CD54HC03 datasheet(5/13 Pages) TI

5 / 13 page

Power Dissipation Capacitance

(Notes 5, 6)

CPD

----

NOTES:

5. CPD is used to determine the dynamic power consumption, per gate.

6. PD = CPD VCC

2 f

i + Σ (CL VCC

2 f

o) + Σ (VL

2/R

L) (Duty Factor “Low”)

where fi = input frequency, fo = output frequency, CL = output load capacitance, VCC = supply voltage, Duty Factor “Low” = percent of

time output is “low”, VL = output voltage, RL = pull-up resistor.

Switching Speciﬁcations Input tr, tf = 6ns (Continued)

PARAMETER

SYMBOL

TEST

CONDITIONS

VCC

(V)

25oC

-40oC TO 85oC

-55oC TO 125oC

UNITS

MIN

TYP

MAX

MIN

MAX

MIN

MAX

Test Circuits and Waveforms

FIGURE 1. TRANSITION TIMES, PROPAGATION DELAY

TIMES, AND TEST CIRCUIT

FIGURE 2. MINIMUM RESISTIVE LOAD vs LOAD VOLTAGE

FIGURE 3. HC AND HCU TRANSITION TIMES AND PROPAGA-

TION DELAY TIMES, COMBINATION LOGIC

FIGURE 4. HCT TRANSITION TIMES AND PROPAGATION

DELAY TIMES, COMBINATION LOGIC

INPUT LEVEL

tPZL

VOH

OUTPUT

Ω

VCC

50pF

VOL

90%

10%

tTHL

OUTPUT

OPEN

DRAIN

NAND

GATE

VCC

nB(nA)

OUTPUT

tPLZ

nA(nB)

LOW

OFF

LOW

VCC = 5V

±10%

HC/HCT03

RON

0.8V (HCT VIL MAX)

≤ 1.35V (HC VIL MAX)

RON MAX =

Ω AT 25oC

4mA

0.26V

800

700

600

500

400

300

200

100

0123456789

VL, LOAD VOLTAGE (V)

HCT

tPHL

tPLH

tTHL

tTLH

90%

50%

10%

50%

10%

INVERTING

OUTPUT

INPUT

GND

VCC

tr = 6ns

tf = 6ns

90%

tPHL

tPLH

tTHL

tTLH

2.7V

1.3V

0.3V

1.3V

10%

INVERTING

OUTPUT

INPUT

GND

tr = 6ns

tf = 6ns

90%

CD54HC03, CD74HC03, CD54HCT03, CD74HCT03

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