HD74HC354 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74HC354

8-to-1-line Data Selectors/Multiplexer Register (with 3-state outputs)

Hitachi -> Renesas Electronics 

HD74HC354

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

— — 235 —

— 23 47 —

— — 40 —

Max Unit

295 ns

59

50

t PLH

2.0

— — 270 — 340 ns

t PHL

4.5

— 26 54 — 68

6.0

— — 46 — 58

t PLH

2.0

— — 285 — 355 ns

t PHL

4.5

— 26 57 — 71

6.0

— — 48 — 60

t PLH

2.0

— — 300 — 375 ns

t PHL

4.5

— 26 60 — 75

6.0

— — 51 — 64

Output enable

t ZH

time

t ZL

2.0

— — 150 — 190 ns

4.5

— 12 30 — 38

6.0

— — 26 — 33

Output disable

t LZ

time

t HZ

2.0

— — 165 — 205 ns

4.5

— 15 33 — 41

6.0

— — 28 — 35

Setup time

t su

2.0

50 — — 65 — ns

4.5

10 2 — 13 —

6.0

10 — — 13 —

Hold time

th

2.0

5 —— 5

— ns

4.5

5 0 —5

—

6.0

5 —— 5

—

Pulse width

tw

2.0

80 — — 100 — ns

4.5

16 4 – 20 —

6.0

14 — — 17 —

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

D0 – D7 to output

Data control to output

S0 – S2 to output

Select control to output

D0 – D7 to Data control,

S0 – S7 to Select control

D0 – D7 to Data control,

S0 – S7 to Select control

Select control or Data control

6

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