74LV154 データシートの表示（PDF） - Philips Electronics

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74LV154

4-to-16 line decoder/demultiplexer

Philips Electronics 

Philips Semiconductors

4-to-16 line decoder/demultiplexer

TEST CIRCUIT

VCC

PULSE

GENERATOR

VI

RT

D.U.T.

VO

50pF

CL

RL = 1k

Test Circuit for switching times

DEFINITIONS

RL = Load resistor

CL = Load capacitance includes jig and probe capacitance

RT = Termination resistance should be equal to ZOUT of pulse generators.

TEST

tPLH/tPHL

VCC

< 2.7V

2.7–3.6V

VI

VCC

2.7V

SV00901

Figure 3. Load circuitry for switching times.

Product specification

74LV154

A0

Y0

A1

Y1

A2

A3

Strobe

E0

Y14

E1

Y15

SV00551

Figure 4. 1-of-16 decoder; LOW level output is selected.

A0

Y0

A1

Y1

A2

A3

Data

E0

input

Y14

E1

Y15

SV00552

Figure 5. 1-of-16 demultiplexer; logic level on selected

outputs follow the logic level on the data input.

1998 Apr 28

7

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