74AC377 datasheet(7/13 Pages) FAIRCHILD

Il numero della parte	74AC377

Spiegazioni elettronici	Octal D-Type Flip-Flop with Clock Enable

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Produttore elettronici	FAIRCHILD [Fairchild Semiconductor]

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74AC377, 74ACT377 Rev. 1.6.1

7

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 3.0V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V

Symbol

Parameter

VCC (V)

(6)

TA = +25°C

TA = –40°C to +85°C

Units

Min.

Typ.

Max.

Min.

Max.

fMAX

Maximum Clock

Frequency

3.3

90

125

75

MHz

5.0

140

175

125

tPLH

Propagation Delay,

CP to Qn

3.3

3.0

8.0

13.0

1.5

14.0

ns

5.0

2.0

6.0

9.0

1.5

10.0

tPHL

Propagation Delay,

CP to Qn

3.3

3.5

8.5

13.0

2.0

14.5

ns

5.0

2.5

6.5

10.0

1.5

11.0

Symbol

Parameter

VCC (V)

(7)

TA = +25°C,

CL = 50pF

TA = –40°C to +85°C,

CL = 50pF

Units

Typ.

Guaranteed Minimum

tS

Setup Time, HIGH or LOW,

Dn to CP

3.3

3.5

5.5

6.0

ns

5.0

2.5

4.0

4.5

tH

Hold Time, HIGH or LOW,

Dn to CP

3.3

–2.0

0

ns

5.0

–1.0

1.0

tS

Setup Time, HIGH or LOW,

CE to CP

3.3

4.0

6.0

7.5

ns

5.0

2.5

4.0

4.5

tH

Hold Time, HIGH or LOW,

CE to CP

3.3

–3.5

0

ns

5.0

–2.0

1.0

tW

CP Pulse Width,

HIGH or LOW

3.3

3.5

5.5

6.0

ns

5.0

2.5

4.0

4.5

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