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MFG:DALLAS D/C:07+
Part Number: DS2490S
MFG: DALLAS
D/C: 07+
Description: The DS2490 is a bridge chip that enables communication between a USB host system and a 1-Wire bus. It ...
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DS2490S
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DataSheet
General Description
DS2490S General Description
The DS2490 is a bridge chip that enables communication between a USB host system and a 1-Wire bus. It provides regular, overdrive, and flexible 1-Wire communication speeds and a full-speed 12Mbps connection to USB. USB vendor-specific commands defined in this specification are used to control the DS2490 and communicate with attached 1-Wire devices. A functional block diagram of the DS2490 is shown in Figure 1.
DS2490S Maximum Ratings
Voltage on Any Pin Relative to Ground ..............-0.5V to +6.0V
Operating Temperature Range........................... 0 to +70
Storage Temperature Range .........................-55 to +125
Soldering Temperature ...............See J-STD-020A Specification
Operating Temperature Range........................... 0 to +70
Storage Temperature Range .........................-55 to +125
Soldering Temperature ...............See J-STD-020A Specification
DS2490S Features
` Communicates at regular and overdrive 1- Wire® speeds
` Supports 12V EPROM programming and stiff 5V pullup for EEPROM, sensors, and crypto iButton®
` Slew rate controlled 1-Wire timing and active pullup to accommodate long 1-Wire network lines and reduce radiation
` Programmable 1-Wire timing and driver characteristics accommodate a wide range of 1-Wire network configurations
` Low- to high-level command types, including macros, for generating 1-Wire communication
` Crystal oscillator timebase provides precision timed 1-Wire waveforms
` High-speed 12Mbps Universal Serial Bus (USB) interface
` Integrated USB-compliant transceiver
` Supports USB remote wake-up from a 1-Wire device event to resume a suspended host system
` 0 to +70 operating temperature range
` Supports 12V EPROM programming and stiff 5V pullup for EEPROM, sensors, and crypto iButton®
` Slew rate controlled 1-Wire timing and active pullup to accommodate long 1-Wire network lines and reduce radiation
` Programmable 1-Wire timing and driver characteristics accommodate a wide range of 1-Wire network configurations
` Low- to high-level command types, including macros, for generating 1-Wire communication
` Crystal oscillator timebase provides precision timed 1-Wire waveforms
` High-speed 12Mbps Universal Serial Bus (USB) interface
` Integrated USB-compliant transceiver
` Supports USB remote wake-up from a 1-Wire device event to resume a suspended host system
` 0 to +70 operating temperature range
DS2490S Connection Diagram
DS2490S
PDF/DataSheet Download
- Datasheet: DS2490S
- File Size: 479232 KB
- Manufacturer: MAXIM
- Click here to Download
- ·DS2
- Linear
- Simple Differential Front-End for the LTC2400
- 68288 KB
- ·DS2002SF
- DYNEX [Dynex Semiconductor]
- Rectifier Diode
- 93862 KB
- ·DS2002SF13
- DYNEX [Dynex Semiconductor]
- Rectifier Diode
- 93862 KB
- ·DS2002SF14
- DYNEX [Dynex Semiconductor]
- Rectifier Diode
- 93862 KB
- ·DS2002SF15
- DYNEX [Dynex Semiconductor]
- Rectifier Diode
- 93862 KB
- ·DS2002SF16
- DYNEX [Dynex Semiconductor]
- Rectifier Diode
- 93862 KB
- ·DS2002SF17
- DYNEX [Dynex Semiconductor]
- Rectifier Diode
- 93862 KB
- ·DS2002SF18
- DYNEX [Dynex Semiconductor]
- Rectifier Diode
- 93862 KB
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The DS2490 is a bridge chip that enables communication between a USB host system and a 1-Wire bus. It provides regular, overdrive, and flexible 1-Wire communication speeds and a full-speed 12Mbps connection to USB. USB vendor-specific commands defined in thi...
DS2490
The DS2490 is a bridge chip that enables communication between a USB host system and a 1-Wire bus.It provides regular, overdrive, and flexible 1-Wire communication speeds and a full-speed 12Mbps connection to USB. USB vendor-specific commands defined in this...
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