The Siemens 6ES7954-8LC01-0AA0 is a spare-part Flash-EPROM memory card for SIMATIC S7-1x00 CPUs and SINAMICS drives. It provides 4 Mbyte of program and data storage, with a minimum of 500,000 write/delete cycles and a data retention of at least 10 years after the final programming action.
Siemens 6ES7954-8LC01-0AA0 SIMATIC S7 Memory Card, 4 Mbyte F
MPN6ES7954-8LC01-0AA0
Siemens SIMATIC S7 spare part memory card, Flash-EPROM, 4 Mbyte, 24 x 32 x 2.1 mm, 3 g.
$43.48Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Depth | 2.1 mm |
| Flash | Yes |
| Width | 24 mm |
| Height | 32 mm |
| Memory size | 4 Mbyte |
| Type of memory | Flash-EPROM |
| Weight, approx. | 3 g |
| Number of write (delete operations, min.) | 500 000 |
| Data retention (after final programming action), min. | 10 y |
Product details
Frequently asked questions
What are the key endurance and retention specs?
Minimum 500,000 write/delete cycles and a data retention of at least 10 years after the final programming action.
What is the physical size of this memory card?
24 mm wide, 32 mm high, and 2.1 mm deep. Weight is approximately 3 g.
MPN
6ES7954-8LC01-0AA0