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Standard ics bu4s01 – Rainbow Electronics BU4S01 User Manual

Page 3

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3

Standard ICs

BU4S01

Switching characteristics (unless otherwise noted, V

SS

= 0V, Ta = 25°C, CL = 50pF)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Measurement

circuit

V

DD

(V)

t

TLH

70

ns

5

Fig.2

35

ns

10

30

ns

15

t

THL

70

ns

5

35

ns

10

30

ns

15

t

PLH

85

ns

5

40

ns

10

30

ns

15

t

PHL

85

ns

5

40

ns

10

30

ns

15

C

IN

5

pF

5

Conditions

Output rise time

Output fall time

Propagation delay time

Input capacitance

Measurement circuits

V

A

V

DD

V

SS

Fig.1 DC characteristics measurement circuit

V

DD

V

SS

P.G

C

L

= 50pF

t

THL

t

TLH

20ns

20ns

90

%

50

%

10

%

90

%

50

%

10

%

t

PLH

t

PHL

Input waveform

Output waveform

Fig.2 Switching characteristics measurement circuit