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AT
Designator
XXXX
Product Family
25DF = SPI serial flash memory25DQ = SPI Serial Flash Memory with Dual-I/O and Quad-I/O Support25DF, 25DL, 26DF = SPI serial flash memory25SF = SPI Serial Flash Memory with Dual-I/O and Quad-I/O Support, 2.5V Minimum25DN = SPI Serial Flash Memory with Dual-Read Support, 2.3V Minimum
H = NiPdAu lead finish, industrial temp. range (-40°C to 85°C)U = Green, Matte Sn or Sn alloy, Industrial temperature range (–40°C to +85°C)
XX
Operating Voltage
Blank = 2.7V to 3.6VF = 2.3V to 3.6VN = 1.65V minimum (1.65V to 1.95V or 1.65V to 3.6V)D = 2.5V to 3.6V
XX
Shipping Carrier Option
B = Bulk (tubes)Y = TraysT = Tape and reel
Note: Part number description table describes usual part-numbering system for more chips, therefore this table can contain information, that might not be valid for the actually selected chip. The information here are provided on the best-effort basis and might be either inaccurate or incoplete. Therefore always check the latest datasheet of the chip for part number description detail. If you find some inaccuracy, let us please know.