
Seiko Instruments Inc
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