U74CBTLV3251

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CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 7

www.unisonic.com.tw

QW-R502-D66.b



SWITCHING CHARACTERISTICS

See Fig. 1 and Fig. 2 for test circuit and waveforms.

PARAMETER

SYMBOL

TEST CONDITIONS

TA=25°C

TA=-40°C~+125°C

UNIT

MIN TYP MAX MIN TYP MAX

Propagation Delay From

Input (A or B) (Note) to

Output (B or A)

tpd

(tPLH/tPHL)

VCC=2.5V±0.2V

0.15

0.3

ns

VCC=3.3V±0.3V

0.25

0.5

ns

Propagation Delay From

Input (S) to Output (A)

VCC=2.5V±0.2V

1

6.1

8.1

ns

VCC=3.3V±0.3V

1

5.3

7.3

ns

Propagation Delay From

Input (S) to Output (B)

ten

(tPZL/tPZH)

VCC=2.5V±0.2V

1

5.4

7.4

ns

VCC=3.3V±0.3V

1

4.8

6.8

ns

Propagation Delay From

Input ( OE ) to Output (A or

B)

VCC=2.5V±0.2V

1

5.2

7.2

ns

VCC=3.3V±0.3V

1

4.5

6.5

ns

Propagation Delay From

Input (S) to Output (B)

tdis

(tPLZ/tPHZ)

VCC=2.5V±0.2V

1

4.8

6.8

ns

VCC=3.3V±0.3V

1

4.5

6.5

ns

Propagation Delay From

Input ( OE ) to Output (A or

B)

VCC=2.5V±0.2V

1

6.7

8.2

ns

VCC=3.3V±0.3V

1

7.2

8.8

ns

Note: The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and

the specified load capacitance, when driven by an ideal voltage source (zero output impedance).



OPERATING CHARACTERISTICS (TA=25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Control input

Capacitance

Control

Inputs

CI

VO=3V or 0

3

pF

I/O Capacitance

(OFF)

A Port

CIO(OFF)

VO=3V or 0, OE =VCC

40.5

pF

B Port

6

pF