TC74ACT175FN Просмотр технического описания (PDF) - Toshiba

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TC74ACT175FN

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

Toshiba 

TC74ACT175P/F/FN

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

Characteristics

Propagation delay

time

(CK-Q, Q )

Propagation delay

time

( CLR -Q, Q )

Maximum clock

frequency

Input capacitance

Power dissipation

capacitance

Symbol

tpLH

tpHL

tpLH

tpHL

fmax

CIN

CPD

(Note)

Test Condition

VCC (V)

Ta = 25°C

Min Typ. Max

⎯

5.0 ± 0.5 ⎯

6.9 11.0

⎯

⎯

⎯

⎯

5.0 ± 0.5 ⎯

6.5 10.4

5.0 ± 0.5 80 145 ⎯

⎯

5

10

⎯

46

⎯

Ta = −40 to

85°C

Unit

Min Max

1.0 12.5 ns

1.0 11.8 ns

80

⎯ MHz

⎯

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/4 (per F/F)

And the total CPD when n pcs of Flip Flop operate can be gained by the following equation.

CPD (total) = 25 + 21･n

5

2007-10-01

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