BU4081B datasheet(3/4 Pages) ROHM

3 / 4 page

Standard ICs

BU4081B / BU4081BF / BU4081BFV

Switching characteristics (unless otherwise noted, VSS = 0V, Ta = 25°C, CL = 50pF)

Parameter

Symbol

Min.

Typ.

Max.

Conditions

Measurement

circuit

tTLH

—

180

—

Fig.2

—90—

—65—

tTHL

—

100

—

Fig.2

—50—

—40—

“L” to “H”

Propagation delay time

tPLH

—

160

—

Fig.2

—65—

—50—

“H” to “L”

Propagation delay time

tPHL

—

160

—

Fig.2

—65—

—50—

Input capacitance

CIN

—5—

—

VDD (V)

Unit

Output rise time

Output fall time

•Measurement circuits

VDD

GND

Fig. 1 DC characteristics

P.G.

VDD

GND

CL = 50pF

90%

50%

10%

20ns

VDD

VSS

VOH

VOL

Input waveform

Output waveform

90%

50%

10%

tPLH

tPHL

tTHL

tTLH

Fig. 2 Switching characteristics

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