HD74HCT540 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

Número de pieza

componentes Descripción

Lista de partido

HD74HCT540

Octal Buffers/Line Drivers (with 3-state outputs)

Hitachi -> Renesas Electronics 

HD74HCT540/HD74HCT541

AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)

Item

Symbol

Propagation delay tPLH

time

t PHL

t PLH

t PHL

Output enable

t ZL

time

t ZH

Output disable

t LZ

time

t HZ

Output rise/fall

t TLH

time

t THL

Input capacitance Cin

Ta = 25°C

Ta = –40 to

+85°C

Min Typ Max Min Max

— 11 20 — 25

— 12 20 — 25

— 10 23 — 29

— 13 23 — 29

— 16 30 — 38

— 20 30 — 38

— 15 30 — 38

— 15 30 — 38

— 4 12 — 15

— 4 12 — 15

— 5 10 — 10

Unit

ns

ns

ns

ns

ns

pF

Test Conditions

VCC (V)

4.5

HD74HCT540 only

4.5

4.5

HD74HCT541 only

4.5

4.5

4.5

4.5

4.5

4.5

4.5

—

4

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