Diodes 74AHCT1G14 Manuel d'utilisateur télécharger pdf (Page 4)

74AHCT1G14

SINGLE SCHMITT-TRIGGER INVERETER

74AHCT1G14

Document number: DS35183 Rev. 1 - 2

4 of 8

www.diodes.com

May 2011

NEW PRODUCT

Electrical Characteristics

Symbol Parameter Test Conditions V

=25.

-40ºC to 85ºC -40ºC to 125ºC

Unit

Min Typ. Max Min Max Min Max

T+

Positive-going

input threshold

voltage

4.5V 1.9 1.9 1.9

5.5V 2.1 2.1 2.1

T-

Negative-going

input threshold

voltage

4.5V 0.5 0.5 0.5

5.5V 0.6 0.6 0.6

ΔV

Hysteresis

T+

T-

)

4.5V 0.4 1.4 0.4 1.4 .35 1.4

5.5V 0.4 1.6 0.4 1.6 .35 1.5

High Level

Output Voltage

= -50μA

4.5V 4.4 4.5 4.4 4.4

= -8mA

4.5V 3.94 3.80 3.70

High-level Input

Voltage

= 50μA

4.5V 0.1 0.1 0.1

= 8mA

4.5V 0.36 0.44 0.55

Input Current

= 5.5 V or GND

0 to 5.5V ± 0.1 ± 1 ± 2 μA

Supply Current

= 5.5V or GND

5.5V 2 20 40 μA

ΔI

Additional

Supply Current

One input at 3.4

V Other inputs at

or GND

5.5V 1.35 1.5 1.5 mA

Input

Capacitance

= V

or GND

5.5V 3 10 10 10 pF

Thermal

Resistance

Junction-to-

Ambient

SOT25 (Note 4) 195

C/W

SOT353 (Note 4) 430

C/W

Thermal

Resistance

Junction-to-

Case

SOT25 (Note 4) 58

C/W

SOT353 (Note 4) 155

C/W

Note: 4. Test conditions for SOT25, and SOT353: Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout

Switching Characteristics

= 5V ± 0.5V (see Figure 1)

Parameter

From

(Input)

(OUTPUT)

25ºC -40ºC to 85ºC -40ºC to 125ºC

Unit

Min Typ. Max Min Max Min Max

A Y

=15pF

0.6 4.0 7.0

0.6 8.0

0.6 9.0

=50pF

0.6 5.4 8.0

0.6 9.0

0.6 10.0

1 2 3 4 5 6 7 8

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