HD74LV174A 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74LV174A

Hex D-type Flip-Flops with Clear

Hitachi -> Renesas Electronics 

HD74LV174A

Switching Characteristics (cont)

VCC = 5.0 ± 0.5 V

Ta = 25°C

Ta = –40 to 85°C

Item

Maxi-

mum

clock

fre-

quency

Propa-

gation

delay

time

Setup

time

Symbol

fmax

tPLH / tPHL

tPHL

tSU

Min Typ

130 240

90 180

— 4.1

— 5.5

— 3.0

— 4.2

4.5 —

Max Min

— 110

— 80

7.2 1.0

9.2 1.0

7.6 1.0

9.6 1.0

— 4.5

2.5 — — 2.5

Max

—

—

8.5

10.5

9.0

11.0

—

—

Unit

MHz

Test Conditions

CL = 15 pF

CL = 50 pF

ns

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

ns

Hold

th

time

Pulse

tW

width

0.5 — — 0.5

—

ns

5.0 — — 5.0

—

ns

5.0 — — 5.0

—

FROM

(Input)

TO

(Output)

CLK

Q

CLR

Data before CLK↑

CLR inactive before

CLK↑

Data after CLK↑

CLR L

CLK H or L

8

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