TC74HCT139AF datasheet(3/8 Pages) TOSHIBA

No. de pieza	TC74HCT139AF

Descripción Electrónicos	Dual 2-to-4 Line Decoder

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Fabricante Electrónico	TOSHIBA [Toshiba Semiconductor]

Página de inicio	http://www.semicon.toshiba.co.jp/eng

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3 / 8 page

TC74HCT139AP/AF/AFN

2007-10-01

3

Operating Ranges (Note)

Characteristics

Symbol

Rating

Unit

Supply voltage

VCC

4.5~5.5

V

Input voltage

VIN

0~VCC

V

Output voltage

VOUT

0~VCC

V

Operating temperature

Topr

−40~85

°C

Input rise and fall time

tr, tf

0~500

ns

Note:

The operating ranges must be maintained to ensure the normal operation of the device.

Unused inputs must be tied to either VCC or GND.

Electrical Characteristics

DC Characteristics

Test Condition

Ta

= 25°C

Ta

= −40~85°C

Characteristics

Symbol

VCC (V)

Min

Typ.

Max

Min

Max

Unit

High-level input

voltage

VIH

⎯

4.5~5.5

2.0

⎯

2.0

⎯

V

Low-level input

voltage

VIL

⎯

4.5~5.5

⎯

0.8

⎯

0.8

V

IOH = −20 μA

4.5

4.4

4.5

⎯

4.4

⎯

High-level output

voltage

VOH

VIN

= VIH or VIL I

OH = −4 mA

4.5

4.18

4.31

⎯

4.13

⎯

V

IOL = 20 μA

4.5

⎯

0.0

0.1

⎯

0.1

Low-level output

voltage

VOL

VIN

= VIH or VIL I

OL = 4 mA

4.5

⎯

0.17

0.26

⎯

0.33

V

Input leakage

current

IIN

VIN = VCC or GND

5.5

⎯

±0.1

⎯

±1.0

μA

ICC

VIN = VCC or GND

5.5

⎯

4.0

⎯

40.0

μA

Quiescent supply

current

IC

Per input:

VIN = 0.5 V or 2.4 V

Other input: VCC or GND

5.5

⎯

2.0

⎯

2.9

mA

AC Characteristics (CL = 15 pF, VCC = 5 V, Ta = 25°C, input: tr = tf = 6 ns)

Characteristics

Symbol

Test Condition

Min

Typ.

Max

Unit

Output transition time

tTLH

tTHL

⎯

4

12

ns

Propagation delay time

(A, B- Y)

tpLH

tpHL

⎯

15

25

ns

Propagation delay time

( G- Y)

tpLH

tpHL

⎯

14

23

ns

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