DS2505+TR datasheet(1/24 Pages) MAXIM

Part #	DS2505+TR

Description	16Kb Add-Only Memory

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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071107

FEATURES

 16384 bits Electrically Programmable Read

Only Memory (EPROM) communicates with

the economy of one signal plus ground

 Unique, factory-lasered and tested 64-bit

registration number (8-bit family code +

48-bit serial number + 8-bit CRC tester)

assures absolute traceability because no two

parts are alike

 Built-in

multidrop

controller

ensures

compatibility with other 1-Wire

 Net

products

 EPROM partitioned into sixty-four 256-bit

pages for randomly accessing packetized data

records

 Each memory page can be permanently write-

protected to prevent tampering

 Device is an “add only” memory where

additional data can be programmed into

EPROM without disturbing existing data

 Architecture allows software to patch data by

superseding an old page in favor of a newly

programmed page

 Reduces control, address, data, power, and

programming signals to a single data pin

 Directly connects to a single port pin of a

microprocessor and communicates at up to

16.3 kbits per second

 8-bit

family

code

specifies

DS2505

communications requirements to reader

 Presence detector acknowledges when the

reader first applies voltage

 Low cost TO-92 or 6-pin TSOC surface

mount package

 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

DS2505

PIN ASSIGNMENT

NOTE: The leads of TO-92 packages on tape-

and-reel are formed to approximately 100 mil

(2.54 mm) spacing. For details see the Package

Information section.

ORDERING INFORMATION

DS2505

TO-92 Package

DS2505/T&R

TO-92 Package, Tape & Reel

DS2505P

TSOC Package

DS2505P/T&R TSOC Package, Tape & Reel

DS2505+

TO-92 Package

DS2505+T&R

TO-92 Package, Tape & Reel

DS2505P+

TSOC Package

DS2505P+T&R TSOC Package, Tape & Reel

+ Denotes a lead(Pb)-free/RoHS-compliant

package.

Top View

3.7 X 4.0 X 1.5 mm

DATA

1

2

3

6

5

4

Side View

See Mech.

Drawing Section

TSOC PACKAGE

GND

NC

16Kb Add-Only Memory

www.maxim-ic.com

1-Wire is a registered trademark of Maxim Integrated Products, Inc.

TO-92

DALLAS

DS2505

1 2 3

Bottom View

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DS2505+TR Datasheet(PDF) 1 Page - Maxim Integrated Products

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