©1995 Fairchild Semiconductor Corporation

www.fairchildsemi.com

74LCX74 Rev. 1.7.0

4

DC Electrical Characteristics

AC Electrical Characteristics

Note:

4. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate

outputs of the same device. The specification applies to any outputs switching in the same direction, either

Symbol

Parameter

Conditions

Units

Min.

Max.

HIGH Level Input Voltage

2.3–2.7

1.7

V

2.7–3.6

2.0

LOW Level Input Voltage

2.3–2.7

0.7

V

2.7–3.6

0.8

HIGH Level Output Voltage

2.3–3.6

V

2.3

1.8

2.7

2.2

3.0

2.4

2.2

LOW Level Output Voltage

2.3–3.6

0.2

V

2.3

0.6

2.7

0.4

3.0

0.4

0.55

Input Leakage Current

2.3–3.6

0

≤ V

±5.0

µA

Power-Off Leakage Current

0

10

µA

Quiescent Supply Current

2.3–3.6

10

µA

3.6V

≤ V

±10

∆I

CC

2.3–3.6

500

µA

Symbol

Parameter

Units

Min.

Max.

Min.

Max.

Min.

Max.

Maximum Clock Frequency

150

150

150

MHz

Propagation Delay,

1.5

7.0

1.5

8.0

1.5

8.4

ns

Propagation Delay,

1.5

7.0

1.5

8.0

1.5

8.4

ns

Setup Time

2.5

2.5

4.0

ns

Hold Time

1.5

1.5

2.0

ns

Pulse Width CP

3.3

3.3

4.0

ns

3.3

3.6

4.0

ns

Recovery Time

2.5

3.0

4.5

ns

(4)

1.0

ns