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SN74LVC32245GKER-SN74LVC32245ZKER
32-Bit Bus Transceiver With 3-State Outputs
www.ti.com
FEATURES
DESCRIPTION/ORDERING INFORMATION
SN74LVC32245
32-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTSSCES343D–OCTOBER 2000–REVISED APRIL 2005
Typical VOHV (Output VOH Undershoot)>2Vat
VCC= 3.3V, TA= 25°C•
Memberof the Texas Instruments Widebus+™
Family •
Ioff Supports Partial-Power-Down Mode
Operation•
Operates From 1.65Vto 3.6V Supports Mixed-Mode Signal Operation on All•
Inputs Accept Voltagesto 5.5V Ports (5-V Input/Output Voltage With•
Maxtpdof4nsat 3.3V 3.3-VVCC)•
Typical VOLP (Output Ground Bounce)< 0.8V VCC= 3.3V,TA= 25°CThis 32-bit noninverting bus transceiveris designedfor 1.65-Vto 3.6-V VCC operation.
The SN74LVC32245is designed for asynchronous communication between data buses. The control-function
implementation minimizes external timing requirements.
This device can be usedas four 8-bit transceivers, two 16-bit transceivers,or one 32-bit transceiver.It allows
data transmission from theA busto theB busor from theB busto theA bus, dependingon the logic levelat the
direction-control (DIR) input. The output-enable (OE) input can be usedto disable the device so that the buses
are effectively isolated.
Inputs canbe driven from either 3.3-Vor 5-V devices. This feature allows the useof these devicesas translatorsa mixed 3.3-V/5-V system environment.
resistor; the minimum valueof the resistoris determinedby the current-sinking capabilityof the driver.
ORDERING INFORMATION PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKINGLFBGA– GKE SN74LVC32245GKER–40°Cto 85°C Tape and reel NC245LFBGA– ZKE (Pb-free) SN74LVC32245ZKER
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelinesare availableat
www.ti.com/sc/package.
