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Микросхема DS2480B+, Драйвер Serial to 1- Wire Line [SO-8]

274,40 руб.

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Склад №110-12 дней274,40руб.255,19руб.246,96руб.241,47руб.233,24руб.219,52руб.214,03руб.
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Склад №25-7 дней515,87руб.474,71руб.466,48руб.455,50руб.439,04руб.414,34руб.403,37руб.
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Склад №35-7 дней524,10руб.482,94руб.471,97руб.460,99руб.439,04руб.417,09руб.408,86руб.
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Склад №410 дней329,28руб.301,84руб.296,35руб.288,12руб.279,89руб.263,42руб.255,19руб.
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Склад №57 дней477,46руб.439,04руб.428,06руб.419,83руб.406,11руб.381,42руб.370,44руб.
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Склад №610-12 дней299,10руб.277,14руб.268,91руб.263,42руб.255,19руб.238,73руб.233,24руб.

Характеристики

DS2480B+, Драйвер Serial to 1- Wire Line [SO-8]The DS2480B+ is a serial port to 1-Wire® Interface Chip, supports standard and overdrive speeds. It connects directly to UARTs and 5V RS-232 systems. Interfacing to RS-232C (±12V levels) requires a passive clamping circuit and one 5V to ±12V level translator. Internal timers relieve the host of the burden of generating the time-critical 1-Wire communication waveforms. In contrast to the DS9097(E) where a full character must be sent by the host for each 1-Wire time slot, the DS2480B+ can translate each character into eight 1-Wire time slots, thereby increasing the data throughput significantly. In addition, the DS2480B+ can be set to communicate at four different data rates, including 115.2, 57.6 and 19.2kbps, with 9.6kbps being the power-on default. Command codes received from the host’s crystal controlled UART serve as a reference to continuously calibrate the on-chip timing generator.

• Simplifies Design of Universal RS-232 COM Port to 1-Wire® Interface True-ground
• Interface to an RS-232 COM Port for Reading and Writing 1-Wire Devices
• Works with Bipolar as well as Unipolar Logic Signals
• Slew rate controlled 1-Wire pulldown & active pullup to accommodate long lines and reduce radiation
• Communicates at Data Rates of 9.6kbps (Default), 19.2kbps, 57.6kbps and 115.2kbps
• Self-calibrating Time Base with ±5% Tolerance for Serial and 1-Wire Communication
• User-selectable RXD/TXD Polarity minimizes component count when Interfacing to 5V based RS232 System
• Smart Protocol Combines Data and Control Information Without Requiring Extra Pins
• Compatible with Optical, IR and RF to RS232 Converters
• Single Product Supports Various iButton® or 1-Wire Device Types for Easy System Integration
• Supports Reading and Writing at Standard and Overdrive Speeds
• Provides Strong Pullup to 5V for Temperature and EEPROM 1-Wire Devices
• Programs 1-Wire EPROM Devices with External 12V Power Supply
• 1-Wire timing and driver characteristics accommodate a wide range of slave device configurations