SPI SERIAL E2PROM
S-25C320A/640A
www.sii-ic.com © SII Semiconductor Corporation, 2009-2015
SPI SERIAL E2PROM
Rev.4.2_02_H
The S-25C320A...
Description
S-25C320A/640A
www.sii-ic.com © SII Semiconductor Corporation, 2009-2015
SPI SERIAL E2PROM
Rev.4.2_02_H
The S-25C320A/640A is a SPI serial E2PROM which operates at high speed, with low current consumption and the wide range operation. The S-25C320A/640A has the capacity of 32 K-bit and 64 K-bit, and the organization is 4096 words × 8-bit, 8192 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:
5.0 MHz (VCC = 2.5 V to 5.5 V) 5.0 ms max.
32 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...
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