MC14508BCL 데이터 시트보기 (PDF) - Motorola => Freescale

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MC14508BCL

Dual 4-Bit Latch

Motorola => Freescale 

tWH(S)

STROBE

INPUT

50%

50%

tsu

Dn INPUT

th

50%

tPLH

tPHL

90%

Qn OUTPUT 10% 50%

tTLH

tTHL

tWH(R)

MASTER RESET

VDD

INPUT

50%

VSS

VOH

Qn OUTPUT

VOL

Figure 1. AC Waveforms

PULSE

GENERATOR

VDD

ST3

ST4

VDD

MR

Q0

ST

DISABLE Q1

D0

D1

Q2

D2

D3

Q3

VSS

VDD

ST1

1.0 k

1.0 k

CL

ST2

Test

tPHZ

tPLZ

tPZL

tPZH

ST1

Open

Close

Close

Open

ST2

Close

Open

Open

Close

ST3

Close

Open

Open

Close

ST4

Open

Close

Close

Open

20 ns

DISABLE

tPLZ

Q3 OUTPUT tPHZ

20 ns

90%

VDD

50%

10% tPZLVSS

90% VOH

10%

≈ 2.5 V @ VDD = 5 V,

tPZH

10 V, AND 15 V

≈ 2 V @ VDD = 5 V

90%

≈ 6 V @ VDD = 10 V

10%

≈ 10 V @ VDD = 15 V

VOL

Figure 2. 3–State AC Test Circuit and Waveforms

MOTOROLA CMOS LOGIC DATA

MC14508B

347

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