Preliminary
FM28V100
1Mbit Bytewide F-RAM Memory
Features
1Mbit Ferroelectric Nonvolatile RAM
•
Organized as 128Kx8
•
High Endurance 100 Trillion (10
14
) Read/Writes
•
NoDelay™ Writes
•
Page Mode Operation to 33MHz
•
Advanced High-Reliability Ferroelectric Process
Superior to Battery-backed SRAM Modules
•
No battery concerns
•
Monolithic reliability
•
True surface mount solution, no rework steps
•
Superior for moisture, shock, and vibration
SRAM Replacement
•
JEDEC 128Kx8 SRAM pinout
•
60 ns Access Time, 90 ns Cycle Time
Low Power Operation
•
2.0V – 3.6V Power Supply
•
Standby Current 90
µA
(typ)
•
Active Current 7 mA (typ)
Industry Standard Configurations
•
Industrial Temperature -40° C to +85° C
•
32-pin “Green”/RoHS Package
General Description
The FM28V100 is a 128K x 8 nonvolatile memory
that reads and writes like a standard SRAM. A
ferroelectric random access memory or F-RAM is
nonvolatile, which means that data is retained after
power is removed. It provides data retention for over
10 years while eliminating the reliability concerns,
functional disadvantages, and system design
complexities of battery-backed SRAM (BBSRAM).
Fast write timing and very high write endurance make
F-RAM superior to other types of memory.
In-system operation of the FM28V100 is very similar
to other RAM devices and can be used as a drop-in
replacement for standard SRAM. Read and write
cycles may be triggered by toggling a chip enable pin
or simply by changing the address. The F-RAM
memory is nonvolatile due to its unique ferroelectric
memory process. These features make the FM28V100
ideal for nonvolatile memory applications requiring
frequent or rapid writes in the form of an SRAM.
Device specifications are guaranteed over the
industrial temperature range -40°C to +85°C.
Pin Configuration
A11
A9
A8
A13
WE
CE2
A15
VDD
NC*
A16
A14
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
A10
CE1
DQ7
DQ6
DQ5
DQ4
DQ3
VSS
DQ2
DQ1
DQ0
A0
A1
A2
A3
TSOP-I
* Reserved for A17 on 2Mb
Ordering Information
FM28V100-TG
32-pin “Green”/RoHS TSOP
FM28V100-TGTR 32-pin “Green”/RoHS TSOP,
Tape & Reel
This is a product that has fixed target specifications but are subject
to change pending characterization results.
Rev. 1.2
May 2010
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000
http://www.ramtron.com
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RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
