M54HC173 datasheet(6/12 Pages) STMICROELECTRONICS

부품명	M54HC173

상세설명	QUAD D-TYPE REGISTER 3-STATE

PDF	12 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)

Symbol

Parameter

Test Conditions

Value

Unit

VCC

(V)

(pF)

TA =25

54HC and 74HC

-40 to 85

74HC

-55 to 125

54HC

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

tREM

Minimum

Removal Time

2.0

555

4.5

6.0

CIN

Input Capacitance

CPD (*)

Power Dissipation

Capacitance

(*) 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 operting current can be obtained by the following equation. ICC(opr) = CPD

•VCC •fIN +ICC/4 (per circuit)

SWITCHING CHARACTERISTICS TEST WAVEFORM

EACH FLIP-FLOP SHALL BE SET HIGH WHEN

SWITCH IS CONNECTED TO GND LINE AND

IT SHALL BE SET LOW WHEN SWITCH IS

M54/M74HC173

6/12

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