TC74AC139F datasheet(4/9 Pages) TOSHIBA

Il numero della parte	TC74AC139F

Spiegazioni elettronici	CMOS Digital Integrated Circuit Silicon Monolithic Dual 2-to-4 Line Decoder

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Produttore elettronici	TOSHIBA [Toshiba Semiconductor]

Homepage	http://www.semicon.toshiba.co.jp/eng

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4 / 9 page

TC74AC139P/F/FN/FT

2007-10-01

4

Electrical Characteristics

DC Characteristics

Test Condition

Ta = 25°C

Ta =

−40 to 85°C

Characteristics

Symbol

VCC

(V)

Min

Typ.

Max

Min

Max

Unit

High-level input

voltage

VIH

―

2.0

3.0

5.5

1.50

2.10

3.85

―

1.50

2.10

3.85

―

V

Low-level input

voltage

VIL

―

2.0

3.0

5.5

―

0.50

0.90

1.65

―

0.50

0.90

1.65

V

IOH = −50 μA

2.0

3.0

4.5

1.9

2.9

4.4

2.0

3.0

4.5

―

1.9

2.9

4.4

―

High-level output

voltage

VOH

VIN

= VIH or

VIL

IOH = −4 mA

IOH = −24 mA

IOH = −75 mA (Note)

3.0

4.5

5.5

2.58

3.94

―

2.48

3.80

3.85

―

V

IOL = 50 μA

2.0

3.0

4.5

―

0.0

0.1

―

0.1

Low-level output

voltage

VOL

VIN

= VIH or

VIL

IOL = 12 mA

IOL = 24 mA

IOL = 75 mA

(Note)

3.0

4.5

5.5

―

0.36

―

0.44

1.65

V

Input leakage

current

IIN

VIN = VCC or GND

5.5

―

±0.1

―

±1.0

μA

Quiescent supply

current

ICC

VIN = VCC or GND

5.5

―

8.0

―

80.0

μA

Note:

This spec indicates the capability of driving 50 Ω transmission lines.

One output should be tested at a time for a 10 ms maximum duration.

AC Characteristics (CL = 50 pF, RL = 500 Ω, input: tr = tf = 3 ns)

Test Condition

Ta = 25°C

Ta =

−40 to 85°C

Characteristics

Symbol

VCC (V)

Min

Typ.

Max

Min

Max

Unit

Propagation delay

time

(A, B- Y)

tpLH

tpHL

―

3.3 ± 0.3

5.0 ± 0.5

―

8.2

6.2

13.9

9.0

1.0

16.0

10.3

ns

Propagation delay

time

( G- Y)

tpLH

tpHL

―

3.3 ± 0.3

5.0 ± 0.5

―

7.6

5.8

12.9

8.5

1.0

14.8

9.6

ns

Input capacitance

CIN

―

5

10

―

10

pF

Power dissipation

capacitance

CPD

(Note)

―

110

―

pF

Note:

CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating

current consumption without load.

Average operating current can be obtained by the equation:

ICC (opr) = CPD·VCC·fIN + ICC/2 (per decoder)

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