MC74LVQ573DW Просмотр технического описания (PDF) - Motorola => Freescale

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производитель

MC74LVQ573DW

LOW–VOLTAGE CMOS OCTAL TRANSPARENT LATCH

Motorola => Freescale 

MC74LVQ573

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

OE

tPZH

On

50% VCC

tPHZ

50% VCC

50% VCC

tPZL

On

tPLZ

50% VCC

VCC

Dn

0V

VCC

VOH – 0.3V LE 50% VCC

≈ 0V

≈ 3.0V

On

VOL + 0.3V

GND

50% VCC

ts

tw

tPLH, tPHL

50% VCC

VCC

50% VCC

0V

th

VCC

50% VCC

0V

VOH

VOL

WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES

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

WAVEFORM 3 – LE to On PROPAGATION DELAYS, LE MINIMUM

PULSE WIDTH, Dn to LE SETUP AND HOLD TIMES

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

Figure 1. AC Waveforms

PULSE

GENERATOR

VCC

DUT

RT

R1

CL

RL

2 • VCC

OPEN

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

ECLinPS and ECLinPS Lite

5

DL140 — Rev 3

MOTOROLA

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