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CD74HC283 Datasheet(Fiches technique) 5 Page - Texas Instruments

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Numéro de pièce CD74HC283
Description  High Speed CMOS Logic 4-Bit Binary Full Adder with Fast Carry
Télécharger  6 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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5
Input Capacitance
CIN
-
-
-
-
10
-
10
-
10
pF
Power Dissipation
Capacitance, (Notes 5, 6)
CPD
-5
-
82
-
-
-
-
-
pF
NOTES:
5. CPD is used to determine the dynamic power consumption, per package.
6. PD = VCC
2 f
i (CPD + CL) where: fi = Input Frequency, CL = Output Load Capacitance, VCC = Supply Voltage.
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. HC AND HCU TRANSITION TIMES AND PROPAGA-
TION DELAY TIMES, COMBINATION LOGIC
FIGURE 2. HCT TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
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
3V
tr = 6ns
tf = 6ns
90%
CD74HC283, CD74HCT283




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