pin WSON package measuring 6 mm x 5 mm with no exposed leads, offering a smaller land area than a standard SOIC-8 package which typically spans 8 mm x 5.3 mm. The leadless construction also improves thermal dissipation and solder joint reliability in reflow assembly processes.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $2.4600 | $246.00 |
| 1000+ | $2.3300 | $2330.00 |
| 2000+ | $2.3100 | $4620.00 |
| 5000+ | $2.1900 | $10950.00 |
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