74LVC374A(2015) Ver la hoja de datos (PDF) - ON Semiconductor

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Fabricante

74LVC374A
(Rev.:2015)

Low-Voltage CMOS Octal D-Type Flip-Flop

ON Semiconductor 

74LVC374A

DYNAMIC SWITCHING CHARACTERISTICS

Symbol

Characteristic

Condition

TA = +25°C

Min

Typ

Max Unit

VOLP Dynamic LOW Peak Voltage

VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V

0.8

V

(Note 9)

VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V

0.6

VOLV Dynamic LOW Valley Voltage

VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V

−0.8

V

(Note 9)

VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V

−0.6

9. Number of outputs defined as “n”. Measured with “n−1” outputs switching from HIGH−to−LOW or LOW−to−HIGH. The remaining output is

measured in the LOW state.

CAPACITIVE CHARACTERISTICS

Symbol

Parameter

Condition

Typical

Unit

CIN

Input Capacitance

VCC = 3.3 V, VI = 0 V or VCC

5.0

pF

COUT Output Capacitance

VCC = 3.3 V, VI = 0 V or VCC

6.0

pF

CPD Power Dissipation Capacitance

(Note 10)

Per flip−flop; VI = GND or VCC

pF

VCC = 1.65 V to 1.95 V

11.6

VCC = 2.3 V to 2.7 V

13.6

VCC = 3.0 V to 3.6 V

15.4

10. CPD is used to determine the dynamic power dissipation (PD in mW).

PD + CPD VCC 2 fi N ) SǒCL VCC 2 foǓ where:

fi = input frequency in MHz; fo = output frequency in MHz

CL = output load capacitance in pF

VCC = supply voltage in Volts

N = number of outputs switching

∑(CL x VCC2 x fo) = sum of the outputs

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