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FEATURES

· Members of the Texas Instruments Widebus?

Family

· State-of-the-Art Advanced BiCMOS

Technology (ABT) Design for 3.3-V Operation

and Low Static-Power Dissipation

· Output Ports Have Equivalent 22-W Series

Resistors, So No External Resistors Are

Required

· Support Mixed-Mode Signal Operation

(5-V Input and Output Voltages With

3.3-V VCC)

· Support Unregulated Battery Operation Down

to 2.7 V

· Typical VOLP (Output Ground Bounce) <0.8 V

at VCC = 3.3 V, TA = 25°C

· Ioff and Power-Up 3-State Support Hot

Insertion

· Bus Hold on Data Inputs Eliminates the Need

for External Pullup/Pulldown Resistors

· Distributed VCC and GND Pin Configuration

Minimizes High-Speed Switching Noise

· Flow-Through Architecture Optimizes PCB

Layout

· Latch-Up Performance Exceeds 250 mA Per

JESD 17

· ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Exceeds 200 V

Using Machine Model (C = 200 pF, R = 0)

· Package Options Include Plastic Shrink

Small-Outline (DL) and Thin Shrink

Small-Outline (DGG) Packages and 380-mil

Fine-Pitch Ceramic Flat (WD) Package Using

25-mil Center-to-Center Spacings

DESCRIPTION/ORDERING INFORMATION

The 'LVTH162240 devices are 16-bit buffers/drivers designed specifically for low-voltage (3.3-V) VCC operation

and to improve both the performance and density of 3-state memory address drivers, clock drivers, and

bus-oriented receivers and transmitters. They have the capability to provide a TTL interface to a 5-V system

environment.

These devices can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer and provide inverting

outputs and symmetrical active-low output-enable (OE) inputs.

The outputs, which are designed to source or sink up to 12 mA, include equivalent 22-W series resistors to

reduce overshoot and undershoot.

When VCC is between 0 and 1.5 V, the devices are in the high-impedance state during power up or power down.

However, to ensure the high-impedance state above 1.5 V, 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.