Low

LTC4301IDD#PBF - 

IC, HOTSWAP 2WIRE BUS BUFFR, 8DFN

LTC4301IDD#PBF - IC, HOTSWAP 2WIRE BUS BUFFR, 8DFN

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LTC4301IDD#PBF
Order Code:
2294470
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC4301IDD#PBF is a supply independent 2-wire hot swappable Bus Buffer allows I/O card insertion into a live backplane without corruption of the data and clock busses. In addition, the LTC4301 allows the VCC, SDAIN and SCLIN pull-up voltage and the SDAOUT and SCLOUT pull-up voltage to be independent from each other. Control circuitry prevents the backplane from being connected to the card until a stop bit or a bus idle is present. When the connection is made, it provides bidirectional buffering, keeping the backplane and card capacitances isolated. During insertion, the SDA and SCL lines are pre-charged to 1V to minimize bus disturbances. When driven low, the CS input pin allows the part to connect after a stop bit or bus idle occurs. Driving CS high breaks the connection between SCLIN and SCLOUT and between SDAIN and SDAOUT. The READY output pin indicates that the backplane and card sides are connected together.
  • Allows bus pull-up voltages above or below VCC
  • Bidirectional buffer for SDA and SCL lines increases fanout
  • Prevents SDA and SCL corruption during live board insertion and removal from backplane
  • Isolates input SDA and SCL line from output
  • 10kV Human body model ESD Protection
  • Supports clock stretching, arbitration and synchronization
  • CS Gates connection from input to output

Applications

Computers & Computer Peripherals

Product Information

:
Capacitance Buffer / Bus Extender, Desktop Computer, Hot Board Insertion, Servers
:
-
:
2.7V
:
5.5V
:
DFN
:
8Pins
:
-40°C
:
85°C
:
Each
:
-
:
Yes
:
MSL 1 - Unlimited
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More stock available week commencing 05/03/18

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