74LCX574 datasheet(6/14 Pages) FAIRCHILD | Low Voltage Octal D-Type Flip-Flop with 5V Tolerant Inputs and Outputs

6 page

www.fairchildsemi.com

74LCX574 Rev. 2.0.0

AC Loading and Waveforms (Generic for LCX Family)

Figure 1. AC Test Circuit (CL includes probe and jig capacitance)

Waveform for Inverting and

Non-Inverting Functions

Propagation Delay, Pulse Width and

trec Waveforms

3-STATE Output Low Enable and

Disable Times for Logic

3-STATE Output High Enable and

Disable Times for Logic

Setup Time, Hold Time and

Recovery Time for Logic

trise and tfall

Figure 2. Waveforms (Input Characteristics; f =1MHz, tr = tf = 3ns)

Test

Switch

tPLH, tPHL

Open

tPZL, tPLZ

6V at VCC = 3.3 ± 0.3V

VCC x 2 at VCC = 2.5 ± 0.2V

tPZH, tPHZ

GND

VCC

DUT

500

Ω

500

Ω

OPEN

tPLH, tPHL

tPZH, tPHZ

tPZL, tPLZ

GND

TEST

SIGNAL

VCC

GND

DATA

OUT

tpxx

Vmi

Vmo

VCC

GND

CONTROL

CLOCK

OUTPUT

tPHL

tPLH

trec

Vmi

Vmo

VCC

VOL

GND

DATA

OUT

OUTPUT

CONTROL

tPZL

tPLZ

Vmi

Vmo

DATA

OUT

OUTPUT

CONTROL

tPZH

tPHZ

VCC

GND

Vmi

VOH

Vmo

DATA

CONTROL

INPUT

CLEAR

trec

VCC

GND

VCC

GND

Vmi

ANY

OUTPUT

VOH

VOL

10%

90%

Symbol

VCC

3.3V

± 0.3V

2.7V

2.5V

± 0.2V

Vmi

1.5V

VCC / 2

Vmo

1.5V

VCC / 2

VOL + 0.3V

VOL + 0.15V

VOH − 0.3V

VOH − 0.15V

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