HD74HC147FPEL 查看數據表（PDF） - Renesas Electronics

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HD74HC147FPEL

HD74HC147 / 10-to-4-line Priority Encoder

Renesas Electronics 

HD74HC147

Electrical Characteristics

Item

Input voltage

Output voltage

Input current

Quiescent supply

current

Symbol

VIH

VIL

VOH

VOL

Iin

ICC

VCC (V)

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

6.0

6.0

Ta = 25°C

Min Typ Max

1.5 — —

3.15 — —

4.2 — —

— — 0.5

— — 1.35

— — 1.8

1.9 2.0 —

4.4 4.5 —

5.9 6.0 —

4.18 — —

5.68 — —

— 0.0 0.1

— 0.0 0.1

— 0.0 0.1

— — 0.26

— — 0.26

— — ±0.1

— — 4.0

Ta = –40 to+85°C

Min Max Unit

Test Conditions

1.5

—

V

3.15

—

4.2

—

—

0.5 V

—

1.35

—

1.8

1.9

—

V Vin = VIH or VIL IOH = –20 µA

4.4

—

5.9

—

4.13

5.63

—

—

—

IOH = –4 mA

—

IOH = –5.2 mA

0.1

V Vin = VIH or VIL IOL = 20 µA

0.1

—

0.1

—

0.33

IOL = 4 mA

—

0.33

IOL = 5.2 mA

—

±1.0 µA Vin = VCC or GND

—

40 µA Vin = VCC or GND, Iout = 0 µA

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

Item

Propagation delay

time

Output rise/fall

time

Input capacitance

Symbol VCC (V)

tPHL

2.0

4.5

6.0

tPLH

2.0

4.5

6.0

tTLH, tTHL 2.0

4.5

6.0

Cin

—

Ta = 25°C

Ta = –40 to +85°C

Min Typ Max Min Max Unit

Test Conditions

— — 220 —

275 ns Select to any Y (4 levels)

— 15 44

—

55

— — 37

—

47

— — 220 —

275 ns

— 14 44

—

55

— — 37

—

47

— — 75

—

95 ns

— 5 15

—

19

— — 13

—

16

— 5 10

—

10 pF

Test Circuit

Measurement point

CL*

Note: CL includes the probe and fig capacitance.

Rev.2.00, Oct 11, 2005 page 3 of 5

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