BU4S01 데이터 시트보기 (PDF) - ROHM Semiconductor

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BU4S01

Single 2-input NOR gate

ROHM Semiconductor 

Standard ICs

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

Parameter

Symbol Min.

Typ.

Max.

Unit

VDD (V)

—

70

—

ns

5

Output rise time

tTLH

—

35

—

ns

10

—

30

—

ns

15

—

70

—

ns

5

Output fall time

tTHL

—

35

—

ns

10

—

30

—

ns

15

—

85

—

ns

5

tPLH

—

40

—

ns

10

Propagation delay time

—

30

—

ns

15

—

85

—

ns

5

tPHL

—

40

—

ns

10

—

30

—

ns

15

Input capacitance

CIN

—

5

—

pF

5

Conditions

—

—

—

—

—

BU4S01

Measurement

circuit

Fig.2

—

•Measurement circuits

VDD

A

V

VSS

Fig.1 DC characteristics measurement circuit

VDD

20ns

20ns

Input waveform

90%

50%

10%

P.G

tPHL

tPLH

CL = 50pF

90%

50%

VSS

Output waveform

10%

tTHL

tTLH

Fig.2 Switching characteristics measurement circuit

3

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