DS2502-E64

所属类别：存储器芯片
产品名称：EPROM存储器与DS2502相互替代
厂商：MAXIM
生产批号：12+
封装：TO-92-3
库存状态：有库存
库存量：2000
最低订购量：1
详细资料：

Product Introduction

DS2502-E64 EPROM memory

Key features:

Approved IEEE-768-bit factory-programmed 64-bit node address chip (EUI-64 format) for user-programmable OTP-EPROM, economical one signal, plus terrestrial communication
Meets the identification requirements of IEEE Standard 1394-1995 (Firewire ®) nodes
The only 64-bit registration number of the factory lithography is guaranteed to be absolutely traceable, as no two devices are the same
The built-in multipoint controller ensures compatibility with other 1-Wire products
The device is a read-only memory with additional data that can be divided into EPROM without interfering with existing data
Control, address, data, power, programming signals are reduced to a single pin
Directly connected to one port pin of the microprocessor and communication at 16.3kbps
Low-cost TO-92 or TSOC surface-mount packages
A wide voltage range of 2.8V is read from -40 to 6.0V°C to +85°C, and from -40 to 11.5V to 12.0V°C to +50°C

description

TheDS2502-E64 is a 1024-bit memory-only variant of the DS2502. It differs from the standard DS2502 in its custom ROM family code 89H, UniqueWare™ identifier 5E7h local standard ROM sequence field 12 bits. Otherwise, the electrical and logical behavior is the same as the DS2502. For technical details, refer to the DS2502 data sheet.

The first 32 bytes of the DS2502-E64's EPROM memory contain a globally unique 64-bit node address (EUI-64 format) and are write-protected. The data structure is as follows: The full datasheet for the UniqueWare device uses the default data structure (Figure 1). This format is also known as UDP (Universal Data Packet) and the use of the commonly used 1-Wire®API. Therefore, if one of these APIs is used, a high-level function can be called to read and validate the inverted CRC16. Define UDP in Application Note 114 1-Wire File Structure and discover the APIs in the 1-Wire Software Development Kit.

The data logging begins with a UniqueWare item ID of 1 byte (0CH) and 4 bytes of UniqueWare ID 00001128h. The next 8 bytes contain the EUI-64 global identifier (node address) incremented by the 40-bit extended identifier consisting of the IEEE-assigned® 24-bit company ID value 006035h. An inverted 16-bit CRC data record ends. The remaining bytes in the planned 32-byte memory page are still not included. Neither is it a 40-bit extended identifier or a 64-bit ROM registration number associated with a 24-bit company ID. The ROM registration number is used to provide a unique address to access the DS2502-E64 1-Wire bus hook.

The ICs associated with the DS2502-E64 include:

Model	Manufacturers	lot number	encapsulation	illustrate
S3PDB2502	sirectifier	16+	DIP	Three-phase rectifier 350A 200V
0325020.MXP	Littelfus	16+	DIP	20A 250V 6*32 with Pin Fuse Powered Original Import
VS-GBPC2502A	VISHAY	12+	N/A	Electronic components
DS2502-E64	MAXIM	12+	TO-92-3	EPROM memory is a mutually exclusive replacement for the DS2502
3429-2502	3M	10+		Ejector
DS2502P-TR	MAXIM	10+11+	SOP6	Hong Kong spot, imported original
TD62502FG	TOSHIBA	10+11+	SOP-16	Hong Kong spot, imported original
KBPC2502	DC	10+11+		Hong Kong spot, imported original
HDSP-2502	AVAGO	10+	N/A	Brand new original import, Hong Kong spot
BP2502MA	BENCHMARQ	96+	DIP	Brand new original
SAA2502H	Philips	03+	QFP	Brand new original
M62502FP	Mitsubishi	99	SMD	N／A
DS2502S	Dallas	04+	TO-92	Brand new original
DS2502-5	Dallas	03	TSOC-6	New original stock available
MCP1701T-2502I/MB	MICROCHIP	09+	SOT-89	2uA, LDO positive voltage regulator
MCP1702T-2502E/CB	MICROCHIP	09+	SOT-23	250 mA low quiescent current LDO regulator
DS2502-E48	Dallas	05+	TO92	Brand new original
XC61CN2502MR	TOREX	03+	TO23	Brand new original
SID2502A08-DO	Samsung	04+	DIP-32	Brand new original
XC61AC2502MR	TOREX	00+	SOT23-3	Brand new original

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