FM25L256 Extended Temp.
8-pin TDFN (4.0mm x 4.5mm body, 0.95mm pitch)
Exposed metal pad.
Do not connect to
anything except Vss.
4.50 ±0.1
3.60 ±0.10
Pin 1 ID
Pin 1
D
2.85 REF
0.30 ±0.1
E
0.0 - 0.05
0.75 ±0.05
D
Recommended PCB Footprint
0.20 REF.
S
N
0.95
N
0.40 ±0.05
3.70
G
4.30
ME
I
2.70
B
S
6
M
0.50
5
E
0.50
2
O
E
0.95
L
D
5
C
Note: All dimensions in millimeters.
2
E
M
W
F
R
:
TDFN Package Marking Scheme for Body Size 4.0mm x 4.5mm
e
v
i
T
N
t
Legend:
R=Ramtron, G=”green” TDaFN package, XXXX=base part number
RGXXXX
O
LLLL= lot code, T= temnperature (C=commercial, blank=extended)
r
LLLL_T
R
YY=year, WW=work week
e
YYWW
N
t
l
O
Example: “Green” TDFN package, FM25L256, Extended temperature, Lot 0003, Year
A
2005, Work Week 39
RG5L25
F
0003
0539
Rev. 2.3
March 2007
Page 13 of 14
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
