© Semiconductor Components Industries, LLC, 2007

February, 2007 − Rev. 12

1

Publication Order Number:

MC74VHC1GT14/D

MC74VHC1GT14

Schmitt−Trigger Inverter /

CMOS Logic Level Shifter

LSTTL−Compatible Inputs

The MC74VHC1GT14 is a single gate CMOS Schmitt−trigger

inverter fabricated with silicon gate CMOS technology. It achieves

high speed operation similar to equivalent Bipolar Schottky TTL

while maintaining CMOS low power dissipation.

The internal circuit is composed of three stages, including a buffer

output which provides high noise immunity and stable output.

The device input is compatible with TTL−type input thresholds and

the output has a full 5 V CMOS level output swing. The input protection

circuitry on this device allows overvoltage tolerance on the input,

allowing the device to be used as a logic−level translator from 3 V

CMOS logic to 5 V CMOS Logic or from 1.8 V CMOS logic to 3 V

CMOS Logic while operating at the high−voltage power supply.

The MC74VHC1GT14 input structure provides protection when

voltages up to 7 V are applied, regardless of the supply voltage. This

allows the MC74VHC1GT14 to be used to interface 5 V circuits to 3 V

These input and output structures help prevent device destruction

caused by supply voltage − input/output voltage mismatch, battery

backup, hot insertion, etc. The MC74VHC1GT14 can be used to

enhance noise immunity or to square up slowly changing waveforms.

Features

NC

IN A

OUT Y

GND

IN A

OUT Y

Figure 2. Logic Symbol

1

2

3

4

5

1

PIN ASSIGNMENT

1

2

3

GND

NC

IN A

4

OUT Y

FUNCTION TABLE

MARKING

DIAGRAMS

See detailed ordering and shipping information in the package

dimensions section on page 4 of this data sheet.

ORDERING INFORMATION

L

H

A Input

Y Output

H

L

http://onsemi.com

SC−88A/SC70−5/SOT−353

DF SUFFIX

CASE 419A

TSOP−5/SOT23−5/SC59−5

DT SUFFIX

CASE 483

1

5

1

5

VC M

G

G

VC

= Device Code

M

= Date Code*

G

= Pb−Free Package

(Note: Microdot may be in either location)

*Date Code orientation and/or position may vary

depending upon manufacturing location.

1

5

VC M

G

G