{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7954-8LE01-0AA0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7954-8LE01-0AA0","canonicalUrl":"https://aoctrl.com/siemens/6ES7954-8LE01-0AA0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7954-8LE01-0AA0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7, spare-part memory card for S7-1x00 CPU/SINAMICS, 3V Flash, 12 Mbyte, 500 000 write/delete cycles, 10-year data retention.","salesMarkdown":"This is the 6ES7954-8LE01-0AA0, a spare-part Flash-EPROM memory card for SIMATIC S7-1x00 CPUs and SINAMICS drives. It holds 12 Mbyte of program and data memory on a 3V Flash chip, rated for 500 000 write/delete cycles minimum and 10-year data retention after final programming. The card is physically compact — 24 mm wide, 32 mm tall, and only 2.1 mm deep — so it slides into the CPU slot without adding bulk to the panel layout. At 3 g it's negligible for shipping or handling. Because it's a mature spare, don't expect it on a shelf. If you're filling a BOM line for a line-down repair or a scheduled PM, send the RFQ — we'll confirm availability and lead time before you commit. The 12 Mbyte capacity is the key fit parameter — it determines how much program code and data the CPU can load from the card. The 500 000 write/delete cycle endurance matters if you're doing frequent firmware updates or recipe swaps; for a typical machine that gets updated once a year, that's a 500-year service life from the flash alone. The 10-year data retention means once programmed, the card holds its contents through a decade of powered-off storage.","metaTitle":"Siemens 6ES7954-8LE01-0AA0 SIMATIC S7 Memory Card, 12 Mbyte","metaDescription":"Siemens 6ES7954-8LE01-0AA0 spare-part memory card for S7-1x00 CPU/SINAMICS. 12 Mbyte Flash-EPROM, 500k write cycles, 10-year data retention. Mature lifecycle; sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC Accessories"],"specifications":{"Depth":"2.1 mm","Flash":"Yes","Width":"24 mm","Height":"32 mm","Memory size":"12 Mbyte","Type of memory":"Flash-EPROM","Weight, approx.":"3 g","lifecycle_stage":"mature","Number of write/delete operations, min.":"500 000","Data retention (after final programming action), min.":"10 y"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=242387&mlfb=6ES7954-8LE01-0AA0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7954-8LE01-0AA0/alternatives.json"},"ai":{"faq":[{"question":"What replaces the 6ES7954-8LE01-0AA0?","answer":"Siemens does not list a direct official successor for this order code. For new S7-1500 designs, the current-generation memory cards (e.g., 6ES7954-8LCxx-0AA0 series) are the functional replacement, but verify compatibility with your specific CPU. For existing S7-1x00 installations, this spare part remains the correct replacement."},{"question":"How do I source this part?","answer":"This is a mature spare part sourced to order. Submit an RFQ with your quantity and delivery window — we'll confirm lead time and pricing before you commit. It's not a stocked shelf item, so don't expect same-day ship."},{"question":"What are the key specifications?","answer":"12 Mbyte Flash-EPROM memory, 3V operation, 500 000 write/delete cycles minimum, 10-year data retention. Physical size: 24 mm wide x 32 mm tall x 2.1 mm deep, weight 3 g. Designed for SIMATIC S7-1x00 CPUs and SINAMICS drives."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7954-8LE01-0AA0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6ES7954-8LE01-0AA0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}