Memory Card 6ES7954-8LE03-0AA0 SIMATIC S7 memory card for S7‑1X00 CPU/SINAMICS. 3.3 V Flash‑EPROM, 12 MByte capacity. Supports at least 500 000 write/erase cycles; data retention ≥ 10 years, reduced to 1 year if cycles exceed 450 000. Designed for industrial automation to store program data reliably.
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