TC74ACT257FN datasheet(4/8 Pages) TOSHIBA

부품명	TC74ACT257FN

상세설명	CMOS Digital Integrated Circuit Silicon Monolithic 2-Channel Multiplexer (3-state)

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제조업체	TOSHIBA [Toshiba Semiconductor]

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

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4 / 8 page

TC74ACT257P/F/FN

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

⎯

4.5 to

5.5

2.0

⎯

2.0

⎯

V

Low-level input

voltage

VIL

⎯

4.5 to

5.5

⎯

0.8

⎯

0.8

V

High-level output

voltage

VOH

VIN

= VIH or

VIL

IOH = −50 μA

IOH = −24 mA

IOH = −75 mA

(Note)

4.5

5.5

4.4

3.94

⎯

4.5

⎯

4.4

3.80

3.85

⎯

V

Low-level output

voltage

VOL

VIN

= VIH or

VIL

IOL = 50 μA

IOL = 24 mA

IOL = 75 mA

(Note)

4.5

5.5

⎯

0.0

⎯

0.1

0.36

⎯

0.1

0.44

1.65

V

3-state output

off-state current

IOZ

VIN = VIH or VIL

VOUT = VCC or GND

5.5

⎯

±0.5

⎯

±5.0

μA

Input leakage

current

IIN

VIN = VCC or GND

5.5

⎯

±0.1

⎯

±1.0

μA

ICC

VIN = VCC or GND

5.5

⎯

8.0

⎯

80.0

μA

Quiescent supply

current

IC

Per input: VIN = 3.4 V

Other input: VCC or GND

5.5

⎯

1.35

⎯

1.5

mA

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

⎯

5.0

± 0.5

⎯

6.5

9.6

1.0

11.0

ns

Propagation delay

time

(SELECT-Y)

tpLH

tpHL

⎯

5.0

± 0.5

⎯

7.8

11.4

1.0

13.0

ns

Output enable time

tpZL

tpZH

⎯

5.0

± 0.5

⎯

6.3

9.6

1.0

11.0

ns

Output disable time

tpLZ

tpHZ

⎯

5.0

± 0.5

⎯

6.3

8.8

1.0

10.0

ns

Input capacitance

CIN

⎯

5

10

⎯

10

pF

Output capacitance

COUT

⎯

10

⎯

pF

Power dissipation

capacitance

CPD

(Note)

⎯

57

⎯

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/4 (per bit)

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TC74ACT257FN 데이터시트(PDF) 4 Page - Toshiba Semiconductor

TC74ACT257FN 데이터시트(HTML) 4 Page - Toshiba Semiconductor

유사한 부품 번호 - TC74ACT257FN

유사한 설명 - TC74ACT257FN

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