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ISL88694 Datasheet (PDF) - Intersil Corporation

ISL88694 Datasheet PDF - Intersil Corporation
Part # ISL88694_14
Download  ISL88694 Download

File Size   250.35 Kbytes
Page   7 Pages
Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description SMBus Accelerator (SMA)

ISL88694 Datasheet (PDF)

Go To PDF Page Download Datasheet
ISL88694 Datasheet PDF - Intersil Corporation

Part # ISL88694_14
Download  ISL88694 Click to download

File Size   250.35 Kbytes
Page   7 Pages
Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description SMBus Accelerator (SMA)

ISL88694 Datasheet (HTML) - Intersil Corporation

ISL88694_14 Datasheet HTML 1Page - Intersil Corporation ISL88694_14 Datasheet HTML 2Page - Intersil Corporation ISL88694_14 Datasheet HTML 3Page - Intersil Corporation ISL88694_14 Datasheet HTML 4Page - Intersil Corporation ISL88694_14 Datasheet HTML 5Page - Intersil Corporation ISL88694_14 Datasheet HTML 6Page - Intersil Corporation ISL88694_14 Datasheet HTML 7Page - Intersil Corporation

ISL88694 Product details

The ISL88694 SMBus accelerator (SMA) is a dual active
pull-up bus terminator designed to improve data
transmission speed on SMBus or similar 2-wire serial bus
interfaces. The ISL88694 is also compatible to the I2C serial
bus.
The SMA detects rising input transitions with two internal
voltage references and two comparators per channel. After
the voltage on a data line crosses the first threshold
(VTRIPL), the boost pull-up current source is activated to
speed transition. After the voltage crosses the second
threshold (VTRIPH), the boost pull-up current source is deactivated, leaving an active pull-up current of 275µA on the
line. When both channels are HIGH, the pull-up current for
both lines is reduced to 100µA to save power. Internal logic
ensures that the active and boost pull-up current sources are
not activated during downward transitions.
The level for VTRIPH is controlled by a bandgap voltage
referred to VDD. This feature makes the switching behavior
invariant for all power supply voltages between 2.7V and
5.5V.
A noise filter on each channel prevents the circuit from
responding to input transitions that do not exceed a voltagetime threshold. To activate the boost circuit, the input must
exceed VTRIPL by 100Vns (typical) (See Figure 10).
The SMA permits operation of the bus at frequencies up to
100kHz, despite the capacitive loads of multiple devices
and/or long PC board traces. Enhanced ESD protection on
the accelerator pins are guaranteed to withstand 8kV ESD
(HBM) events.
The SMBus Accelerator provides an essential function in
SMBus applications because of distributed capacitance of
SMBus and multiple device input capacitances at various
nodes. By incorporating SMA, systems using SMBus or I2C
can reliably increase their bus load without the risk of data
loss.

Features
• Active Termination for SMBus lines
• Enhances System Bus Signal Rise Time
• Increases Bus Capacity While Guaranteeing Data Integrity
• 2.2mA Rise Time Supply Current
• 8kV ESD Protection on SDA and SCL Pins
• Wide Operating Voltage Range: 2.7V to 5.5V
• 2-Wire SMBus and I2C Compatible (100kHz)
• Small Package - SOT23-5
• Pin-for-Pin Compatible with the LTC1694
• Pb-Free Available (RoHS Compliant)

Target Applications
• Servers
• Data Acquisition
• Routers
• Battery Chargers
• Portable Instrumentation
• Notebook
• PC
• Facilities Tracking System




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About Intersil Corporation


Intersil Corporation was an American semiconductor company that specialized in the design and manufacture of high-performance analog and mixed-signal integrated circuits.
The company was founded in 1967 and was known for its expertise in power management, data conversion, and radio frequency (RF) technologies.
Intersil's products were used in a wide range of applications such as consumer electronics, industrial, telecommunications, and aerospace and defense.
In 2016, Intersil was acquired by Renesas Electronics Corporation, a Japanese semiconductor company.
The Intersil brand and technology continue to be developed and sold as part of Renesas' portfolio of products.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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