74ACT253 datasheet(7/12 Pages) FAIRCHILD

Part #	74ACT253

Description	Dual 4-Input Multiplexer with 3-STATE Outputs

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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74AC253, 74ACT253 Rev. 1.5

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 Electrical Characteristics for ACT

Note:

7. Voltage range 5.0 is 5.0V ± 0.5V.

Capacitance

Symbol

Parameter

VCC (V)

(6)

TA = +25°C

CL = 50pF

TA = –40°C to +85°C,

CL = 50pF

Units

Min.

Typ.

Max.

Min

Max

tPLH

Propagation Delay,

Sn to Zn

3.3

2.0

8.5

15.5

2.0

17.5

ns

5.0

2.0

6.5

11.0

1.5

12.5

tPHL

Propagation Delay,

Sn to Zn

3.3

2.5

9.5

16.0

2.0

18.0

ns

5.0

2.0

7.0

11.5

1.5

13.0

tPLH

Propagation Delay,

In to Zn

3.3

1.5

7.0

14.5

1.5

17.0

ns

5.0

1.5

5.5

10.0

1.5

11.5

tPHL

Propagation Delay,

In to Zn

3.3

2.0

7.5

13.0

1.5

15.0

ns

5.0

1.5

5.5

9.5

1.5

11.0

tPZH

Output Enable Time

3.3

1.5

4.5

8.0

1.0

8.5

ns

5.0

1.5

3.5

6.0

1.0

6.5

tPZL

Output Enable Time

3.3

1.5

5.0

8.0

1.0

9.0

ns

5.0

1.5

3.5

6.0

1.0

7.0

tPHZ

Output Disable Time

3.3

2.0

5.5

9.5

1.5

10.0

ns

5.0

2.0

5.0

8.0

1.5

8.5

tPLZ

Output Disable Time

3.3

1.5

5.0

8.0

1.0

9.0

ns

5.0

1.5

4.0

7.0

1.0

7.5

Symbol

Parameter

VCC (V)

(7)

TA = +25°C,

CL = 50pF

TA = –40°C to +85°C,

CL = 50pF

Units

Min.

Typ.

Max.

Min.

Max.

tPLH

Propagation Delay, Sn to Zn

5.0

2.0

7.0

11.5

2.0

13.0

ns

tPHL

Propagation Delay, Sn to Zn

5.0

3.0

7.5

13.0

2.5

14.5

ns

tPLH

Propagation Delay, In to Zn

5.0

2.5

5.5

10.0

2.0

11.0

ns

tPHL

Propagation Delay, In to Zn

5.0

3.5

6.5

11.0

3.0

12.5

ns

tPZH

Output Enable Time

5.0

2.0

4.5

7.5

1.5

8.5

ns

tPZL

Output Enable Time

5.0

2.0

5.0

8.0

1.5

9.0

ns

tPHZ

Output Disable Time

5.0

3.0

6.0

9.5

2.5

10.0

ns

tPLZ

Output Disable Time

5.0

2.5

4.5

7.5

2.0

8.5

ns

Symbol

Parameter

Conditions

Typ.

Units

CIN

Input Capacitance

VCC = OPEN

4.5

pF

CPD

Power Dissipation Capacitance

VCC = 5.0V

50.0

pF

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