MC74LVQ541 データシートの表示（PDF） - Motorola => Freescale

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MC74LVQ541

Low-Voltage Quiet CMOS Octal Buffer Flow Through Pinout (3-State, Non-Inverting)

Motorola => Freescale 

MC74LVQ541

Dn 50% VCC

tPLH

On

50% VCC

VCC

50% VCC

0V

tPHL

VOH

50% VCC

VOL

WAVEFORM 1 – PROPAGATION DELAYS

tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns

OEn

On

On

PULSE

GENERATOR

50% VCC

tPZH

tPHZ

50% VCC

50% VCC

VCC

0V

VCC

VOH – 0.3V

tPZL

tPLZ

50% VCC

VOL + 0.3V

GND

WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES

tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns

Figure 1. AC Waveforms

VCC

DUT

RT

R1

CL

RL

2 • VCC

OPEN

LCX DATA

BR1478

TEST

SWITCH

tPLH, tPHL

Open

tPZL, tPLZ

2 • VCC

Open Collector/Drain tPLH and tPHL

2 • VCC

tPZH, tPHZ

Open

CL = 50pF or equivalent (Includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

Figure 2. Test Circuit

5

MOTOROLA

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