TC74ACT163FN datasheet(7/13 Pages) TOSHIBA

部品番号	TC74ACT163FN

部品情報	CMOS Digital Integrated Circuit Silicon Monolithic Synchronous Presettable 4-Bit Binary Counter

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TC74ACT161,163P/F/FN

2007-10-01

7

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

Test Condition

Ta

= 25°C

Ta

= −40 to

85°C

Characteristics

Symbol

VCC (V)

Min

Typ.

Max

Min

Max

Unit

Propagation delay

time

(CK-Q)

tpLH

tpHL

Figure 1

5.0

± 0.5

⎯

7.2

10.5

1.0

12.0

ns

Propagation delay

time

(CK-CARRY, count

mode)

tpLH

tpHL

Figure 1

5.0

± 0.5

⎯

8.5

13.0

1.0

15.0

ns

Propagation delay

time

(CK-CARRY, preset

mode)

tpLH

tpHL

Figure 2

5.0

± 0.5

⎯

9.7

15.0

1.0

17.0

ns

Propagation delay

time

(ENT-CARRY)

tpLH

tpHL

Figure 6

5.0

± 0.5

⎯

6.6

10.0

1.0

11.5

ns

Propagation delay

time

(Note 2)

( CLR -Q)

tpHL

Figure 4

5.0

± 0.5

⎯

6.3

10.0

1.0

11.5

ns

Propagation delay

time

(Note 2)

(

CLR -CARRY)

tpHL

Figure 4

5.0

± 0.5

⎯

7.7

12.3

1.0

14.0

ns

Maximum clock

frequency

fmax

⎯

5.0

± 0.5

70

100

⎯

60

⎯

MHz

Input capacitance

CIN

⎯

5

10

⎯

10

pF

Power dissipation

capacitance

CPD

(Note 1)

⎯

32

⎯

pF

Note 1: 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

When the outputs drive a capacitive load, total current consumption is the sum of CPD, and ΔICC which is

obtained from the following formula:

)

16

C

16

C

8

C

4

C

2

C

(

V

f

I

CO

QD

QC

QB

QA

CC

CK

CC

+

⋅

=

Δ

CQA~CQD and CCO are the capacitances at QA~QD and CARRY OUT, respectively.

fCK is the input frequency of the CK.

Note 2:

for TC74ACT161 only

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