MC14503B Просмотр технического описания (PDF) - Motorola => Freescale

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MC14503B

Hex non-inverting 3-state buffer

Motorola => Freescale 

DISABLE

INPUT

PULSE

GENERATOR

VDD

16

INPUT

VSS

OUTPUT

CL

20 ns

INPUT

tPLH

OUTPUT

tPLH

90%

90%

tTLH

20 ns

VDD

50%

10% VSS

tPHL

VOH

50%

10% VOL

tTHL

tPHL

Figure 1. Switching Time Test Circuit and Waveforms

(tTLH, tTHL, tPHL, and tPLH)

DISABLE INPUT

PULSE

GENERATOR

VDD

tPHZ, tPZH CIRCUIT

16

INPUT

1k

8 VSS

OUTPUT

CL

PULSE

GENERATOR

DISABLE INPUT

tPLZ, tPZL CIRCUIT

VDD

INPUT

16

8 VSS

1k

OUTPUT

CL

20 ns

DISABLE INPUT

tPLZ

OUTPUT FOR tPZH, tPZL CIRCUIT

tPHZ

OUTPUT FOR tPHZ, tPLZ CIRCUIT

90%

50%

10%

90%

20 ns

VDD

10% tPZLVSS

90% VOH

≈ VOL + 0.05 V

tPZH

≈ VOH – 0.15 V

10%

VOL

Figure 2. 3–State AC Test Circuit and Waveforms

(tPLZ, tPHZ, tPZH, tPZL)

MOTOROLA CMOS LOGIC DATA

MC14503B

329

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