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參數資料
| 型號： | FM24C32U |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 32K-Bit Standard 2-Wire Bus Interface Serial EEPROM |
| 中文描述： | 32K的位標準2線總線接口的串行EEPROM |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 85K |
| 代理商： | FM24C32U |
1
www.fairchildsemi.com
FM24C32U Rev. A.1
F
September 2002
2001 Fairchild Semiconductor Corporation
FM24C32U – 32K-Bit Standard 2-Wire Bus
Interface Serial EEPROM
General Description
FM24C32U is a 32Kbit CMOS non-volatile serial EEPROM orga-
nized as 4K x 8 bit memory. This device confirms to Extended IIC
2-wire protocol that allows accessing of memory in excess of
16Kbit on an IIC bus. This serial communication protocol uses a
Clock signal (SCL) and a Data signal (SDA) to synchronously
clock data between a master (e.g. a microcontroller) and a slave
(EEPROM). FM24C32U is designed to minimize pin count and
simplify PC board layout requirements.
FM24C32U offers hardware write protection where by the upper
half (upper 16Kbit) of the memory array can be write protected by
connecting WP pin to V
. This section of memory then becomes
unalterable until the WP pin is switched to V
SS
.
“LZ” and “L” versions of FM24C32U offer very low standby current
making them suitable for low power applications. This device is
offered in both SO and DIP packages.
Fairchild EEPROMs are designed and tested for applications
requiring high endurance, high reliability and low power consump-
tion.
Block Diagram
Features
I
Extended operating voltage: 2.7V to 5.5V
I
Up to 400 KHz clock frequency at 2.7V to 5.5V
I
Low power consumption
—0.2mA active current typical
—10
μ
A standby current typical
—1
μ
A standby current typical (L version)
—0.1
μ
A standby current typical (LZ version)
I
Schmitt trigger inputs
I
32 byte page write mode
I
Self timed write cycle (6ms typical)
I
Hardware Write Protection for upper half of the array
I
Low V
programming lockout for V
= 5V
±
10% (“H” option)
—Internal ERASE/WRITE logic is disabled if V
CC
is below 3.8V
I
Endurance: 1 Million data changes
I
Data Retention: Greater than 40 years
I
Packages: 8-Pin DIP and 8-Pin SO
I
Temperature range
—Commercial: 0
°
C to +70
°
C
—Industrial (V): -40
°
C to +85
°
C
—Automotive (E): -40
°
C to +125
°
C
H.V. GENERATION
TIMING &CONTROL
E2PROM
ARRAY
YDEC
DATA REGISTER
XDEC
CONTROL
LOGIC
WORD
ADDRESS
COUNTER
SLAVE ADDRESS
REGISTER &
COMPARATOR
START
STOP
LOGIC
WRITE
LOCKOUT
CK
DIN
R/W
SDA
SCL
WP
VCC
VSS
DOUT
A2
A1
A0
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FM24C32UEM8 | 功能描述:電可擦除可編程只讀存儲器 USE 511-M24C32-MN6 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| FM24C32UEM8X | 功能描述:電可擦除可編程只讀存儲器 DISC BY MFG 7/03 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| FM24C32UEN | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FM24C32UFEM8 | 功能描述:電可擦除可編程只讀存儲器 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| FM24C32UFEM8X | 功能描述:電可擦除可編程只讀存儲器 DISC BY MFG 7/03 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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