MC74VHC157(2011) Просмотр технического описания (PDF) - ON Semiconductor

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MC74VHC157
(Rev.:2011)

Quad 2-Channel Multiplexer

ON Semiconductor 

MC74VHC157

NOISE CHARACTERISTICS (Input tr = tf = 3.0 ns; CL = 50 pF; VCC = 5.0 V)

Symbol

VOLP

VOLV

VIHD

VILD

Characteristic

Quiet Output Maximum Dynamic VOL

Quiet Output Minimum Dynamic VOL

Minimum High Level Dynamic Input Voltage

Maximum Low Level Dynamic Input Voltage

TA = 25_C

Typ

Max

Unit

0.3

0.8

V

*0.3

*0.8

V

3.5

V

1.5

V

A, B, or S

50%

tPLH

tPHL

Y 50% VCC

VCC

GND

E

50%

tPLH

tPHL

Y

50% VCC

VCC

GND

Figure 5. Switching Waveform

Figure 6. Inverting Switching

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

*Includes all probe and jig capacitance.

Figure 7. Test Circuit

INPUT

Figure 8. Input Equivalent Circuit

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