SN74LVCZ32240AGKER ,32-Bit Buffer/Driver with 3-State OutputsFEATURES• Member of the Texas Instruments Widebus+™ • Supports Mixed-Mode Signal Operation on AllFa ..
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SN74LVCZ32240AGKER
32-Bit Buffer/Driver with 3-State Outputs
www.ti.com
FEATURES
DESCRIPTION/ORDERING INFORMATION
SN74LVCZ32240A
32-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTSSCES421A–JANUARY 2003–REVISED JULY 2005
Memberof the Texas Instruments Widebus+™ •
Supports Mixed-Mode Signal Operation on All
Family Ports (5-V Input/Output Voltage With
3.3-V VCC)•
Operates From 2.7Vto 3.6V Latch-Up Performance Exceeds 100 mA Per•
Inputs Accept Voltagesto 5.5V JESD 78, ClassII•
Maxtpdof 4.2 nsat 3.3V •
ESD Protection Exceeds JESD22•
Ioff and Power-Up 3-State Support Hot 2000-V Human-Body Model (A114-A)Insertion 1000-V Charged-Device Model (C101)This 32-bit buffer/driveris designedfor 2.7-Vto 3.6-V VCC operation.
The SN74LVCZ32240Ais designed specificallyto improve both the performance and densityof 3-state memory
address drivers, clock drivers, and bus-oriented receivers and transmitters.
The device can be used as eight 4-bit buffers, four 8-bit buffers, two 16-bit buffers,or one 32-bit buffer. This
device provides inverting outputs.
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.
During power upor power down, when VCCis between0 and 1.5V, the deviceisin the high-impedance state.
However,to ensure the high-impedance state above 1.5V, OE should be tiedto VCC througha pullup resistor;
the minimum valueof the resistoris determinedby the current-sinking capabilityof the driver.
This deviceis fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry
disables the outputs, preventing damaging current backflow through the device whenitis powered down
(VCC=0 V). The power-up 3-state circuitry places the outputsin the high-impedance state during powerup and
power down, which prevents driver conflict.
ORDERING INFORMATION PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKING–40°Cto 85°C LFBGA– GKE Tape and reel SN74LVCZ32240AGKER ZC240A
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelinesare availableat
www.ti.com/sc/package.
Pleasebe aware thatan important notice concerning availability, standard warranty, and usein critical applicationsof Texas
Not Recommended for New Designs
