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with ECC, 128-Bit Serial Number and Enhanced Write Protection
Overview
- Bus Modes:SPI
- Density:64 Kbit
- Endurance:1,000,000
- Max. Clock Freq.:20 MHz
- Operating Voltage Max (V):5.5
- Operating Voltage Min (V):1.7
- Page Size (Bytes):32
- Write Protect Scheme:Software Configurable
- Write Protected:Yes
- Temperature Range Min °C (degrees Celsius):-40
- Temperature Range Max °C (degrees Celsius):150
- 8192 x 8-bit (64 Kbit)
- Serial Peripheral Interface (SPI) Compatible
- 1.7V to 5.5V operation up to 20 MHz clock frequency
- Build-in Error Correction Code (ECC) Logic
- ECC Status bit via Status Register
- User configurable Undervoltage Lockout (UVLO) Detection
- Security Register
- Pre-programmed 128-bit serial number
- 32-byte user-programmable lockable ID page
- Write Protection Modes:
- Legacy Write Protection Mode: Protect 1/4, 1/2 or Entire Array
- Enhanced Write Protection Mode: User-definable memory partitions and protection behavior
- Reliability
- More than 1 million erase/write cycles
- Data retention > 200 years
- Automotive AECQ-100 Qualified
- Temperature Ranges Available
- Industrial (I): -40°C to 85°C
- Extended (E): -40°C to +125°C
- Extended (H): -40°C to +150°C
- Available in standard packages including 8-lead SOIC, 8-lead MSOP, 8-lead TSSOP and 8-lead 2x3 TDFN
- Factory Programming Available
The 25CS640 is a 64 Kbit (8 Kbytes) Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus.
Microchip's 25CS SPI Serial EEPROM Family offers additional features such as Built-in Error Correction Code (ECC) logic, Undervoltage Lockout (UVLO) detection, 128-bit Serial Number and Enhanced Write Protection to optimized for use in consumer electronics, industrial, medical, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options.
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Tools And Software
Development Environment
Demo & Evaluation Boards
| Tools |
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 The Memory Xplorer evaluation platform makes it easier to choose a device by allowing you to visually evaluate our I2C, SPI and single-wire EEPROM devices, boosting your confidence in the product you selected. Memory Xplorer provides the ability to quickly test device-specific features and evaluate variable functionality like voltage and frequency.
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| Tools |
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| The Serial Memory SPI Evaluation Kit (EV20F92A) is an easy-to-use interactive user tool that demonstrates the best-in-class features, functionality and low-power operation of Microchip SPI Serial EEPROM devices.
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["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files:
