74AC109SC datasheet(6/12 Pages) FAIRCHILD

Part #	74AC109SC

Description	Dual JK Positive Edge-Triggered Flip-Flop

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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74AC109, 74ACT109 Rev. 1.5

6

AC Electrical Characteristics for AC

Note:

6. Voltage range 3.3 is 3.3V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V.

AC Operating Requirements for AC

Note:

7. Voltage range 3.3 is 3.3V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V

Symbol

Parameter

VCC (V)

(6)

TA = +25°C,

CL = 50pF

TA = –40°C to +85°C,

CL = 50pF

Units

Min.

Typ.

Max.

Min.

Max.

fMAX

Maximum Clock Frequency

3.3

125

150

100

MHz

5.0

150

175

125

tPLH

Propagation Delay,

CPn to Qn or Qn

3.3

4.0

8.0

13.5

3.5

16.0

ns

5.0

2.5

6.0

10.0

2.0

10.5

tPHL

Propagation Delay,

CPn to Qn or Qn

3.3

3.0

8.0

14.0

3.0

14.5

ns

5.0

2.0

6.0

10.0

1.5

10.5

tPLH

Propagation Delay,

CDn or SDn to Qn or Qn

3.3

3.0

8.0

12.0

2.5

13.0

ns

5.0

2.5

6.0

9.0

2.0

10.0

tPHL

Propagation Delay,

CDn or SDn to Qn or Qn

3.3

3.0

10.0

12.0

3.0

13.5

ns

5.0

2.0

7.5

9.5

2.0

10.5

Symbol

Parameter

VCC (V)

(7)

TA = +25°C,

CL = 50pF

TA = –40°C to +85°C,

CL = 50 pF

Units

Typ.

Guaranteed Minimum

tS

Setup Time, HIGH or LOW,

Jn or Kn to CPn

3.3

3.5

6.5

7.5

ns

5.0

2.0

4.5

5.0

tH

Hold Time, HIGH or LOW,

Jn or Kn to CPn

3.3

–1.5

0

ns

5.0

–0.5

0.5

tW

Pulse Width, CDn or SDn

3.3

2.0

7.0

7.5

ns

5.0

2.0

4.5

5.0

tREC

Recovery Time,

CDn or SDn to CPn

3.3

–2.5

0

ns

5.0

–1.5

0

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