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Microchip 23A256-I/P - 256Kbit Serial SRAM Memory IC

The 23A256-I/P from Microchip Technology is a high-performance 256Kbit Serial SRAM memory chip designed for embedded systems, industrial control, and data buffering applications. This volatile SRAM IC features a simple SPI interface, making it ideal for microcontroller-based designs requiring fast, temporary data storage.

Key Features & Benefits

  • 256Kbit (32K x 8) Memory Capacity - Ample storage for data buffering and temporary variables
  • SPI Serial Interface - Easy integration with microcontrollers and embedded systems
  • 20MHz Clock Frequency - Fast read/write operations for time-critical applications
  • Low Voltage Operation (1.7V - 1.95V) - Energy-efficient design for battery-powered devices
  • Wide Operating Temperature (-40°C to 85°C) - Reliable performance in harsh industrial environments
  • 8-DIP Through-Hole Package - Convenient for prototyping and legacy system upgrades

Typical Applications

The 23A256-I/P SRAM is perfect for embedded systems requiring fast, volatile memory including data logging, sensor buffering, communication protocol stacks, and real-time control systems. Its SPI interface minimizes pin count while maintaining high-speed data transfer.

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Memory Type Volatile
Memory Format SRAM
Technology SRAM
Memory Size 256Kbit
Memory Organization 32K x 8
Memory Interface SPI
Clock Frequency 20 MHz
Write Cycle Time - Word, Page -
Access Time -
Voltage - Supply 1.7V ~ 1.95V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
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