| Allicdata Part #: | ISL83491IP-ND |
| Manufacturer Part#: |
ISL83491IP |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Intersil |
| Short Description: | IC TXRX RS485/422 3.3V LP 14-DIP |
| More Detail: | 1/1 Transceiver Full RS422, RS485 14-PDIP |
| DataSheet: | ISL83491IP Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Obsolete |
| Type: | Transceiver |
| Protocol: | RS422, RS485 |
| Number of Drivers/Receivers: | 1/1 |
| Duplex: | Full |
| Receiver Hysteresis: | 50mV |
| Data Rate: | 10Mbps |
| Voltage - Supply: | 3 V ~ 3.6 V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Through Hole |
| Package / Case: | 14-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 14-PDIP |
| Base Part Number: | ISL83491 |
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The ISL83491IP is an integrated voltage supervisor that provides supply sequencin, fault indication, monitoring and status indication for microprocessor, logic and analog supply rails on computer, telecommunications, and industrial systems. In interface-drivers, receivers, transceivers applications, the ISL83491IP plays a central role. It functions by monitoring the digital logic and/or supply voltages and asserting reset, warning, power-good, board-release and associated system functions, such as sleep mode.
The ISL83491IP has four independent supply voltage inputs and a wide range of system processing capabilities. The supply voltage inputs provide a means of monitoring supply rail conditions both before and after power up. Each of the four inputs is monitored using differential comparison circuitry, and each can have an independent trip point voltage. The differential comparisons guard against false trips due to noise and supply droop.
The ISL83491IP is designed to ensure that the system power supply is stable and safe before the microprocessor or other system components are enabled. Its output pins are configured to provide a reset signal to the microprocessor or other components, and the reset pin status can be monitored internally. The ISL83491IP can also drive an external MOS switch that can be used to isolate the supply rail to ensure safe operation if the power supply or system condition falls below the normal operating range.
The ISL83491IP has three main power modes: normal, sleep and reset. The normal mode allows the microprocessor or other components to run at their full speed. The sleep mode is used to reduce power consumption in standby or idle states. And the reset mode is used to assert a reset signal to the microprocessor or other components.
The ISL83491IP also has a safety feature called the on-off delay. This feature ensures that a reset signal is injected prior to the main power supply rail sequencer switching off. This helps protect the microprocessor or other components by ensuring that any data stored in memory or the cache is not corrupted before the system shuts down.
The ISL83491IP also has an independent supply sequencer, which actively controls the power on and power off sequence. This helps ensure that all the system supply rails are properly stabilized during system start-up and shut-down. It can also be configured to handle power supply transients and over-voltage conditions.
Finally, the ISL83491IP also supports a watchdog timer that can be used to monitor the health of the system and generate a reset signal if the system is not functioning properly. This helps to ensure that the system is working as expected and that any faults are detected and handled in a timely manner.
In summary, the ISL83491IP offers highly integrated voltage supervisor capabilities for microprocessor, logic and analog supply rails in interface-drivers, receivers, and transceivers applications. Its sophisticated reset and supply sequencer functions, coupled with its flexibility, make it an ideal solution for ensuring reliable system power and safe operational conditions.
The specific data is subject to PDF, and the above content is for reference
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ISL83491IP Datasheet/PDF