74192 datasheet(9/15 Pages) STMICROELECTRONICS

部件名	74192

功能描述	SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER

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制造商	STMICROELECTRONICS [STMicroelectronics]

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9 / 15 page

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.

tW(H)

tW(L)

Minimum Pulse

Width (COUNT

UP/DOWN)

2.0

34

100

125

150

ns

4.5

9

202530

6.0

7

172126

tW(L)

Minimum Pulse

Width

(LOAD)

2.0

34

75

95

110

ns

4.5

9

151922

6.0

7

131619

tW(H)

Minimum Pulse

Width

(CLEAR)

2.0

40

100

125

150

ns

4.5

12

20

25

30

6.0

10

17

21

26

ts

Minimum Set-up

Time

(DATA - LOAD)

2.0

30

75

95

110

ns

4.5

9

151922

6.0

7

131619

th

Minimum Hold

Time

2.0

0

ns

4.5

0

6.0

0

tREM

Minimum

Removal Time

(LOAD)

2.0

6

506575

ns

4.5

2

101315

6.0

2

9

11

13

tREM

Minimum

Removal Time

(CLEAR)

2.0

14

50

65

75

ns

4.5

4

101315

6.0

3

9

11

13

CIN

Input Capacitance

5

10

pF

CPD (*)

Power Dissipation

Capacitance

for HC192

for HC193

68

67

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

M54/M74HC192/193

9/15

类似零件编号 - 74192

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