MC74LVX32DT 查看數據表（PDF） - ON Semiconductor

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MC74LVX32DT

Quad 2-Input OR Gate With 5V–Tolerant Inputs

ON Semiconductor 

MC74LVX32

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

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ TA = 25°C

TA = – 40 to 85°C

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol

Parameter

Test Conditions

Min

Typ

Max

Min

Max Unit

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,

tPHL

Propagation Delay, Input to

Output

VCC = 2.7V

CL = 15pF

CL = 50pF

5.8

10.7

1.0

13.5 ns

8.3

14.2

1.0

17.0

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC=3.3±0.3V CL=15pF

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CL = 50pF

4.4

6.6

1.0

8.0

6.9

10.1

1.0

11.5

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tOSHL

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tOSLH

Output–to–Output Skew

(Note NO TAG)

VCC = 2.7V

VCC = 3.3 ±0.3V

CL = 50pF

CL = 50pF

1.5

1.5

ns

1.5

1.5

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ 1. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.

The specification applies to any outputs switching in the same direction, either HIGH–to–LOW (tOSHL) or LOW–to–HIGH (tOSLH); parameter

guaranteed by design.

CAPACITIVE CHARACTERISTICS

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Cin

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CPD

Parameter

Input Capacitance

Power Dissipation Capacitance (Note NO TAG)

TA = 25°C

Min

Typ

Max

4

10

14

TA = – 40 to 85°C

Min

Max Unit

10

pF

pF

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/4 (per gate). CPD is used to determine the no–load

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

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

TA = 25°C

Symbol

Characteristic

Typ

Max

Unit

VOLP Quiet Output Maximum Dynamic VOL

0.3

0.5

V

VOLV Quiet Output Minimum Dynamic VOL

–0.3

–0.5

V

VIHD Minimum High Level Dynamic Input Voltage

2.0

V

VILD Maximum Low Level Dynamic Input Voltage

0.8

V

A or B

50%

O

tPLH

50% VCC

VCC

GND

tPHL

Figure 3. Switching Waveforms

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 4. Test Circuit

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