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74VCXH16244

LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE INV.) WITH 3.6V TOLERANT INPUTS AND OUTPUTS

STMicroelectronics 

74VCXH16244

LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE INV.)

WITH 3.6V TOLERANT INPUTS AND OUTPUTS

s 3.6V TOLERANT INPUTS AND OUTPUTS

s HIGH SPEED :

tPD = 2.5 ns (MAX.) at VCC = 3.0 to 3.6V

tPD = 3.0 ns (MAX.) at VCC = 2.3 to 2.7V

s POWER DOWN PROTECTION ON INPUTS

AND OUTPUTS

s SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 24mA (MIN) at VCC = 3.0V

|IOH| = IOL = 18mA (MIN) at VCC = 2.3V

s OPERATING VOLTAGE RANGE:

VCC(OPR) = 2.3V to 3.6V

s PIN AND FUNCTION COMPATIBLE WITH

74 SERIES H16244

s BUS HOLD PROVIDED ON DATA INPUTS

s LATCH-UP PERFORMANCE EXCEEDS

300mA (JESD 17)

s ESD PERFORMANCE:

HBM > 2000V (MIL STD 883 method 3015);

MM > 200V

DESCRIPTION

The 74VCXH16244 is a low voltage CMOS 16 BIT

BUS BUFFER (NON INVERTED) fabricated with

sub-micron silicon gate and five-layer metal wiring

C2MOS technology. It is ideal for low power and

very high speed 2.3 to 3.6V applications; it can be

interfaced to 3.6V signal environment for both

inputs and outputs.

Any nG output control governs four BUS

BUFFERS. Output Enable input (nG) tied together

gives full 16-bit operation.

When nG is LOW, the outputs are on. When nG is

HIGH, the output are in high impedance state.

This device is designed to be used with 3 state

memory address drivers, etc. Bus hold on data

inputs is provided in order to eliminate the need for

external pull-up or pull-down resistor.

All inputs and outputs are equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

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PIN CONNECTION

T&R

74VCXH16244TTR

February 2003

1/11

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