74ACT161PC datasheet(6/11 Pages) FAIRCHILD

部品番号	74ACT161PC

部品情報	Synchronous Presettable Binary Counter

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6

AC Operating Requirements for AC

Note 8: Voltage Range 3.3 is 3.3V

± 0.3V

Voltage Range 5.0 is 5.0V

± 0.5V

AC Electrical Characteristics for ACT

Note 9: Voltage Range 5.0 is 5.0V

± 0.5V

VCC

TA = +25°CTA = −40°C to +85°C

Symbol

Parameter

(V)

CL = 50 pF

Units

(Note 8)

Typ

Guaranteed Minimum

tS

Setup Time, HIGH or LOW

3.3

6.0

13.5

16

ns

Pn to CP

5.0

3.5

8.5

10.5

tH

Hold Time, HIGH or LOW

3.3

−7.0

−1

−0.5

ns

Pn to CP

5.0

−4.0

0

tS

Setup Time, HIGH or LOW

3.3

6.5

11.5

14

ns

PE to CP

5.0

4.0

7.5

8.5

tH

Hold Time, HIGH or LOW

3.3

−6.0

0

ns

PE to CP

5.0

−3.5

0.5

1

tS

Setup Time, HIGH or LOW

3.3

3.0

6.0

7

ns

CEP or CET to CP

5.0

2.0

4.5

5

tH

Hold Time, HIGH or LOW

3.3

−3.5

0

ns

CEP or CET to CP

5.0

−20

0.5

tW

Clock Pulse Width

3.3

2.0

3.5

4

ns

(Load) HIGH or LOW

5.0

2.0

2.5

3

tW

Clock Pulse Width

3.3

2.0

4.0

4.5

ns

(Count) HIGH or LOW

5.0

2.0

3.0

3.5

tW

MR Pulse Width,

3.3

3.0

5.5

7.5

ns

LOW

5.0

2.5

4.5

6.0

tREC

Recovery Time

−2

−0.5

0

ns

MR to CP

−10

0.5

VCC

TA = +25°CTA = −40°C to +85°C

Symbol

Parameter

(V)

CL = 50 pF

Units

(Note 9)

Min

Typ

Max

Min

Max

fMAX

Maximum Count

5.0

115

125

100

MHz

Frequency

tPLH

Propagation Delay CP to Qn

5.0

1.5

5.5

9.5

1.5

10.5

ns

(PE Input HIGH or LOW)

tPHL

Propagation Delay CP to Qn

5.0

1.5

6.0

10.5

1.5

11.5

ns

(PE Input HIGH or LOW)

tPLH

Propagation Delay

5.0

2.0

7.0

11.0

1.5

12.5

ns

CP to TC

tPHL

Propagation Delay

5.0

1.5

8.0

12.5

1.5

13.5

ns

CP to TC

tPLH

Propagation Delay

5.0

1.5

5.5

8.5

1.5

10.0

ns

CET to TC

tPHL

Propagation Delay

5.0

1.5

6.5

9.5

1.5

10.5

ns

CET to TC

tPHL

Propagation Delay

5.0

1.5

6.0

10.0

1.5

11.0

ns

MR to Qn

tPHL

Propagation Delay

5.0

2.5

8.0

13.5

2.0

14.5

ns

MR to TC

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