FM25L256-S RAMTRON [Ramtron International Corporation], FM25L256-S Datasheet - Page 13

• Manufacturer Part Number: FM25L256-S
• Description: 256Kb FRAM Serial 3V Memory - Extended Temp
• Manufacturer: RAMTRON [Ramtron International Corporation]

8-pin TDFN (4.0mm x 4.5mm body, 0.95mm pitch)
Rev. 2.3
March 2007
TDFN Package Marking Scheme for Body Size 4.0mm x 4.5mm
0.75 ±0.05
Pin 1
RGXXXX
LLLL_T
YYWW
0.95
Note: All dimensions in millimeters.
4.50 ±0.1
Legend:
Example: “Green” TDFN package, FM25L256, Extended temperature, Lot 0003, Year
2005, Work Week 39
R=Ramtron, G=”green” TDFN package, XXXX=base part number
LLLL= lot code, T= temperature (C=commercial, blank=extended)
YY=year, WW=work week
RG5L25
0003
0539
0.40 ±0.05
0.20 REF.
0.0 - 0.05
0.50
anything except Vss.
Recommended PCB Footprint
Exposed metal pad.
0.95
Do not connect to
3.60 ±0.10
2.85 REF
2.70
3.70
FM25L256 Extended Temp.
4.30
0.50
0.30 ±0.1
Pin 1 ID
Page 13 of 14