54AC74 datasheet(5/8 Pages) NSC

5 / 8 page

DC Characteristics for ’ACT Family Devices (Continued)

54ACT

Symbol

Parameter

A =

Units

Conditions

(V)

−55˚C to +125˚C

Guaranteed

Limits

Maximum Quiescent

5.5

40.0

µA

IN =VCC

Supply Current

or GND

Note 5: All outputs loaded; thresholds on input associated with output under test.

Note 6: Maximum test duration 2.0 ms, one output loaded at a time.

Note 7: ICC for 54ACT @ 25˚C is identical to 74ACT @ 25˚C.

AC Electrical Characteristics

54AC

Symbol

Parameter

(V)

A = −55˚C to +125˚C

Units

Fig.

(Note 8)

L = 50 pF

No.

Min

Max

max

Maximum Clock

3.3

MHz

Frequency

5.0

PLH

Propagation Delay

3.3

1.0

13.0

Dn or SDn to Qn or Qn

5.0

1.0

9.5

PHL

Propagation Delay

3.3

1.0

14.0

Dn or SDn to Qn or Qn

5.0

1.0

10.5

PLH

Propagation Delay

3.3

1.0

17.5

n to Qn or Qn

5.0

1.0

12.0

PHL

Propagation Delay

3.3

1.0

13.5

n to Qn or Qn

5.0

1.0

10.0

Note 8: Voltage Range 3.3 is 3.3V ± 0.3V

Voltage Range 5.0 is 5.0V ± 0.5V

AC Operating Requirements

54AC

Symbol

Parameter

A = −55˚C to +125˚C

Units

Fig.

(V)

L = 50 pF

No.

(Note 9)

Guaranteed Limits

Set-up Time, HIGH or LOW

3.3

5.0

n to CPn

5.0

4.0

Hold Time, HIGH or LOW

3.3

0.5

n to CPn

5.0

0.5

n or CDn or SDn

3.3

8.0

Pulse Width

5.0

5.5

rec

Recovery Time

3.3

0.5

Dn or SDn to CP

5.0

0.5

Note 9: Voltage Range 3.3 is 3.3V ±0.3V

Voltage Range 5.0 is 5.0V ±0.5V

54AC74 Datasheet(PDF) 5 Page - National Semiconductor (TI)

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