U74AHC157L-P16-R datasheet(4/6 Pages) UTC

4 / 6 page

U74AHC157

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R502-626.A

SWITCHING CHARACTERISTICS

VCC = 3.3V ± 0.3V, TA =25°C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

CL=15pF, RL=1kΩ

6.2

9.7

tPLH

CL=50pF, RL=1kΩ

8.7 13.2

CL=15pF, RL=1kΩ

6.2

9.7

Propagation delay from input A or B to output Y, tpd

tPHL

CL=50pF, RL=1kΩ

8.7 13.2

CL=15pF, RL=1kΩ

8.4 13.2

tPLH

CL=50pF, RL=1kΩ

10.9 16.7

CL=15pF, RL=1kΩ

8.4 13.2

Propagation delay from input A/ B to output Y, tpd

tPHL

CL=50pF, RL=1kΩ

10.9 16.7

CL=15pF, RL=1kΩ

8.7 13.6

tPLH

CL=50pF, RL=1kΩ

11.2 17.1

CL=15pF, RL=1kΩ

8.7 13.6

Propagation delay from input G to output Y, tpd

tPHL

CL=50pF, RL=1kΩ

11.2 17.1

VCC = 5V ± 0.5V, TA =25°C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

CL=15pF, RL=1kΩ

4.1

6.4

tPLH

CL=50pF, RL=1kΩ

5.6

8.4

CL=15pF, RL=1kΩ

4.1

6.4

Propagation delay from input A or B to output Y, tpd

tPHL

CL=50pF, RL=1kΩ

5.6

8.4

CL=15pF, RL=1kΩ

5.3

8.1

tPLH

CL=50pF, RL=1kΩ

6.8 10.1

CL=15pF, RL=1kΩ

5.3

8.1

Propagation delay from input A/ B to output Y, tpd

tPHL

CL=50pF, RL=1kΩ

6.8 10.1

CL=15pF, RL=1kΩ

5.6

8.6

tPLH

CL=50pF, RL=1kΩ

7.1 10.6

CL=15pF, RL=1kΩ

5.6

8.6

Propagation delay from input G to output Y, tpd

tPHL

CL=50pF, RL=1kΩ

7.1 10.6

OPERATING CHARACTERISTICS (T

A =25°C)

PARAMETER

SYMBOL

TEST CONDITIONS

RATINGS

UNIT

Power dissipation capacitance

CPD

VCC = 5V, f=1MHz, No load

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