RF ≅ 2.2 MΩ

CL ≅ 16 pF

C1 ≅ 32 pF

C2 ≅ 32 pF

X2

X1

CLOAD

RLOAD

a) Logic Diagram View

Rs ≅ 1 kΩ

Y

SN74LVC1GU04

Portion

SN74LVC1G04

Portion

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

SN74LVC1GX04

SCES581D – JULY 2004 – REVISED OCTOBER 2015

SN74LVC1GX04 Crystal Oscillator Driver

1 Features

3 Description

The SN74LVC1GX04 device is designed for 1.65-V to

1

•

Available in Texas Instruments NanoStar™ and

5.5-V VCC operation. This device incorporates the

NanoFree™ Packages

SN74LVC1GU04 (inverter with unbuffered output)

•

Supports 5-V VCC Operation

and the SN74LVC1G04 (inverter) functions into a

•

Inputs Accept Voltages to 5.5 V

single device. The LVC1GX04 is optimized for use in

crystal oscillator applications.

•

One Unbuffered Inverter (SN74LVC1GU04) and

One Buffered Inverter (SN74LVC1G04)

X1 and X2 can be connected to a crystal or resonator

in oscillator applications. The device provides an

•

Suitable for Commonly Used Clock Frequencies:

additional buffered inverter (Y) for signal conditioning

–

15 kHz, 3.58 MHz, 4.43 MHz, 13 MHz,

(see Figure 5). The additional buffered inverter

25 MHz, 26 MHz, 27 MHz, 28 MHz

improves the signal quality of the crystal oscillator

•

Maximum tpd of 2.4 ns at 3.3 V

output by making it rail to rail.

•

Low Power Consumption, 10-

μA Maximum ICC

NanoStar and NanoFree package technology is a

•

±24-mA Output Drive at 3.3 V

major breakthrough in IC packaging concepts, using

the die as the package.

•

Ioff Supports Partial-Power-Down Mode Operation

•

Latch-Up Performance Exceeds 100 mA Per

This device is fully specified for partial-power-down

JESD 78, Class II

applications using Ioff (Y output only). The Ioff circuitry

disables the outputs, preventing damaging current

•

ESD Protection Exceeds JESD 22

backflow through the device when it is powered

–

2000-V Human Body Model (A114-A)

down.

–

1000-V Charged-Device Model (C101)

Device Information(1)

2 Applications

PART NUMBER

PACKAGE

BODY SIZE (NOM)

SN74LVC1GX04DB

•

Crystal Oscillators

SOT-23 (6)

2.90 mm × 1.60 mm

V

•

Clock Generation

SN74LVC1GX04DC

SC70 (6)

2.00 mm × 1.25 mm

K

SN74LVC1GX04DR

SOT (6)

1.60 mm × 1.20 mm

L

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Functional Block Diagram

SN74LVC1GX04 includes both dotted portions

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION

DATA.