25LC080/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip 25LC080/P is an 8 Kbit SPI serial EEPROM with 2.5 V to 5.5 V supply range, up to 2 MHz clock, and 1,000,000 write/erase endurance cycles. Ideal for non-volatile data storage in microcontroller-based systems, available in a convenient through-hole 8-pin PDIP package.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25LC080/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6250(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8 Kbit (1 KB) SPI serial EEPROM with up to 2 MHz clock for fast data access
- Wide supply voltage range from 2.5 V to 5.5 V for compatibility with 3.3 V and 5 V systems
- 1,000,000 write/erase cycle endurance with 200-year minimum data retention at 25°C
- 16-byte page write buffer reduces write overhead in firmware update and logging applications
- 8-pin PDIP package enables easy breadboard prototyping and through-hole PCB assembly
Applications
The 25LC080/P is used in microcontroller-based systems for storing calibration data, configuration settings, and system parameters that must survive power cycles in consumer electronics, industrial sensors, and automotive accessories. Its SPI interface with a 2 MHz maximum clock makes it straightforward to interface to virtually any MCU or MPU with an SPI peripheral, and the 2.5 V to 5.5 V supply range covers both 3.3 V and 5 V logic systems. The 8-pin PDIP package is especially practical for hobbyist projects, prototyping environments, and educational designs requiring non-volatile memory without surface-mount soldering.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| Date Of Intro | 1996-05-10 |
| YTEOL | 3 |
| Clock Frequency-Max (fCLK) | 2MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Memory Density | 8192bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 1024words |
| Number of Words Code | 1000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 1KX8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Parallel/Serial | SERIAL |
| Programming Voltage | 5V |
| Qualification Status | Not Qualified |
| Serial Bus Type | SPI |
| Standby Current-Max | 0.000005A |
| Supply Current-Max | 0.005mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE |
| Package | Dual-In-Line Packages |
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
Compatible alternatives and drop-in replacements for 25LC080/P:
Frequently Asked Questions
How much data can 25LC080/P store, and what is its endurance for write operations?
The 25LC080/P provides 8 Kbit (1,024 bytes) of non-volatile EEPROM storage. It supports up to 1,000,000 write/erase cycles per memory location, with a minimum data retention period of 200 years at 25°C once written. This combination of high endurance and long retention makes it suitable for frequently updated configuration registers and data logging in embedded systems.
Which microcontroller-based designs benefit most from adding 25LC080/P as external non-volatile storage?
Microcontrollers with limited internal EEPROM — such as ATmega or PIC devices with 512 bytes or less of built-in EEPROM — benefit greatly from 25LC080/P, which adds 1 KB via a 3-wire SPI interface using only 4 MCU pins. Industrial sensors, wearables, and automotive accessories that log readings or store user settings across power cycles use this chip due to its 2.5 V to 5.5 V compatibility and compact 8-pin PDIP footprint.
How does the SPI interface speed of 25LC080/P compare to I2C EEPROM alternatives at the same density?
At up to 2 MHz clock, the 25LC080/P is 5 times faster than a standard 400 kHz I2C EEPROM of equivalent 8 Kbit density. This higher throughput reduces write latency for page writes and allows burst reads at 230 ns access time, which benefits applications performing frequent parameter reads during real-time control loops at 3.3 V or 5 V supply voltages.
What supply voltage constraints does a designer need to consider when connecting 25LC080/P to a 3.3 V MCU system?
The 25LC080/P operates from 2.5 V to 5.5 V, making direct 3.3 V connection straightforward without any level shifting for supply lines. SPI logic thresholds scale with VCC, so at 3.3 V supply, input high threshold is approximately 0.7 x VCC (2.31 V), which is directly compatible with 3.3 V MCU GPIO outputs. No pull-up resistors are needed on the SPI bus for the 8-pin PDIP device in typical single-device configurations.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5000 | $1.50 |
| 57+ | $0.7000 | $39.90 |
| 287+ | $0.6250 | $179.38 |
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