See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

ZKE | 96

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

74LVCH322244AZKER


32-Bit Buffer/Driver With 3-State Outputs

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Texas Instruments 74LVCH322244AZKER

This 32-bit buffer/driver is designed for 1.65-V to 3.6-V VCC operation.

The SN74LVCH322244A is designed specifically to improve the performance and density of 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 output-enable (OE)\ inputs.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment.

The outputs, which are designed to sink up to 12 mA, include equivalent 26- resistors to reduce overshoot and undershoot.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

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