FM20L08_07 RAMTRON [Ramtron International Corporation], FM20L08_07 Datasheet - Page 14

• Manufacturer Part Number: FM20L08_07
• Description: 1Mbit Bytewide FRAM Memory - Industrial Temp.
• Manufacturer: RAMTRON [Ramtron International Corporation]

Revision History
Rev. 1.72
May 2007
Revision
0.61
1.71
1.72
0.6
0.7
0.8
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
12/20/04
10/18/05
1/30/04
5/20/04
3/25/05
5/23/05
8/15/05
6/12/06
8/21/06
5/10/07
9/3/04
6/6/05
2/9/06
4/9/07
Date
Summary
Added Vdd fall time spec. Changed Power Cycle Timing diagram. Added t
Write Timing spec. Added typ value to V
software write-protect scheme. Changed /LVL to Output-only pin. Modified
Block Diagram, Pin Description and DC Operating tables. Modified package
drawing title.
Changed t
Changed input rise/fall time AC test condition. Changed t
“green” package.
Reduced to one speed grade and changed to -60 speed grade. Supply voltage
3.3V +10%, -5%. Temp range 0 to +85C.
Temp range -40 to +85C. Changed AC timing parameters. Changed part
number/ordering information.
Changed to Preliminary status.
Added “green” packaging option. Added marking scheme.
Removed –T packaging option.
Changed address setup and I
/CE high during power cycles. Modified Power Cycle timing diagram and
added timing parameters. Removed references to the use of /LVL as a system
reset signal. Changed temperature limits.
Changed I
Rewrote text describing use of pullup resistor.
Order device with or without software WP. Changed t
and MSL ratings.
Changed specs to industrial temperature. Devices with date codes 0605 through
0620 comply with this datasheet revision.
Changed I
Timing table. Devices with date codes 0624 and beyond comply with this
datasheet revision.
Changed Package Marking Scheme. Updated ESD machine model and MSL
ratings.
Added pcb footprint to package drawing.
WX
SB
SB
. Changed V
, t
spec. Updated ESD ratings. Removed Note 2 from Power Cycle
AAP
, and t
AWH
TP
limits. Added note to Power Cycle Timing table.
specs. Added t
DD
specs. Added t
TP
AH
in DC Operating table. Changed
VR
to Write Cycle parameters table.
parameter. Added note about
FM20L08 - Industrial Temp.
PULV
VF
to 5ms. Added ESD
units. Added
Page 14 of 14
AWH