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| 型號(hào)： | DS2431P |
| 元件分類(lèi)： | DRAM |
| 英文描述： | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| 中文描述： | 該CAT24FC02是一個(gè)2 KB的EEPROM的國(guó)內(nèi)256個(gè)8位每字舉辦的串行CMOS |
| 文件頁(yè)數(shù)： | 1/23頁(yè) |
| 文件大?。?/td> | 170K |
| 代理商： | DS2431P |
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REV: 050704
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
www.maxim-ic.com/errata.
GENERAL DESCRIPTION
The DS2431 is a 1024-bit, 1-Wire
EEPROM chip
organized as four memory pages of 256 bits each.
Data is written to an 8-byte scratchpad, verified, and
then copied to the EEPROM memory. As a special
feature, the four memory pages can individually be
write protected or put in EPROM-emulation mode,
where bits can only be changed from a 1 to a 0 state.
The DS2431 communicates over the single-
conductor 1-Wire bus. The communication follows
the standard Dallas Semiconductor 1-Wire protocol.
Each device has its own unalterable and unique 64-
bit ROM registration number that is factory lasered
into the chip. The registration number is used to
address the device in a multidrop 1-Wire net
environment.
APPLICATIONS
Accessory/PC Board Identification
Medical Sensor Calibration Data Storage
Analog Sensor Calibration Including IEEE-
P1451.4 Smart Sensors
Ink and Toner Print Cartridge Identification
After-Market Management of Consumables
TYPICAL OPERATING CIRCUIT
μC
I/O
DS2431
GND
R
PUP
V
CC
FEATURES
!
1024 Bits of EEPROM Memory Partitioned into
Four Pages of 256 Bits
!
Individual Memory Pages can be Permanently
Write Protected or Put in EPROM-Emulation
Mode ("Write to 0")
!
Switchpoint Hysteresis and Filtering to Optimize
Performance in the Presence of Noise
!
IEC 1000-4-2 Level 4 ESD Protection (8kV
Contact, 15kV Air)
!
Reads and Writes Over a Wide Voltage Range of
2.8V to 5.25V from -40°C to +85°C
!
Communicates to Host with a Single Digital
Signal at 15.4kbps or 111kbps Using 1-Wire
Protocol
ORDERING INFORMATION
PART
TEMP RANGE
DS2431
-40°C to 85°C
DS2431/T&R
-40°C to 85°C
DS2431P
-40°C to 85°C
DS2431P/T&R
-40°C to 85°C
DS2431X
-40°C to 85°C
PIN-PACKAGE
TO-92
TO-92, tape & reel
TSOC
TSOC, tape & reel
CSP, tape & reel
PIN CONFIGURATION
1 2 3
1
2
3
TO-92
TSOC, Top View
1
2
3
6
5
4
TSOC, TO-92 pinout:
Pin 1 -------------
Pin 2 -------------
All other pins --
GND
I/O
NC
CSP, approx. 68
×
68 mil
Top view, bumps not visible
A
B
2
1
A1 = NC
A2 = I/O
B1 = NC
B2 = GND
DS2431
1024-Bit 1-Wire EEPROM
www.maxim-ic.com
Commands, Registers, and Modes are capitalized for
clarity.
1-Wire is a registered trademark of Dallas Semiconductor Corp.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2431X | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| DS2441 | 1-Cell Li-Ion Battery Manager |
| DS2450 | 1-Wire Quad A/D Converter |
| DS2450S | 1-Wire Quad A/D Converter |
| DS2480 | Serial 1.Wire Line Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2431P R | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:1024-Bit, 1-Wire EEPROM |
| DS2431P T | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:1024-Bit, 1-Wire EEPROM |
| DS2431P/R | 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:1024-Bit 1-Wire EEPROM |
| DS2431P/T | 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:1024-Bit 1-Wire EEPROM |
| DS2431P/T&R | 功能描述:電可擦除可編程只讀存儲(chǔ)器 RoHS:否 制造商:Atmel 存儲(chǔ)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 |
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