74LVC1G19 datasheet(2/14 Pages) PHILIPS

2 / 14 page

2004 Oct 18

Philips Semiconductors

Product speciﬁcation

1-of-2 decoder/demultiplexer

74LVC1G19

FEATURES

• Wide supply voltage range from 1.65 V to 5.5 V

• 5 V tolerant inputs for interfacing with 5 V logic

• High noise immunity

• Complies with JEDEC standard:

– JESD8-7 (1.65 V to 1.95 V)

– JESD8-5 (2.3 V to 2.7 V)

– JESD8B/JESD36 (2.7 V to 3.6 V).

• ESD protection:

– HBM EIA/JESD22-A114-B exceeds 2000 V

– MM EIA/JESD22-A115-A exceeds 200 V.

•±24 mA output drive (VCC = 3.0 V)

• CMOS low power consumption

• Latch-up performance exceeds 250 mA

• Direct interface with TTL levels

• Multiple package options

• Specified from −40 °C to +85 °C and

−40 °C to +125 °C.

DESCRIPTION

The 74LVC1G19 is a high-performance, low-power,

low-voltage, Si-gate CMOS device, superior to most

advanced CMOS compatible TTL families.

Input can be driven from either 3.3 V or 5 V devices.

These features allow the use of these devices in a mixed

3.3 V and 5 V environment.

This device is fully specified for partial power-down

applications using Ioff. The Ioff circuitry disables the output,

preventing the damaging backflow current through the

device when it is powered down.

The 74LVC1G19 is a 1-of-2 decoder/demultiplexer with a

common output enable. The 74LVC1G19 buffers the data

on input pin E and passes it either to output pin 1Y or 2Y,

depending on whether the state of the select input pin A is

LOW or HIGH, respectively.

QUICK REFERENCE DATA

GND = 0 V; Tamb =25 °C.

Notes

1. CPD is used to determine the dynamic power dissipation (PD in µW).

PD =CPD × VCC2 × fi × N+ ∑(CL × VCC2 × fo) where:

fi = input frequency in MHz;

fo = output frequency in MHz;

CL = output load capacitance in pF;

VCC = supply voltage in Volts;

N = number of inputs switching;

∑(CL × VCC2 × fo) = sum of outputs.

2. The condition is VI = GND to VCC.

SYMBOL

PARAMETER

CONDITIONS

TYPICAL

UNIT

tPHL/tPLH

propagation delay input A to output nY

VCC = 1.8 V; CL = 30 pF; RL =1kΩ

4.0

VCC = 2.5 V; CL = 30 pF; RL = 500 Ω

2.5

VCC = 2.7 V; CL = 50 pF; RL = 500 Ω

2.8

VCC = 3.3 V; CL = 50 pF; RL = 500 Ω

2.5

VCC = 5.0 V; CL = 50 pF; RL = 500 Ω

1.8

input capacitance

2.5

CPD

power dissipation capacitance

VCC = 3.3 V; notes 1 and 2

18.9

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