Document
S-25C256A
www.sii-ic.com © SII Semiconductor Corporation, 2010-2015
SPI SERIAL E2PROM
Rev.2.2_02_S
The S-25C256A is a SPI serial E2PROM which operates at high speed, with low current consumption and the wide range operation. The S-25C256A has the capacity of 256 K-bit and the organization of 32768 words × 8-bit. Page write and sequential read are available.
Features
• Operating voltage range:
Read 1.6 V to 5.5 V Write 1.7 V to 5.5 V
• Operation frequency: • Write time: • SPI mode (0, 0) and (1, 1) • Page write: • Sequential read • Write protect: Protect area:
10.0 MHz (VCC = 2.5 V to 5.5 V) 5.0 ms max.
64 bytes / page
Software, Hardware 25%, 50%, 100%
• Monitors write to the memory by a status register • Function to prevent malfunction by monitoring clock pulse • Write protect function during the low power supply voltage
• CMOS schmitt input( CS , SCK, SI, WP , HOLD )
• Endurance: • Data retention: • Memory capacity: • Initial delivery.