M74HC21M1R datasheet(4/9 Pages) STMICROELECTRONICS

Numer części	M74HC21M1R

Szczegółowy opis	DUAL 4-INPUT AND GATE

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

Symbol

Parameter

Test Conditions

Value

Unit

VCC

(V)

TA =25

oC

54HC and 74HC

-40 to 85

oC

74HC

-55 to 125

oC

54HC

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

tTLH

tTHL

Output Transition

Time

2.0

30

75

95

110

ns

4.5

8

151922

6.0

7

131619

tPLH

tPHL

Propagation

Delay Time

2.0

40

100

125

150

ns

4.5

13

20

25

30

6.0

11

17

21

26

CIN

Input Capacitance

5

10

pF

CPD (*)

Power Dissipation

Capacitance

25

pF

(*) 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 Gate)

SWITCHING CHARACTERISTICS TEST CIRCUIT

TEST CIRCUIT ICC (Opr.)

INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST.

M54/M74HC21

4/9

Podobny numer części - M74HC21M1R

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STMicroelectronics	M74HC21M1R	193Kb / 8P	DUAL 4-INPUT AND GATE

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