HCF4018BEY datasheet(6/11 Pages) STMICROELECTRONICS

Part #	HCF4018BEY

Description	PRESETTABLE DIVIDE-BY-N COUNTER

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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HCF4018B

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DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25°C, CL = 50pF, RL = 200KΩ, tr = tf = 20 ns)

(*) Typical temperature coefficient for all VDD value is 0.3 %/°C.

(1) At PRESET ENABLE or JAM inputs

Symbol

Parameter

Test Condition

Value (*)

Unit

VDD (V)

Min.

Typ.

Max.

tPLH tPHL Propagation Delay Time

5

200

400

ns

10

90

180

15

65

130

tTHL tTLH Transition Time

5

100

200

ns

10

50

100

15

40

80

fCL

Maximum Clock Input

Frequency

53

6

MHz

10

7

14

15

8.5

17

tW

Minimum Clock Pulse

Width

5

160

80

ns

10

70

35

15

50

25

tr , tf

Clock Input Rise or Fall

Time

5

unlimited

µs

10

15

tsetup

Data Setup Time Minimum

Clock Inhibit

540

20

ns

10

12

6

15

6

3

tH

Data Input Hold-Time

5

140

70

ns

10

80

40

15

60

30

PRESET(1) or RESET OPERATION

tPLH, tPHL Propagation Delay Time

(reset or reset to Q)

5

275

550

ns

10

125

250

15

90

180

tW

Preset or Reset Pulse

Width

5

160

80

ns

10

70

35

15

50

25

tREM

Preset or Reset Removal

Time

580

40

ns

10

30

15

20

10

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