74LCX257M datasheet(4/9 Pages) FAIRCHILD

Nome de Peças	74LCX257M

Descrição Electrónicos	Low Voltage Quad 2-Input Multiplexer with 5V Tolerant Inputs and Outputs

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Fabricante Electrônico	FAIRCHILD [Fairchild Semiconductor]

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4

DC Electrical Characteristics (Continued)

Note 5: Outputs disabled or 3-STATE only.

AC Electrical Characteristics

Note 6: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The

specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).

Dynamic Switching Characteristics

Capacitance

Symbol

Parameter

Conditions

VCC

TA = −40°C to +85°C

Units

(V)

Min

Max

ICC

Quiescent Supply Current

VI = VCC or GND

2.3

− 3.6

10

µA

3.6V

≤ V

I, VO ≤ 5.5V (Note 5)

2.3

− 3.6

±10

∆I

CC

Increase in ICC per Input

VIH = VCC −0.6V

2.3

− 3.6

500

µA

Symbol

Parameter

TA = −40°C to +85°C, RL = 500 Ω

Units

VCC = 3.3V ± 0.3V

VCC = 2.7V

VCC = 2.5V ± 0.2V

CL= 50 pF

CL = 50 pF

CL= 30 pF

Min

Max

Min

Max

Min

Max

tPHL

Propagation Delay

1.5

7.0

1.5

8.5

1.5

9.1

ns

tPLH

S

→Z

n

1.57.0

1.58.5

1.59.1

tPHL

Propagation Delay

1.5

6.0

1.5

6.5

1.5

7.2

ns

tPLH

In→Zn

1.56.0

1.56.5

1.57.2

tPZL

Output Enable Time

1.5

7.0

1.5

8.5

1.5

9.1

ns

tPZH

OE

→Z

n

1.57.0

1.58.5

1.59.1

tPLZ

Output Disable Time

1.5

5.5

1.5

6.0

1.5

6.6

ns

tPHZ

OE

→Z

n

1.55.5

1.56.0

1.56.6

tOSHL

Output to Output Skew (Note 6)

1.0

ns

tOSLH

1.0

Symbol

Parameter

Conditions

VCC

TA = 25°C

Units

(V)

Typical

VOLP

Quiet Output Dynamic Peak VOL

CL = 50 pF, VIH = 3.3V, VIL = 0V

3.3

0.8

V

CL = 30 pF, VIH = 2.5V, VIL = 0V

2.5

0.6

VOLV

Quiet Output Dynamic Valley VOL

CL = 50 pF, VIH = 3.3V, VIL = 0V

3.3

−0.8

V

CL = 30 pF, VIH = 2.5V, VIL = 0V

2.5

−0.6

Symbol

Parameter

Conditions

Typical

Units

CIN

Input Capacitance

VCC = Open, VI = 0V or VCC

7pF

COUT

Output Capacitance

VCC = 3.3V, VI = 0V or VCC

8pF

CPD

Power Dissipation Capacitance

VCC = 3.3V, VI = 0V or VCC, f = 10 MHz

25

pF

Nº de peça semelhante - 74LCX257M

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Fairchild Semiconductor	74LCX257M	103Kb / 9P	Low Voltage Quad 2-Input Multiplexer Low Voltage Quad 2-Input Multiplexer
ON Semiconductor	74LCX257M	207Kb / 11P	Low Voltage Quad 2-Input Multiplexer Revised September 2000
Fairchild Semiconductor	74LCX257MTC	103Kb / 9P	Low Voltage Quad 2-Input Multiplexer Low Voltage Quad 2-Input Multiplexer
ON Semiconductor	74LCX257MTC	207Kb / 11P	Low Voltage Quad 2-Input Multiplexer Revised September 2000
Fairchild Semiconductor	74LCX257MTCX	103Kb / 9P	Low Voltage Quad 2-Input Multiplexer Low Voltage Quad 2-Input Multiplexer

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Descrição semelhante - 74LCX257M

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