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CMOS SPI SERIAL E2PROM The S-25C010A/020A/040A is SPI serial E2PROM which operate at high speed, with low current consumption and the wide range operation. The S-25C010A/020A/040A respectively has the capacity of 1K-bit, 2K-bit, 4K-bit and the organization of 128 words × 8-bit, 256 words × 8-bit, 512 words × 8-bit. These ICs are able to Page Write and sequential read. Features • Wide range operation Read : 1.6 to 5.5 V (at −40 to +85°C) Write : 1.7 to 5.5 V (at −40 to +85°C) • Operation frequency 5.0 MHz (2.5 to 5.5 V), 2.0 MHz (1.6 to 5.5 V) • SPI mode (0, 0) and (1, 1) • Page Write: 16 bytes / page • Sequential read • Write protect: Software, Hardware Protect area: 25%, 50%, 100% • Monitors Write to the memory by a status register • Write protect function during the low power supply • CMOS schmitt input( CS , SCK, SI, WP , HOLD ) • Endurance: 106cycles/word*1 (at +25°C), *1. For each address (Word: 8-bit) • Data retention: 100 years (at +25°C) • Memory capacitance: S-25C010A 1K-bit S-25C020A 2K-bit S-25C040A 4K-bit • Data before shipment: Memory array FFh, BP1 = 0, BP0 = 0 • Lead-free product
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