The 23K256 is a 32K x 8 (256 Kbit) Serial SRAM (Static Random-Access Memory) chip manufactured by Microchip Technology. It is available in an SMD SOP-8 package. Below are the key specifications for the 23K256:

General Specifications

• Memory Size: 256 Kbit (32 Kbytes)
• Organization: 32K x 8
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C (industrial grade)
• Package: SOP-8 (Small Outline Package, 8 pins)
• Data Retention: > 200 years (typical)
• Write Endurance: Unlimited (SRAM technology)