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FM21L16 Folha de dados(PDF) 1 Page - Ramtron International Corporation

Nome de Peças FM21L16
Descrição Electrónicos  2Mbit F-RAM Memory
Download  15 Pages
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Fabricante Electrônico  RAMTRON [Ramtron International Corporation]
Página de início  http://www.ramtron.com
Logo RAMTRON - Ramtron International Corporation

FM21L16 Folha de dados(HTML) 1 Page - Ramtron International Corporation

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Pre-Production
This is a product in the pre-production phase of development. Device
Ramtron International Corporation
characterization is complete and Ramtron does not expect to change the
1850 Ramtron Drive, Colorado Springs, CO 80921
specifications. Ramtron will issue a Product Change Notice if any
(800) 545-FRAM, (719) 481-7000
specification changes are made.
http://www.ramtron.com
Rev. 2.0
Apr. 2011
Page 1 of 15
FM21L16
2Mbit F-RAM Memory
Features
2Mbit Ferroelectric Nonvolatile RAM
Organized as 128Kx16
Configurable as 256Kx8 Using /UB, /LB
1014 Read/Write Cycles
NoDelay™ Writes
Page Mode Operation to 33MHz
Advanced High-Reliability Ferroelectric Process
SRAM Compatible
Industry Std. 128Kx16 SRAM Pinout
60 ns Access Time, 110 ns Cycle Time
Advanced Features
Software Programmable Block Write Protect
Superior to Battery-backed SRAM Modules
No Battery Concerns
Monolithic Reliability
True Surface Mount Solution, No Rework Steps
Superior for Moisture, Shock, and Vibration
Low Power Operation
2.7V – 3.6V Power Supply
Low Current Mode (5µA) using ZZ pin
Low Active Current (8 mA typ.)
Industry Standard Configuration
Industrial Temperature -40
° C to +85° C
44-pin “Green”/RoHS TSOP-II package
Description
The FM21L16 is a 128Kx16 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 high write endurance make the
F-RAM superior to other types of memory.
In-system operation of the FM21L16 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 /CE or simply by
changing the address. The F-RAM memory is
nonvolatile due to its unique ferroelectric memory
process. These features make the FM21L16 ideal for
nonvolatile memory applications requiring frequent
or rapid writes in the form of an SRAM.
The FM21L16 includes a low voltage monitor that
blocks access to the memory array when VDD drops
below VDD min. The memory is protected against an
inadvertent access and data corruption under this
condition. The device also features software-
controlled write protection. The memory array is
divided into 8 uniform blocks, each of which can be
individually write protected.
The device is available in a 400 mil 44-pin TSOP-II
surface mount package. Device specifications are
guaranteed over industrial temperature range –40°C
to +85°C.
Pin Configuration
Ordering Information
FM21L16-60-TG
60 ns access, 44-pin
“Green”/RoHS TSOP-II
FM21L16-60-TGTR
60 ns access, 44-pin
“Green”/RoHS TSOP-II,
Tape & Reel


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