MC74LCX257M datasheet(4/8 Pages) ONSEMI

Part #	MC74LCX257M

Description	Low-Voltage CMOS Quad 2-Input Multiplexer With 5.0 V?뭈olerant Inputs and Outputs (3?뭆tate, Non?묲nverting)

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MC74LCX257

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DC ELECTRICAL CHARACTERISTICS

TA = −40°C to +85°C

Symbol

Characteristic

Condition

Min

Max

Unit

VIH

HIGH Level Input Voltage (Note 2)

2.3 V

≤ VCC ≤ 2.7 V

1.7

V

2.7 V

≤ VCC ≤ 3.6 V

2.0

VIL

LOW Level Input Voltage (Note 2)

2.3 V

≤ VCC ≤ 2.7 V

0.7

V

2.7 V

≤ VCC ≤ 3.6 V

0.8

VOH

HIGH Level Output Voltage

2.3 V

≤ VCC ≤ 3.6 V; IOH = −100 mA

VCC − 0.2

V

VCC = 2.3 V; IOH = −8 mA

1.8

VCC = 2.7 V; IOH = −12 mA

2.2

VCC = 3.0 V; IOH = −18 mA

2.4

VCC = 3.0 V; IOH = −24 mA

2.2

VOL

LOW Level Output Voltage

2.3 V

≤ VCC ≤ 3.6 V; IOL = 100 mA

0.2

V

VCC = 2.3 V; IOL = 8 mA

0.6

VCC = 2.7 V; IOL = 12 mA

0.4

VCC = 3.0 V; IOL = 16 mA

0.4

VCC = 3.0 V; IOL = 24 mA

0.55

II

Input Leakage Current

2.3 V

≤ VCC ≤ 3.6 V; 0 V ≤ VI ≤ 5.5 V

±5

mA

IOZ

3−State Output Current

2.3

≤ VCC ≤ 3.6 V; 0 V ≤ VO ≤ 5.5 V;

VI = VIH or VIL

±5

mA

IOFF

Power−Off Leakage Current

VCC = 0 V; VI or VO = 5.5 V

10

mA

ICC

Quiescent Supply Current

2.3

≤ VCC ≤ 3.6 V; VI = GND or VCC

10

mA

2.3

≤ VCC ≤ 3.6 V; 3.6 ≤ VI or VO ≤ 5.5 V

±10

DICC

Increase in ICC per Input

2.3

≤ VCC ≤ 3.6 V; VIH = VCC − 0.6 V

500

mA

2. These values of VI are used to test DC electrical characteristics only.

AC CHARACTERISTICS tR = tF = 2.5 ns; RL = 500 W

Limits

TA = −40°C to +85°C

VCC = 3.3 V ± 0.3 V

VCC = 2.7 V

VCC = 2.5 V ± 0.2 V

CL = 50 pF

CL = 30 pF

Symbol

Parameter

Waveform

Min

Max

Min

Max

Min

Max

Unit

tPLH

Propagation Delay

1

1.5

6.0

1.5

6.5

1.5

7.2

ns

tPHL

In to Zn

1.5

6.0

1.5

6.5

1.5

7.2

tPLH

Propagation Delay

1, 2

1.5

7.0

1.5

8.5

1.5

9.1

ns

tPHL

S to Zn

1.5

7.0

1.5

8.5

1.5

9.1

tPZH

Output Enable Time to

3

1.5

7.0

1.5

8.5

1.5

9.1

ns

tPZL

High and Low Level

1.5

7.0

1.5

8.5

1.5

9.1

tPHZ

Output Disable Time From

3

1.5

5.5

1.5

6.0

1.5

6.6

ns

tPLZ

High and Low Level

1.5

5.5

1.5

6.0

1.5

6.6

tOSHL

Output−to−Output Skew

1.0

ns

tOSLH

(Note 3)

1.0

3. 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); parameter

guaranteed by design.

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