U74AHC3G14L-P08-R datasheet(4/6 Pages) UTC

4 / 6 page

U74AHC3G14

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R502-686.A

AC CHARACTERISTICS (TA =25°C, GND = 0V, tR = tF ≤ 3.0 ns)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

Propagation Delay

from Input (nA) to Output (nY)

tPLH/tPHL

(tPD)

VCC = 3.3V, CL = 15pF

4.2

VCC = 3.3V, CL = 50pF

6.0

VCC = 3.0 to 3.6V, CL = 15pF

12.8

VCC = 3.0 to 3.6V, CL = 50pF

16.3

VCC = 5.0V, CL = 15pF

3.2

VCC = 5.0V, CL = 50pF

4.6

VCC = 4.5 to 5.5V, CL = 15pF

8.6

VCC = 4.5 to 5.5V, CL = 50pF

10.6

OPERATING CHARACTERISTICS (TA =25°C)

PARAMETER

SYMBOL

TEST CONDITIONS

TYP

UNIT

Power dissipation capacitance per gate

CPD

CL = 15 pF, f=10MHz (Note1, 2)

7.5

Notes

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

PD = CPD × VCC

2 × fI × N + Σ(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;

Σ(CL × VCC

2 × fO) = sum of the outputs.

2. The condition is VI = GND to VCC.

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