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DS2505/TR

更新时间: 2024-11-19 11:49:35
品牌 Logo 应用领域
美信 - MAXIM 存储
页数 文件大小 规格书
24页 590K
描述
16Kb Add-Only Memory

DS2505/TR 数据手册

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DS2505  
16Kb Add-Only Memory  
www.maxim-ic.com  
FEATURES  
PIN ASSIGNMENT  
. 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  
TSOC PACKAGE  
TO-92  
1
2
3
6
5
4
GND  
DATA  
NC  
NC  
NC  
NC  
DALLAS  
DS2505  
Top View  
3.7 X 4.0 X 1.5 mm  
. Built-in  
multidrop  
controller  
ensures  
compatibility with other 1-WireNet  
products  
Side View  
See Mech.  
. EPROM partitioned into sixty-four 256-bit  
pages for randomly accessing packetized data  
records  
Drawing Section  
. 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  
1 2 3  
Bottom View  
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  
. 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  
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.  
1-Wire is a registered trademark of Maxim Integrated Products, Inc.  
1 of 24  
071107  

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