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CD54HCT32 Datasheet(Fiches technique) 5 Page - Texas Instruments

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Numéro de pièce CD54HCT32
Description  High Speed CMOS Logic Quad 2-Input OR Gate
Télécharger  6 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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5
Input Capacitance
CI
-
-
-
-
10
-
10
-
10
pF
Power Dissipation Capacitance
(Notes 5, 6)
CPD
-
5
-
22
-
----
pF
HCT TYPES
Propagation Delay, Input to
Output (Figure 2)
tRHL, tPHL CL = 50pF
4.5
-
-
24
-
30
-
36
ns
Propagation Delay, Data Input to
Output Y
tPLH, tPHL CL = 15pF
5
-
9
-
----
ns
Transition Times (Figure 2)
tTLH, tTHL CL = 50pF
4.5
-
-
15
-
19
-
22
ns
Input Capacitance
CI
-
-
-
-
10
-
10
-
10
pF
Power Dissipation Capacitance
(Notes 5, 6)
CPD
-
5
-
22
-
----
pF
NOTES:
5. CPD is used to determine the dynamic power consumption, per gate.
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
-55oCTO125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
Test Circuits and Waveforms
FIGURE 1. HC AND HCT 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%
CD54HCT32, CD74HC32, CD74HCT32




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