20mhz no delay writes f ram

{"cid":"91149516","title":"FM25CL64B-GTR 64Kb Serial F-RAM with 20MHz SPI No-Delay Writes 10^14 Endurance 151-Year Data Retention 2.0-3.6V Operation -40\u00b0C to +85\u00b0C and Small SOIC Package","imgUrl":"https:\/\/img.chinax.com\/nimg\/9d\/44\/88c324bbb4c4968069a0da7170ff-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Infineon","Model Number":"FM25CL64B-GTR","Minimum Order Quantity":"1","Delivery Time":"3-5 working days after received the payment","Certification":"CE, GCF, ROHS","Place of Origin":"China","Payment Terms":"T\/T, Western Union,","Supply Ability":"1000pcs per month","Packaging Details":"Packed in original tray firstly ,then carton, at last Bubble bag for outer packing","Function":"Step-Up, Step-Down","Output Configuration":"Positive or Negative","Topology":"Buck, Boost","Output Type":"Adjustable","Number of Outputs":"1"}}