25LC640A-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The Microchip 25LC640A-I/SN is a 64Kbit (8K x 8) SPI serial EEPROM in SOIC-8 package. It operates from 2.5V to 5.5V supply with up to 10MHz clock speed and offers 1 million write/erase cycles with 200-year data retention. Available worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25LC640A-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3700(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 64Kbit SPI EEPROM with 8K x 8 organization, operating from 2.5V minimum at 5MHz for low-power designs
- High endurance rated at 1,000,000 write/erase cycles with 200-year data retention for reliable non-volatile storage
- Supports up to 10MHz SPI clock frequency in compact SOIC-8 package, ideal for space-constrained applications
Applications
The 25LC640A-I/SN is well-suited for storing configuration data, calibration parameters, and user settings in embedded systems. It is commonly used in consumer electronics, industrial controllers, and communication equipment where non-volatile memory with a simple SPI interface is required. Its low voltage operation makes it an excellent choice for battery-powered IoT devices and portable instruments.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Additional Feature | OPERATES WITH 2.5VMIN @ 5MHZ |
| Clock Frequency-Max (fCLK) | 10MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| 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 | 3-STATE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 5V |
| Qualification Status | Not Qualified |
| Serial Bus Type | SPI |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.005mA |
| 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 | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE/SOFTWARE |
| 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, Taiwan, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum clock frequency supported by the 25LC640A-I/SN?
The 25LC640A-I/SN supports a maximum SPI clock frequency of 10MHz, and it is rated to operate at 5MHz when the supply voltage is as low as 2.5V, making it versatile for a range of system designs.
How many write/erase cycles can the 25LC640A-I/SN endure?
The 25LC640A-I/SN is rated for a minimum of 1,000,000 write/erase cycles, and it provides a data retention time of at least 200 years, ensuring long-term reliable non-volatile storage.
What package does the 25LC640A-I/SN come in and what are its supply voltage requirements?
The 25LC640A-I/SN is housed in an 8-pin SOIC (Small Outline IC) package. It operates from a supply voltage range of 2.5V to 5.5V, making it compatible with both 3.3V and 5V logic systems.
What are common applications for the 25LC640A-I/SN?
Typical applications include storing firmware configuration, calibration data, user preferences, and system parameters in embedded systems such as consumer electronics, industrial automation equipment, and IoT sensor nodes.
Is the 25LC640A-I/SN RoHS compliant?
Yes, the 25LC640A-I/SN is lead-free and RoHS compliant, as indicated by the Pb-free code designation. It meets modern environmental requirements for use in commercial and industrial electronic assemblies.
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Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.8100 | $0.81 |
| 10+ | $0.8090 | $8.09 |
| 100+ | $0.7000 | $70.00 |
| 250+ | $0.3900 | $97.50 |
| 500+ | $0.3850 | $192.50 |
| 1250+ | $0.3700 | $462.50 |
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