Diodes 74AHC595 Manuel d'utilisateur télécharger pdf (Page 6)

74AHC595

Document number: DS35486 Rev. 3 - 2

6 of 10

www.diodes.com

June 2013

74AHC595

Parameter Measurement Information

(see Note A)

From Output

Under Test

LOAD

TEST Vload

PLH

PHL

Open

PLZ

PZL

PHZ

PZH

GND

Vcc

Inputs

3.3V -3.6V

3ns

15pF, 50pF

4.5V to 5.5V

3ns

15pF, 50pF

Voltage Waveform

Pulse Duration and Recovery Time

Voltage Waveform

Set-up and Hold Times

Voltage Waveform

Propagation Delay Times

Inverting and Non Inverting Outputs

Voltage Waveform

Enable and Disable Times

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

B. Output Waveform 1 depends on the internal Q

node being low and behaves in this manner based on OE pin.

Output Waveform 2 depends on the internal Q

node being high and behaves in this manner based on OE pin.

C. All pulses are supplied at pulse repetition rate ≤ 10 MHz

D. Inputs are measured separately one transition per measurement

E. t

PLH

and t

PHL

are the same as t

PD.

Figure 2. Load Circuit and Voltage Waveforms

1 2 3 4 5 6 7 8 9 10

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Diodes 74AHC595 Manuel d'utilisateur Page 6

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