TC74AC393 查看數據表（PDF） - Toshiba

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TC74AC393

Dual Binary Counter

Toshiba 

TC74AC393P/F/FN/FT

AC Characteristics (CL = 50 pF, RL = 500 Ω, input: tr = tf = 3 ns)

Characteristics

Propagation delay

time

( CK - QA )

Propagation delay

time

( CK - QB )

Propagation delay

time

( CK - QC )

Propagation delay

time

( CK - QD )

Propagation delay

time

(CLR-Qn)

Maximum clock

frequency

Input capacitance

Power dissipation

capacitance

Symbol

tpLH

tpHL

tpLH

tpHL

tpLH

tpHL

tpLH

tpHL

tpHL

fmax

CIN

CPD

Test Condition

Ta = 25°C

VCC (V) Min Typ. Max

3.3 ± 0.3 ―

8.0 13.2

―

5.0 ± 0.5 ―

5.0 8.3

3.3 ± 0.3 ― 10.1 16.7

―

5.0 ± 0.5 ―

5.9 10.5

3.3 ± 0.3 ― 12.0 20.2

―

5.0 ± 0.5 ―

6.8 12.3

3.3 ± 0.3 ― 13.0 23.0

―

5.0 ± 0.5 ―

7.5 13.2

―

―

―

3.3 ± 0.3 ―

5.0 ± 0.5 ―

8.0 13.2

5.1 8.8

3.3 ± 0.3 65

125

―

5.0 ± 0.5 100 160

―

―

5

10

(Note) ―

36

―

Ta =

−40 to 85°C Unit

Min Max

1.0 15.0

ns

1.0 9.5

1.0 19.0

ns

1.0 12.0

1.0 23.0

ns

1.0 14.0

1.0 26.0

ns

1.0 15.0

1.0 15.0

ns

1.0 10.0

65

―

MHz

100

―

―

10

pF

―

―

pF

Note:

CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating

current consumption without load.

Average operating current can be obtained by the equation:

ICC (opr) = CPD·VCC·fIN + ICC/2 (per counter)

5

2007-10-01

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