U74LVC2G158

Advance

CMOS IC

UNISONIC TECHNOLOGIES CO., LTD

5 of 5

www.unisonic.com.tw

QW-R502-B97.a



TEST CIRCUIT AND WAVEFORMS (Cont.)

From Output

CL

TEST CIRCUIT

RL

VM

VM

VM

VM

VIN

0V

VOH

VOL

PROPAGATION DELAY TIMES

Input

Output

tPLH

tPHL

tPLH

tPHL

VOH

VOL

Output

VM

VM

Notes: 1. CL includes probe and jig capacitance.

2. All input pulses are supplied by generators having the following characteristics:

PRR ≤10MHz, ZO = 50Ω.

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all UTC products described or contained herein .

UTC products are not designed for use in life support appliances, devices or systems where malfunction

of these products can be reasonably expected to result in personal injury. Reproduction in whole or in

part is prohibited without the prior written consent of the copyright owner. UTC reserves the right to

make changes to information published in this document, including without limitation specifications and

product descriptions, at any time and without notice. This document supersedes and replaces all

information supplied prior to the publication hereof.

VCC

Inputs

VM

CL

RL

VIN

tR, tF

VCC =1.65V to 1.95V

VCC

≤2ns

VCC/2

30pF

1KΩ

VCC =2.3V to 2.7V

VCC

≤2ns

VCC/2

30pF

500Ω

VCC =3.0V to 3.6V

3.0V

≤2.5ns

1.5V

50pF

500Ω

VCC =4.5V to 5.5V

VCC

≤2.5ns

VCC/2

50pF

500Ω