TC74VHC161FN datasheet(7/15 Pages) TOSHIBA

7 / 15 page

TC74VHC161,163F/FN/FT/FK

2007-10-01

Timing Requirements (input: tr = tf = 3 ns)

Test Condition

Ta =

25°C

Ta =

−40 to

85°C

Characteristics

Symbol

VCC (V)

Limit

Unit

Minimum pulse width

(CK)

tw (L)

tw (H)

Figure 1

3.3 ± 0.3

5.0 ± 0.5

5.0

Minimum pulse width

( CLR )

(Note1)

tw (L)

Figure 4

3.3 ± 0.3

5.0 ± 0.5

5.0

Minimum set-up time

(A, B, C, D)

Figure 2

3.3 ± 0.3

5.0 ± 0.5

5.5

4.5

6.5

4.5

Minimum set-up time

( LOAD )

Figure 2

3.3 ± 0.3

5.0 ± 0.5

8.0

5.0

9.5

6.0

Minimum set-up time

(ENT, ENP)

Figure 3

3.3 ± 0.3

5.0 ± 0.5

7.5

5.0

9.0

6.0

Minimum set-up time

( CLR )

(Note 2)

Figure 5

3.3 ± 0.3

5.0 ± 0.5

4.0

3.5

4.0

3.5

Minimum hold time

Figure 2, Figure 3

3.3 ± 0.3

5.0 ± 0.5

1.0

Minimum hold time

( CLR )

(Note 2)

Figure 5

3.3 ± 0.3

5.0 ± 0.5

1.0

1.5

1.0

1.5

Minimum removal time

( CLR )

(Note 1)

trem

Figure 4

3.3 ± 0.3

5.0 ± 0.5

2.5

1.5

2.5

1.5

Note 1: For TC74VHC161 only

Note 2: For TC74VHC163 only

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