74LVQ574MTR datasheet(5/13 Pages) STMICROELECTRONICS

部件名	74LVQ574MTR

功能描述	OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUTS NON INVERTING

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制造商	STMICROELECTRONICS [STMicroelectronics]

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74LVQ574

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Table 9: Capacitive Characteristics

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per Flip

Flop)

Figure 4: Test Circuit

CL = 50pF or equivalent (includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

CIN

Input Capacitance

3.3

4

pF

COUT

Output

Capacitance

3.3

7

pF

CPD

Power Dissipation

Capacitance

(note 1)

3.3

fIN = 10MHz

15

pF

TEST

SWITCH

tPLH, tPHL

Open

tPZL, tPLZ

2VCC

tPZH, tPHZ

Open

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制造商	部件名	数据表	功能描述
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