54VCXH162373 datasheet(1/17 Pages) STMICROELECTRONICS

Part #	54VCXH162373

Description	Rad hard low voltage CMOS 16-bit D-type latch (3-state) with 3.6V tolerant inputs and outputs

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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July 2007

Rev 4

1/17

17

54VCXH162373

Rad hard low voltage CMOS 16-bit D-type latch (3-state)

with 3.6V tolerant inputs and outputs

Features

■ 1.65 to 3.6V inputs and outputs

■ High speed:

–tPD = 3.3ns (Max) at VCC = 3.0 to 3.6V

–tPD = 4.5ns (Max) at VCC = 2.3 to 2.7V

■ Symmetrical impedance outputs:

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

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

■ Power down protection on inputs and outputs

■ 26Ω serie resistors in outputs

■ Operating voltage range:

–VCC(Opr) = 1.65V to 3.6V

■ Pin and function compatible with 54 SERIES

HR162373

■ Bus hold provided on both sides

■ 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

■ Device fully compliant with

DSCC SMD 5962-05211

Description

The 54VCXH162373 is a low voltage CMOS 16

bit d-type latch with 3 state outputs non inverting

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.

These 16 bit D-TYPE latches are bite controlled

by two latch enable inputs (nLE) and two output

enable inputs (OE).

While the nLE input is held at a high level, the nQ

outputs will follow the data input precisely.

When the nLE is taken low, the nQ outputs will be

in a normal logic state (high or low logic level) and

while high level the outputs will be in a high

impedance state. 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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54VCXH162373 Datasheet(PDF) 1 Page - STMicroelectronics

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