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DS2502S-UNW 数据表 (PDF) - Dallas Semiconductor

DS2502S-UNW Datasheet PDF - Dallas Semiconductor
部件名 DS2502S-UNW
下载  DS2502S-UNW 下载

文件大小   46.54 Kbytes
  3 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 UniqueWare Add-Only Memory

DS2502S-UNW Datasheet (PDF)

Go To PDF Page 下载 数据表
DS2502S-UNW Datasheet PDF - Dallas Semiconductor

部件名 DS2502S-UNW
下载  DS2502S-UNW Click to download

文件大小   46.54 Kbytes
  3 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 UniqueWare Add-Only Memory

DS2502S-UNW 数据表 (HTML) - Dallas Semiconductor

DS2502S-UNW Datasheet HTML 1Page - Dallas Semiconductor DS2502S-UNW Datasheet HTML 2Page - Dallas Semiconductor DS2502S-UNW Datasheet HTML 3Page - Dallas Semiconductor

DS2502S-UNW 产品详情

SILICON LABEL DESCRIPTION

The DS2501–UNW and DS2502–UNW are factory programmed versions of the DS2502 1K–bit Add–Only Memory. They differ from the standard DS2502 in their custom ROM family code 91H (DS2501–UNW) and 89H (DS2502–UNW) respectively, and the UniqueWare Identifier 5E7 in place of the upper 12 bits of the standard serialization field. With the DS2501–UNW, the upper two memory pages are not accessible; they always read FFH and cannot be programmed.



SPECIAL FEATURES

• 512 bits (DS2501–UNW) or 1024 bits (DS2502–UNW) 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, 36–bit serialization, 12–bit UniqueWare Identifier 5E7H, 8–bit CRC–tester) assures absolute traceability because no two parts are alike. Family code 91H for the DS2501–UNW, 89H for the DS2502–UNW

• Built–in multidrop controller ensures compatibility with other MicroLANTM products

• EPROM partitioned into two (DS2501–UNW) or four (DS2502–UNW) 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

• Reduces control, address, data, power and program ming signals to a single pin

• Directly connects to a single port pin of a microproces sor and communicates at up to 16.3k bits per second

• Presence detector acknowledges when reader first applies voltage

• Low cost TO–92 or 8–pin SOIC and 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



 




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关于 Dallas Semiconductor


达拉斯半导体是一家美国公司,成立于1984年,是混合信号和数字半导体的供应商。
该公司总部位于德克萨斯州达拉斯,并以其创新产品和技术在实时时钟,温度传感器和其他集成电路领域而闻名。
2002年,达拉斯半导体被跨国半导体公司Maxim Integrated收购,并成为Maxim的子公司。
达拉斯半导体品牌不再使用,但其产品和技术仍然是Maxim投资组合的一部分。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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