54VCXH162244 datasheet(1/17 Pages) STMICROELECTRONICS

Part #	54VCXH162244

Description	Low voltage CMOS 16-bit bus buffer (3-state inverter) with 3.6V tolerant inputs and outputs

PDF	17 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 17 page

July 2007

Rev 5

1/17

17

54VCXH162244

Low voltage CMOS 16-bit bus buffer (3-state inverter)

with 3.6V tolerant inputs and outputs

Features

■ 1.65 to 3.6V inputs and outputs

■ High speed:

–tPD = 3.4ns at VCC = 3.0 to 3.6V

–tPD = 3.8ns at VCC = 2.3 to 2.7V

■ Power down protection on inputs and outputs

■ Symmetrical output impedance:

–|IOH| = IOL = 12mA (Min) at VCC = 3.0V

–|IOH| = IOL = 8mA (Min) at VCC = 2.3V

■ 26Ω serie resistors in outputs

■ Operating voltage range:

–VCC(Opr) = 1.65V to 3.6V

■ Pin and function compatible with 54 SERIES

H162244

■ Bus hold provided on data inputs

■ Cold spare function

■ Latch-up performance exceeds

300mA (JESD 17)

■ ESD performance:

– HBM > 2000V

(MIL STD 883 method 3015); MM > 200V

■ 300KRad Mil1019.6 Condition A, (RHA QML

qualification extension undergone)

■ No SEL, no SEU under 72 Mev/cm2/mg LET

heavy ions irradiation

■ QML qualified product

■ SMD 5962-05210

Description

The 54VCXH162244 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 1.65 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.

The device circuits is including 26

Ω series

resistance in the outputs. These resistors permit

to reduce line noise in high speed applications.

All inputs and outputs are equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

Flat-48

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