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參數(shù)資料
| 型號(hào)： | FM25L04 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | DRAM |
| 英文描述： | 4Kb FRAM Serial 3V Memory |
| 中文描述： | 4Kb的鐵電串行3V的記憶 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 187K |
| 代理商： | FM25L04 |
Pre-Production
FM25L04
4Kb FRAM Serial 3V Memory
Features
This is a product in the pre-production phase of development. Device
characterization is complete and Ramtron does not expect to change the
specifications. Ramtron will issue a Product Change Notice
if
any
specification
changes
are made.
Rev. 2.0
May 2005
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000
www.ramtron.com
Page 1 of 12
4K bit Ferroelectric Nonvolatile RAM
Organized as 512 x 8 bits
Unlimited Read/Write Cycles
45 Year Data Retention
NoDelay Writes
Advanced High-Reliability Ferroelectric Process
Very Fast Serial Peripheral Interface - SPI
Up to 14 MHz Frequency
Direct Hardware Replacement for EEPROM
SPI Mode 0 & 3 (CPOL, CPHA=0,0 & 1,1)
Description
The FM25L04 is a 4-kilobit nonvolatile memory
employing an advanced ferroelectric process. A
ferroelectric random access memory or FRAM is
nonvolatile and performs reads and writes like a
RAM. It provides reliable data retention for 45 years
while eliminating the complexities, overhead, and
system level reliability problems caused by
EEPROM and other nonvolatile memories.
Unlike serial EEPROMs, the FM25L04 performs
write operations at bus speed. No write delays are
incurred. The next bus cycle may commence
immediately without the need for data polling. The
next bus cycle may start immediately. In addition, the
product offers virtually unlimited write endurance.
Also,
FRAM
exhibits
consumption than EEPROM.
These capabilities make the FM25L04 ideal for
nonvolatile memory applications requiring frequent
or rapid writes or low power operation. Examples
range from data collection, where the number of
write cycles may be critical, to demanding industrial
controls where the long write time of EEPROM can
cause data loss.
The FM25L04 provides substantial benefits to users
of serial EEPROM as a hardware drop-in
replacement. The FM25L04 uses the high-speed SPI
bus, which enhances the high-speed write capability
of FRAM technology. Device specifications are
guaranteed over an industrial temperature range of
-40°C to +85°C.
Write Protection Scheme
Hardware Protection
Software Protection
Low Power Consumption
Low Voltage Operation 2.7-3.6V
1
μ
A Standby Current
Industry Standard Configuration
Industrial Temperature -40
°
C to +85
°
C
8-pin SOIC
“Green” 8-pin SOIC
Pin Configuration
much
lower
power
Pin Name
/CS
/WP
/HOLD
SCK
SI
SO
VDD
VSS
Function
Chip Select
Write Protect
Hold
Serial Clock
Serial Data Input
Serial Data Output
Supply Voltage
Ground
Ordering Information
FM25L04-S
FM25L04-G
8-pin SOIC
“Green” 8-pin SOIC
CS
SO
WP
VSS
VDD
HOLD
SCK
SI
1
2
3
4
8
7
6
5
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FM25L04-G | 4Kb FRAM Serial 3V Memory |
| FM25L04-S | 4Kb FRAM Serial 3V Memory |
| FM25W256 | 256Kb FRAM Wide Voltage Serial Memory |
| FM25W256-G | 256Kb FRAM Wide Voltage Serial Memory |
| FM25W256-S | 256Kb FRAM Wide Voltage Serial Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FM25L04B | 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:4Kb Serial 3V F-RAM Memory |
| FM25L04B-DG | 功能描述:F-RAM 4Kb Serial SPI 3V FRAM RoHS:否 存儲(chǔ)容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM25L04B-DGTR | 功能描述:F-RAM 4Kb Serial SPI 3V FRAM RoHS:否 存儲(chǔ)容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM25L04B-G | 功能描述:F-RAM 4Kb Serial SPI 3V FRAM RoHS:否 存儲(chǔ)容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM25L04B-GA | 功能描述:F-RAM 4K Serial SPI 3V FRAM RoHS:否 存儲(chǔ)容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
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