MC74LVQ573

ECLinPS and ECLinPS Lite

DL140 — Rev 3

5

MOTOROLA

WAVEFORM 1 – PROPAGATION DELAYS

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

VCC

0V

VOH

VOL

Dn

On

tPHL

tPLH

WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES

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

VCC

0V

≈ 0V

OE

On

tPZH

≈ 3.0V

tPHZ

tPZL

tPLZ

On

50% VCC

50% VCC

50% VCC

50% VCC

50% VCC

50% VCC

Figure 1. AC Waveforms

50% VCC

VCC

VOH – 0.3V

VOL + 0.3V

GND

50% VCC

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

VCC

0V

Dn

LE

50% VCC

On

VCC

0V

VOH

VOL

tPLH, tPHL

tw

50% VCC

50% VCC

50% VCC

th

ts

50% VCC

OPEN

PULSE

GENERATOR

RT

DUT

VCC

RL

R1

CL

2

• VCC

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