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19-5071; 12/09
DS2502-E48
48-Bit Node Address Chip
www.maxim-ic.com
FEATURES
PIN CONFIGURATION
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Factory programmed 48-bit node address
chip with 768 bits user-programmable OTP-
EPROM communicates with the economy of
one signal plus ground
Provides valid MAC-48/EUI-48 Ethernet
address
Unique, factory lasered and tested 64-bit
registration number assures absolute
traceability because no two parts are alike
Built-in multidrop controller ensures
compatibility with other 1-Wire ? products
Device is an “add-only” memory where
additional data can be programmed into
EPROM without disturbing existing data
Reduces control, address, data, power and
programming signals to a single pin
Directly connects to a single port pin of a
microprocessor and communicates at up to
16.3kbps
Presence detector acknowledges when reader
first applies voltage
Low cost TO-92 or TSOC surface mount
packages
Reads over a wide voltage range of 2.8V to
6.0V from -40°C to +85°C; programs at
11.5V to 12.0V from -40°C to + 50°C
TO-92
BOTTOM VIEW
TSOC PACKAGE
TOP VIEW
ORDERING INFORMATION
PART TEMP PIN-
RANGE PACKAGE
DS2502-E48+ -40°C to +85°C 3 TO-92
DS2502P-E48+
DS2502P-E48+T&R
-40°C to +85°C
-40°C to +85°C
6 TSOC
6 TSOC
+ Denotes a lead(Pb)-free/RoHS-compliant package.
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
T&R = Tape and reel.
DESCRIPTION
The DS2502-E48 is a variant of the DS2502 1024-bit add-only memory. It differs from the standard
DS2502 in its custom ROM family code 89h, and the UniqueWare Identifier 5E7h in place of the upper
12 bits of the standard ROM serialization field. Otherwise, the electrical and logical behavior is identical
to that of the DS2502. For technical details please refer to the DS2502 data sheet.
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata .
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相关代理商/技术参数
DS2502P-E48+TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:48-Bit Node Address Chip
DS2502P-E64 制造商:Maxim Integrated Products 功能描述:IEEE EUI-64 NODE ADDR TSOC - Rail/Tube
DS2502P-E64+ 功能描述:可擦除可编程ROM 1Kb Add-Only Memory RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92
DS2502PU-112F+T 功能描述:可擦除可编程ROM RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92
DS2502PU-1176+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS2502PU-1186+T 制造商:Maxim Integrated Products 功能描述:DS2502 1KB ADD-ONLY MEMORY - Tape and Reel
DS2502P-UNW 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:UniqueWare Add-Only Memory
DS2502P-UNW-1149/T&R 功能描述:可擦除可编程ROM RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92