LVC540 datasheet(6/10 Pages) DIODES

6 / 10 page

74LVC540A

Document number: DS35890 Rev. 1 - 2

6 of 10

www.diodes.com

July 2014

74LVC540A

Parameter Measurement Information

VCC

Inputs

VLOAD

V∆

tr/tf

1.8V ± 0.15V

VCC

≤2ns

VCC/2

2 x VCC

30pF

1KΩ

0.15V

2.5V ± 0.2V

VCC

≤2ns

VCC/2

2 x VCC

30pF

500Ω

0.15V

2.7V

≤2.5ns

1.5V

50pF

500Ω

0.3V

3.3V ± 0.3V

2.7V

≤2.5ns

1.5V

50pF

500Ω

0.3V

Voltage Waveform Enable and Disable Times

Low and High Level Enabling

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 ≤ 10 MHz.

C. Inputs are measured separately one transition per measurement.

D. tPLZ and tPHZ are the same as tdis.

E. tPZL and tPZH are the same as tEN0

F. tPLH and tPHL are the same as tPD.

Figure 1 Load Circuit and Voltage Waveforms

TEST

tPLH/tPHL

Open

tPLZ/tPZL

Vload

tPHZ/tPZH

GND

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