HD74HC125 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74HC125

Quad. Bus Buffer Gates (with 3-state outputs)

Hitachi -> Renesas Electronics 

HD74HC125/HD74HC126

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

Ta = 25°C

Ta = –40 to

+85°C

Item

Symbol

Propagation delay tPLH

time

t PHL

VCC (V)

2.0

4.5

6.0

Min Typ Max Min

— — 100 —

— 8 20 —

— — 17 —

Max Unit

125 ns

25

21

Output enable

t ZH

time

t ZL

2.0

— — 150 — 190 ns

4.5

— 9 30 — 38

6.0

— — 26 — 33

Output disable

t HZ

time

t LZ

2.0

— — 150 — 190 ns

4.5

— 14 30 — 38

6.0

— — 26 — 33

Output rise/fall

t TLH

time

t THL

2.0

— — 60 — 75 ns

4.5

— 4 12 — 15

6.0

— — 10 — 13

Input capacitance Cin

—

— 5 10 — 10 pF

Test Conditions

5

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