74LVX540 查看數據表（PDF） - ON Semiconductor

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74LVX540

Octal Bus Buffer Inverting

ON Semiconductor 

MC74LVX540

NOISE CHARACTERISTICS (Input tr = tf = 3.0 ns, CL = 50 pF, VCC = 3.3 V)

Symbol

Parameter

VOLP Quiet Output Maximum Dynamic VOL

VOLV Quiet Output Minimum Dynamic VOL

VIHD Minimum High Level Dynamic Input Voltage

VILD Maximum Low Level Dynamic Input Voltage

TA = 25°C

Typ

Max

Unit

0.5

0.8

V

−0.5

−0.8

V

2.0

V

0.8

V

A

50%

tPHL

Y

50% VCC

Figure 4.

SWITCHING WAVEFORMS

VCC

OE1 or OE2

GND

tPLH

Y

50%

tPZL tPLZ

50% VCC

tPZH tPHZ

VCC

50%

GND

HIGH

IMPEDANCE

VOL +0.3 V

VOH −0.3 V

Y

50% VCC

HIGH

IMPEDANCE

Figure 5.

DEVICE

UNDER

TEST

TEST

POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 6.

TEST CIRCUITS

DEVICE

UNDER

TEST

TEST

POINT

OUTPUT

1 kW

CL*

CONNECT TO VCC WHEN

TESTING tPLZ AND tPZL.

CONNECT TO GND WHEN

TESTING tPHZ AND tPZH.

*Includes all probe and jig capacitance

Figure 7.

INPUT

Figure 8. INPUT EQUIVALENT CIRCUIT

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