74ACT257B datasheet(4/11 Pages) STMICROELECTRONICS

부품명	74ACT257B

상세설명	QUAD 2 CHANNEL MULTIPLEXER (3-STATE)

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74ACT257

4/11

DC SPECIFICATIONS

1) Maximum test duration 2ms, one output loaded at time

2) Incident wave switching is guaranteed on trasmission lines with impedances as low as 50

Ω

AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)

(*) Voltage range is 5.0V ± 0.5V

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

VIH

High Level Input

Voltage

4.5

VO = 0.1 V or

VCC-0.1V

2.0

1.5

2.0

V

5.5

2.0

1.5

2.0

VIL

Low Level Input

Voltage

4.5

VO = 0.1 V or

VCC-0.1V

1.5

0.8

5.5

1.5

0.8

V

VOH

High Level Output

Voltage

4.5

IO=-50 µA

4.4

4.49

4.4

5.5

IO=-50 µA

5.4

5.49

5.4

4.5

IO=-24 mA

3.86

3.76

3.7

V

5.5

IO=-24 mA

4.86

4.76

4.7

VOL

Low Level Output

Voltage

4.5

IO=50 µA

0.001

0.1

5.5

IO=50 µA

0.001

0.1

4.5

IO=24 mA

0.36

0.44

0.5

5.5

IO=24 mA

0.36

0.44

0.5

II

Input Leakage Cur-

rent

5.5

VI = VCC or GND

± 0.1

± 1

µA

IOZ

High Impedance

Output Leakege

Current

5.5

VI = VIH or VIL

VO = VCC or GND

± 0.5

± 5

mA

ICCT

Max ICC/Input

5.5

VI = VCC - 2.1V

0.6

1.5

1.6

mA

ICC

Quiescent Supply

Current

5.5

VI = VCC or GND

440

80

µA

IOLD

Dynamic Output

Current (note 1, 2)

5.5

VOLD = 1.65 V max

75

50

mA

IOHD

VOHD = 3.85 V min

-75

-50

mA

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

tPLH tPHL Propagation Delay

Time A, B to Y

5.0(*)

5.0

8.0

9.0

ns

tPLH tPHL Propagation Delay

Time SELECT to Y

5.0(*)

6.0

9.0

10.0

ns

tPZL tPZH Output Enable

Time

5.0(*)

5.0

8.0

9.0

ns

tPLZ tPHZ Output Disable

Time

5.0(*)

6.0

9.0

10.0

ns

유사한 부품 번호 - 74ACT257B

제조업체	부품명	데이터시트	상세설명
STMicroelectronics	74ACT257B	87Kb / 10P	QUAD 2 CHANNEL MULTIPLEXER 3-STATE

More results

유사한 설명 - 74ACT257B

제조업체	부품명	데이터시트	상세설명
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74ACT257B 데이터시트(PDF) 4 Page - STMicroelectronics

74ACT257B 데이터시트(HTML) 4 Page - STMicroelectronics

유사한 부품 번호 - 74ACT257B

유사한 설명 - 74ACT257B

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