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74ALVCH32244ZKER
32-Bit Buffer/Driver With 3-State Outputs 96-LFBGA -40 to 85
www.ti.com
FEATURES
DESCRIPTION/ORDERING INFORMATION
SN74ALVCH32244
32-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTSSCES281D–OCTOBER 1999–REVISED SEPTEMBER 2004
Latch-Up Performance Exceeds 100 mA Per
JESD 78, ClassII•
Memberof the Texas Instruments Widebus+™
Family •
ESD Protection Exceeds JESD22 Operates From 1.65Vto 3.6V – 2000-V Human-Body Model (A114-A) Maxtpdof3nsat 3.3V – 200-V Machine Model (A115-A) ±24-mA
Output Driveat 3.3V – 1000-V Charged-Device Model (C101) Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown ResistorsThis 32-bit buffer/driveris designedfor 1.65-Vto 3.6-V VCC operation.
The SN74ALVCH32244is designed specificallyto improve 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.It
provides true outputs and symmetrical active-low ensure the high-impedance state during should be tiedto VCC througha pullup
resistor; the minimum valueof the resistor capabilityof the driver.
Active bus-hold circuitry holds unusedor Useof pullupor pulldown resistors
with the bus-hold circuitryis not recommended.
ORDERING INFORMATION PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKINGLFBGA- GKE SN74ALVCH32244KR-40°Cto 85°C Tape and reel ACH244
FUNCTION TABLE
(each 4-bit buffer)
INPUTS OUTPUTOE A H H L L X Z
