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Microchip 256 kB Serial EEPROM 50 ns 8-Pin SOIC Serial-SPI 25LC256-I/SN
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Standby Current | 1 μA (typical) |
| Length | 4.9mm |
| Model | 25LC256-I/SN |
| Width | 6mm |
| Mount Type | Surface |
| Maximum Operating Temperature | 85°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Memory size | 256kB |
| Interface Type | Serial-SPI |
| Pin Count | 8 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 2.5V |
| Supply Current | 6mA |
| Maximum Clock Frequency | 10MHz |
| Organisation | 32K x 8 Bit |
| Number of Bits per Word | 8 |
| Maximum Random Access Time | 50ns |
| Number of Words | 32k |
| Read Current | 6 mA (typical) |
| Built-In Write Protection | Power-on/off data protection circuitry, Write enable latch, Write-protect pin |
| Block Write Protection | Protect none, 1/4, 1/2 or all of array |
| Microchip 25AA256-I/SN, 256 kB Serial EEPROM, 50 ns 8-Pin SOIC Serial-SPIBrand | Microchip |
Key Features
- Supports Serial-SPI interface for efficient communication.
- 512 kilobit memory organized as 32K x 8 bits.
- Operates at supply voltage range from 2.5 V to 5.5 V.
- Low power consumption with typical read current of 6 mA and standby current of 1 μA.
- Data retention of over 200 years and endurance exceeding 1 million erase/write cycles.
- Equipped with block write protection and built-in power-on/off data protection circuit.
- Compliance with automotive standard AEC-Q100 ensures reliability in automotive applications.
- Operating temperature range from -40°C to 85°C for industrial environments.
Product Description
Microchip's 25LC256-I/SN is a high-performance 256 kB Serial EEPROM designed for reliable data storage with a fast 50 ns maximum random access time and a maximum clock frequency of 10 MHz. Packaged in an 8-Pin SOIC surface mount, this Serial SPI EEPROM supports industrial-grade temperature ranges from -40°C to 85°C, making it ideal for automotive, industrial, and consumer electronic applications.
The device features a 32K x 8-bit memory organization and operates with a supply voltage between 2.5 V and 5.5 V. It offers low power consumption with typical active read current of 6 mA and standby current as low as 1 μA, making it suitable for battery-powered and low-power systems.
Designed with advanced data protection, the 25LC256-I/SN includes block write protection options to safeguard sections or the entirety of the memory array, as well as built-in power-on/off data protection circuitry, a write enable latch, and a write-protect pin to prevent unintentional writes.
With data retention exceeding 200 years and endurance of more than 1 million erase/write cycles, this EEPROM is tailored for long-term reliable storage in applications such as embedded systems, automotive electronics, industrial controls, and communication devices.
The compact form factor dimensions of 4.9 mm length and 6 mm width support dense PCB layouts. Compliance with the automotive standard AEC-Q100 further assures robust performance under harsh environmental conditions.
Supports Serial Peripheral Interface (SPI) with Clock (SCK), Data In (SI), Data Out (SO), and Chip Select (CS) pins. Self-timed erase and write cycles of maximum 5 ms. Sequential read capability for efficient data access.
ESD protection rating exceeding 4000V for enhanced device reliability. Ideal for a wide range of industrial, automotive, and commercial electronic applications. This product complements the Microchip EEPROM family and is available in surface mount SOIC packaging to facilitate automated assembly and manufacturing efficiency.
Explore EnvMart categories to find more semiconductor memory chips and specialized EEPROM components that fit your design requirements.
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Frequently Asked Questions
The 25LC256-I/SN has a memory size of 256 kB, organized as 32K x 8 bits.
This model supports a maximum clock frequency of 10 MHz.
It operates within a temperature range of -40°C to 85°C, suitable for industrial applications.
The typical read current for the 25LC256-I/SN is 6 mA.
This EEPROM uses a Serial-SPI interface for communication.
The dimensions of this model are 4.9 mm in length and 6 mm in width.
It includes power-on/off data protection circuitry, a write enable latch, and a write-protect pin for data integrity.
The data retention for the 25LC256-I/SN exceeds 200 years.
The endurance rating exceeds 1 million erase/write cycles.
It complies with the automotive standard AEC-Q100, ensuring reliability in automotive applications.
The supply voltage range for this EEPROM is from 2.5 V to 5.5 V.
This model is designed for surface mounting in an 8-Pin SOIC package.
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