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參數(shù)資料
| 型號： | FM24C256-SE |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 256Kb FRAM Serial Memory |
| 中文描述： | 的256Kb FRAM的串行存儲器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 115K |
| 代理商： | FM24C256-SE |
FM24C256
256Kb FRAM Serial Memory
Features
This product conforms specifications per the terms of the Ramtron
standard warranty. Production processing does not necessarily
include testing of all parameters.
Ramtron International Corporation
1850 Ramtron Drive, Colorado Springs, CO 80921
(800) 545-FRAM, (719) 481-7000, Fax (719) 481-7058
www.ramtron.com
Rev 1.3
Feb. 2004
Page 1of 13
256Kbit Ferroelectric Nonvolatile RAM
Organized as 32,768 x 8 bits
High Endurance 10 Billion (10
10
) Read/Writes
10 year Data Retention
NoDelay Writes
Advanced High-Reliability Ferroelectric Process
Fast Two-wire Serial Interface
Up to 1 MHz Maximum Bus Frequency
Supports Legacy Timing for 100 kHz & 400 kHz
Description
The FM24C256 is a 256-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 10 years
while eliminating the complexities, overhead, and
system level reliability problems caused by
EEPROM and other nonvolatile memories.
The FM24C256 performs write operations at bus
speed. No write delays are incurred. The next bus
cycle may commence immediately without the need
for data polling. In addition, the product offers write
endurance
orders
of
magnitude
EEPROM. Also, FRAM exhibits much lower power
during writes than EEPROM since write operations
do not require an internally elevated power supply
voltage for write circuits.
These capabilities make the FM24C256 ideal for
nonvolatile memory applications requiring frequent
or rapid writes. 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
combination of features allows more frequent data
writing with less overhead for the system.
The FM24C256 is available in a 8-pin EIAJ SO
IC
package using an industry standard two-wire
protocol. Specifications are guaranteed over an
industrial temperature range of -40°C to +85°C.
Low Power Operation
5V Operation
200
μ
A Active Current (100 kHz)
100
μ
A Standby Current
Industry Standard Configuration
Industrial Temperature -40
°
C to +85
°
C
8-pin EIAJ SO
IC
higher
than
Pin Configuration
A0
A1
A2
VSS
VDD
WP
SCL
SDA
1
2
3
4
8
7
6
5
Pin Names
A0-A2
SDA
SCL
WP
VSS
VDD
Ordering Information
FM24C256-SE
NOTE: Top side part marking is “FM24C256-S”
whereas “FM24C256-SE” is used only for ordering.
Function
Device Select Address
Serial Data/Address
Serial Clock
Write Protect
Ground
Supply Voltage 5V
8-pin EIAJ SO
IC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FM24C256LZYYX | 256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect |
| FM24C256FLZYYX | 256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect |
| FM24C256 | 256K-Bit 2-Wire Bus Interface Serial EEPROM with Write Protect(帶寫保護(hù)的256K位的兩線控制總線接口串行EEPROM) |
| FM24C256LZEYYX | 256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect |
| FM24C256FLZEYYX | 256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FM24C256-SETR | 功能描述:F-RAM 256K (32Kx8) 5V RoHS:否 存儲容量: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 |
| FM24C256VM8 | 功能描述:電可擦除可編程只讀存儲器 SOIC-8 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| FM24C256VM8X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |
| FM24C256VN | 功能描述:電可擦除可編程只讀存儲器 DIP-8 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| FM24C256YYX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect |
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