TC74AC157F 데이터 시트보기 (PDF) - Toshiba

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TC74AC157F

Quad 2-Channel Multiplexer

Toshiba 

TC74AC157P/F/FT

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

Characteristics

Propagation delay

time

(A, B-Y)

Symbol

tpLH

tpHL

Test Condition

―

Ta = 25°C

Ta =

−40 to 85°C Unit

VCC (V) Min Typ. Max Min Max

3.3 ± 0.3 ―

5.0 ± 0.5 ―

7.2 12.2 1.0 14.0

ns

5.5 7.9 1.0 9.1

Propagation delay

time

tpLH

(SELECT-Y)

tpHL

3.3 ± 0.3 ―

8.5 14.5 1.0 16.7

―

ns

5.0 ± 0.5 ―

6.3 9.1 1.0 10.5

Propagation delay

time

tpLH

( ST -Y)

tpHL

3.3 ± 0.3 ―

8.6 14.6 1.0 16.8

―

ns

5.0 ± 0.5 ―

6.4 9.2 1.0 10.6

Input capacitance

CIN

Power dissipation

capacitance

CPD

―

―

5

10

―

10

pF

(Note) ―

93

―

―

―

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 bit)

5

2012-02-29

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