HD74LV273A Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74LV273A

Octal D-type Flip-Flops with Clear

Hitachi -> Renesas Electronics 

HD74LV273A

Switching Characteristics

• VCC = 2.5 ± 0.2 V

Ta = 25°C

Ta = –40 to 85°C

Item

Maxi-

mum

clock

fre-

quency

Propa-

gation

delay

time

Setup

time

Symbol

fmax

tPHL

tPLH / tPHL

tPHL

tPLH / tPHL

tSU

Min Typ Max Min

55 95 — 45

45 75 — 40

— 10.3 19.0 1.0

— 10.4 18.3 1.0

— 13.1 22.8 1.0

— 12.9 22.1 1.0

8.5 — — 10.5

Hold

th

time

Pulse

tW

width

4.0 — — 4.0

0.5 — — 1.0

6.5 — — 7.0

7.0 — — 8.5

Max

—

—

21.0

20.5

25.5

25.0

—

—

—

—

—

Unit

MHz

Test Conditions

CL = 15 pF

CL = 50 pF

ns

CL = 15 pF

CL = 50 pF

ns

ns

ns

FROM

(Input)

TO

(Output)

CLR

Q

CLK

Q

CLR

Q

CLK

Q

Data

CLR inactive

CLR L

CLK H or L

6

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