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54LVXC4245

Part Number	54LVXC4245
Manufacturer	National Semiconductor
Description	8-Bit Dual Supply Configurable Voltage Interface Transceiver
Published	Mar 24, 2007
Detailed Description	www.DataSheet4U.com 54LVXC4245 8-Bit Dual Supply Configurable Voltage Interface Transceiver with TRI-STATE Outputs Mar...
Datasheet	54LVXC4245 PDF File

Overview

www.
DataSheet4U.
com 54LVXC4245 8-Bit Dual Supply Configurable Voltage Interface Transceiver with TRI-STATE Outputs March 1999 54LVXC4245 8-Bit Dual Supply Configurable Voltage Interface Transceiver with TRI-STATE ® Outputs General Description The LVXC4245 is a 24-pin dual-supply, 8-bit configurable voltage interface transceiver suited for real time configurable I/O applications.
The VCCA pin accepts a 5V supply level.
The “A” port is a dedicated 5V port.
The VCCB pin accepts a 3V-to-5V supply level.
The “B” port is configured to track the VCCB supply level respectively.
A 5V level on the VCC pin will configure the I/O pins at a 5V level and a 3V VCC will configure the I/O pins at a 3V level.
This device will allow the VCCB voltage source pin and I/O pins on the “B” port to float when OE is HIGH.
This feature is necessary to buffer data to and from a socket that permits live insertion and removal during normal operation.
Features Bidirectional interface between 5V and 3V-to-5V buses Control inputs compatible with TTL level Outputs source/sink up to 24 mA Available in Cerpack and CDIP packages Implements patented EMI reduction circuitry Flexible VCCB operating range Allows B port and VCCB to float simultaneously when OE is HIGH n Functionally compatible with the 54 series 245 n Standard Microcircuit Drawing (SMD) 5962-9862001 n n n n n n n Ordering Code Order Number 54LVXC4245W-QML 54LVXC4245J-QML Package Number W24C J24F 24-Lead Ceramic Flatpack 24-Lead Ceramic Dual-in-line Package Description Logic Symbol Connection Diagram Pin Assignment for Cerpack and CDIP DS101033-1 Pin Descriptions Pin Names OE T/R A0–A7 B0–B7 Description Output Enable Input Transmit/Receive Input Side A Inputs or TRI-STATE Outputs Side B Inputs or TRI-STATE Outputs DS101033-2 TRI-STATE ® is a registered trademark of National Semiconductor Corporation © 1999 National Semiconductor Corporation DS101033 www.
national.
com Truth Table Inputs OE L L H T/R L H X Bus B Data to Bus A Bus A...

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54LVXC4245 8-Bit Dual Supply Configurable Voltage Interface Transceiver - National Semiconductor

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