6

Three-State Output

Capacitance

Input Capacitance

-

-

-10-

-10

pF

Power Dissipation Capacitance

(Note 11)

-

-

45

-

-

45

-

pF

NOTES:

8. Limits tested 100%.

9. 3.3V Min is at 3.6V, Max is at 3V.

10. 5V Min is at 5.5V, Max is at 4.5V.

PARAMETER

SYMBOL

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

FIGURE 1. THREE-STATE PROPAGATION DELAY WAVEFORMS AND TEST CIRCUIT

FIGURE 2. PROPAGATION DELAY TIMES

DUT

WITH

THREE-

STATE

OUTPUT

INPUT LEVEL

90%

10%

GND

OUTPUTS

ENABLED

OUTPUTS

DISABLED

OUTPUT: LOW

TO OFF TO LOW

OUTPUT: HIGH

TO OFF TO HIGH

OTHER

INPUTS

(TIED HIGH

OR LOW)

OUTPUT

DISABLE

50pF

500

500

OUT

OUTPUTS

ENABLED

(OPEN DRAIN)

OUTPUT

DISABLE

INPUT LEVEL

90%

10%

INVERTING

OUTPUT Y

NON-INVERTING

OUTPUT Y

CD74AC251, CD74ACT251