MC74LVX541DW datasheet(4/8 Pages) ONSEMI

Teilenummer	MC74LVX541DW

Bauteilbeschribung	Octal Bus Buffer

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MC74LVX541

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AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns)

TA = 25°C

TA = − 40 to 85°C

Symbol

Parameter

Test Conditions

Min

Typ

Max

Min

Max

Unit

tPLH,

tPHL

Maximum Propagation Delay,

A to Y

VCC = 2.7 V

CL = 15 pF

CL = 50 pF

5.0

7.5

7.0

10.5

1.0

8.5

12.0

ns

VCC = 3.3 ± 0.3 V

CL = 15 pF

CL = 50 pF

3.5

5.0

7.0

1.0

6.0

8.0

tPZL,

tPZH

Output Enable TIme,

OE to Y

VCC = 2.7 V

CL = 15 pF

RL = 1 kW

CL = 50 pF

6.8

9.3

10.5

14.0

1.0

12.5

16.0

ns

VCC = 3.3 ± 0.3 V

CL = 15 pF

RL = 1 kW

CL = 50 pF

4.7

6.2

7.2

9.2

1.0

8.5

10.5

tPLZ,

tPHZ

Output Disable Time,

OE to Y

VCC = 2.7 V

CL = 50 pF

RL = 1 kW

11.2

15.4

1.0

17.5

ns

VCC = 3.3 ± 0.3 V

CL = 50 pF

RL = 1 kW

6.0

8.8

1.0

10.0

tOSLH,

tOSHL

Output to Output Skew

VCC = 2.7 V

CL = 50 pF

(Note 1)

1.5

ns

VCC = 3.3 ± 0.3 V

CL = 50 pF

(Note 1)

1.0

ns

Cin

Maximum Input Capacitance

4.0

10

pF

Cout

Maximum Three−State Output

Capacitance

(Output in High Impedance

State)

6.0

pF

Typical @ 25

°C, VCC = 5.0V

CPD

Power Dissipation Capacitance (Note 2)

18

pF

1. Parameter guaranteed by design. tOSLH = |tPLHm − tPLHn|, tOSHL = |tPHLm − tPHLn|.

2. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.

Average operating current can be obtained by the equation: ICC(OPR) = CPD VCC fin + ICC / 8 (per bit). CPD is used to determine the no−load

dynamic power consumption; PD = CPD VCC2 fin + ICC VCC.

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

TA = 25°C

Symbol

Parameter

Typ

Max

Unit

VOLP

Quiet Output Maximum Dynamic VOL

0.5

0.8

V

VOLV

Quiet Output Minimum Dynamic VOL

−0.5

−0.8

V

VIHD

Minimum High Level Dynamic Input Voltage

2.0

V

VILD

Maximum Low Level Dynamic Input Voltage

0.8

V

VCC

GND

A

Y

tPLH

OE1 or OE2

50%

VCC

GND

Y

tPZL

Y

tPZH

HIGH

IMPEDANCE

VOL +0.3 V

VOH −0.3 V

HIGH

IMPEDANCE

tPLZ

tPHZ

50% VCC

tPHL

50%

Figure 4.

SWITCHING WAVEFORMS

50% VCC

50%

Figure 5.

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