DS2502P-E48+T&R Maxim Integrated Products, DS2502P-E48+T&R Datasheet

IC OTP 1KBIT 6TSOC

DS2502P-E48+T&R

Manufacturer Part Number
DS2502P-E48+T&R
Description
IC OTP 1KBIT 6TSOC
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of DS2502P-E48+T&R

Format - Memory
EPROMs (with MAC Address)
Memory Type
OTP EPROM
Memory Size
1K (1K x 1)
Interface
1-Wire Serial
Operating Temperature
-40°C ~ 85°C
Package / Case
6-TSOC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Supply
-
Speed
-
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.
www.maxim-ic.com
FEATURES
 Factory programmed 48-bit node address
 Provides valid MAC-48/EUI-48 Ethernet
 Unique, factory lasered and tested 64-bit
 Built-in multidrop controller ensures
 Device is an “add-only” memory where
 Reduces control, address, data, power and
 Directly connects to a single port pin of a
 Presence detector acknowledges when reader
 Low cost TO-92 or TSOC surface mount
 Reads over a wide voltage range of 2.8V to
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.
19-5071; 12/09
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
chip with 768 bits user-programmable OTP-
EPROM communicates with the economy of
one signal plus ground
address
registration number assures absolute
traceability because no two parts are alike
compatibility with other 1-Wire
additional data can be programmed into
EPROM without disturbing existing data
programming signals to a single pin
microprocessor and communicates at up to
16.3kbps
first applies voltage
packages
6.0V from -40°C to +85°C; programs at
11.5V to 12.0V from -40°C to + 50°C
®
products
1 of 4
PIN CONFIGURATION
ORDERING INFORMATION
PART
DS2502-E48+
DS2502P-E48+
DS2502P-E48+T&R
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
48-Bit Node Address Chip
TSOC PACKAGE
BOTTOM VIEW
TOP VIEW
TEMP
RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TO-92
DS2502-E48
PIN-
PACKAGE
3 TO-92
6 TSOC
6 TSOC

Related parts for DS2502P-E48+T&R

DS2502P-E48+T&R Summary of contents

Page 1

... For information about device errata, click here: www.maxim-ic.com/errata. 48-Bit Node Address Chip PIN CONFIGURATION ® products ORDERING INFORMATION PART DS2502-E48+ DS2502P-E48+ DS2502P-E48+T&R + Denotes a lead(Pb)-free/RoHS-compliant package. T&R = Tape and reel DS2502-E48 TO-92 BOTTOM VIEW TSOC PACKAGE TOP VIEW ...

Page 2

... The first 32 bytes of the DS2502-E48’s EPROM memory contain a globally unique 48-bit node address and are write-protected. The data structure follows the conventions of UniqueWare devices using Default Data Structure (Figure 1). This format is also known as UDP (universal data packet) and is commonly used in 1-Wire APIs. Therefore, if using one of those APIs one can call a high level function to read and verify the inverted CRC16 ...

Page 3

... CRC values including examples in both hardware and software, see Application Note 27, Understanding and Using Cyclic Redundancy Checks with Maxim iButton The contents of the memory address range 0Dh to 1Fh is FFh. These cells cannot be altered since the whole memory page is write-protected. The memory range from 20h to 7Fh, however, is user- programmable ...

Page 4

REVISION HISTORY REVISION DATE Changed the Ordering Information to lead free. Included an explanation of “Default Data Structure” above Figure 1. Emphasized that the 16-bit CRC is inverted. 12/09 Deleted paragraph on how to set up a UniqueWare project. Inserted ...

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