74HC4017DB datasheet(11/23 Pages) NXP

部品番号	74HC4017DB

部品情報	Johnson decade counter with 10 decoded outputs

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74HC_HCT4017_3

Product data sheet

Rev. 03 — 8 January 2008

11 of 23

NXP Semiconductors

74HC4017; 74HCT4017

Johnson decade counter with 10 decoded outputs

[1]

tpd is the same as tPHL and tPLH.

[2]

tt is the same as tTHL and tTLH.

[3]

CPD is used to determine the dynamic power dissipation (PD in µW):

PD =CPD × VCC2 × fi × N+ ∑(CL × VCC2 × fo) where:

fi = input frequency in MHz;

fo = output frequency in MHz;

CL = output load capacitance in pF;

VCC = supply voltage in V;

N = number of inputs switching;

∑(C

L × VCC

2

× f

o) = sum of outputs.

tt

transition time

see Figure 10

[2]

VCC = 4.5 V

-

7

15

-

19

-

22

ns

tW

pulse width

CP0 and CP1 (HIGH or

LOW); see Figure 9

VCC = 4.5 V

16

7

-

20

-

24

-

ns

MR (HIGH); see Figure 9

VCC = 4.5 V

16

4

-

20

-

24

-

ns

tsu

set-up time

CP1 to CP0; CP0 to CP1;

see Figure 8

VCC = 4.5 V

10

−3

-

13

-

15

-

ns

th

hold time

CP1 to CP0; CP0 to CP1;

see Figure 8

VCC = 4.5 V

10

6

-

13

-

15

-

ns

trec

recovery time

MR to CP0 and

MR to CP1; see Figure 9

VCC = 4.5 V

5

−5-

5

-

5

-

ns

fmax

maximum

frequency

CP0 or CP1; see Figure 9

VCC = 4.5 V

30

61

-

24

-

20

-

MHz

VCC = 5.0 V;

CL =15pF

-

67

-

MHz

CPD

power

dissipation

capacitance

VI = GND to VCC − 1.5 V;

VCC =5V; fi = 1 MHz

[3]

-36

-

pF

Table 7.

Dynamic characteristics …continued

GND = 0 V; tr = tf = 6 ns; CL = 50 pF; see Figure 11.

Symbol Parameter

Conditions

25

°C

−40 °C to +85 °C −40 °C to +125 °C Unit

Min

Typ

Max

Min

Max

Min

Max

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同様の説明 - 74HC4017DB

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