HD74HC679 查看數據表（PDF） - Renesas Electronics

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HD74HC679

12-bit Address Comparator

Renesas Electronics 

HD74HC679

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

—

IOH = –4 mA

5.63

—

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)

tPLH

2.0

tPHL

4.5

6.0

tPLH

2.0

tPHL

4.5

6.0

tPLH

2.0

tPHL

4.5

6.0

tTLH

2.0

tTHL

4.5

6.0

Cin

—

Ta = 25°C

Ta = –40 to +85°C

Min Typ Max Min Max Unit

Test Conditions

— — 310 —

390 ns P to Y

— 27 62

—

78

— — 52

—

66

— — 180 —

225 ns A to Y

— 18 36

—

45

— — 31

—

38

— — 125 —

155 ns G to Y

— 14 25

—

31

— — 21

—

26

— — 75

—

95

ns

—

5

15

—

19

— — 13

—

16

—

5

10

—

10 pF

Rev.2.00 Mar 30, 2006 page 4 of 6

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