Diodes 74HCT32 Manuel d'utilisateur télécharger pdf (Page 4)

74HCT32

Document number: DS35334 Rev. 3 - 2

4 of 8

www.diodes.com

January 2013

74HCT32

Switching Characteristics

Symbol Parameter

Test

Conditions

= +25°C

-40°C to +85°C -40°C to +125°C

Unit

Min Typ Max Max Max

Propagation

Delay A

to Y

Figure 1

= 50pF

4.5V — 11 24 30 36 ns

Transition Time

Figure 1

= 50pF

4.5V — 7 15 19 22 ns

Operating Characteristics (@T

= +25°C, unless otherwise specified.)

Parameter Test Conditions

= 5.5 V

Unit

Typ

Power Dissipation

Capacitance per Gate

f = 1 MHz 28 pF

Input Capacitance

= V

– or GND

4 pF

Parameter Measurement Information

Vcc

Inputs

4.5V 3.0V 3ns 1.5V

Voltage Waveform

Pulse Duration

Voltage Waveform

Propagation Delay Times

Inverting and Non Inverting Outputs

Notes: A. Includes test lead and test apparatus capacitance.

B. All pulses are supplied at pulse repetition rate ≤ 1 MHz.

C. Inputs are measured separately one transition per measurement.

D. t

PLH

and t

PHL

are the same as t

Figure 1 Load Circuit and Voltage Waveforms

1 2 3 4 5 6 7 8

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