HD74HC4543 Просмотр технического описания (PDF) - Renesas Electronics

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HD74HC4543

BCD-to-Seven Segment Latch/Decoder/Driver

Renesas Electronics 

HD74HC4543

Waveforms

• Waveform – 1

A to D

BI*, Ph

*

a to g

tr

tf

10%

90%

50%

90%

50%

10%

tPLH, tPHL

90%

10%

50%

tTLH, tTHL

tPLH, tPHL

90%

10%

50%

tTLH, tTHL

Note : 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

VCC

0V

VOH

VOL

• Waveforn – 2

A to D

LD

tr

10%

90%

50%

tPLH, tPHL

a to g

90%

10%

50%

tTLH, tTHL

Note : 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

• Waveform – 3

tr

tf

LD

A to D

10%

tsu

90%

50%

90%

10%

90%

50%

tw

tsu

90%

50%

10%

10%

th

50%

tr/tf

tr/tf

Note : 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

VCC

0V

VCC

0V

VOH

VOL

VCC

0V

VCC

0V

Rev.2.00 Mar 30, 2006 page 6 of 8

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