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CD74HC123 Datasheet(Fiches technique) 7 Page - Harris Corporation

Numéro de pièce CD74HC123
Description  High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Resets
Télécharger  7 Pages
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Fabricant  HARRIS [Harris Corporation]
Site Internet  http://www.harris.com
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7
Test Circuits and Waveforms
FIGURE 1. OUTPUT PULSE CONTROL USING RESET INPUT
(R) PULSE FOR 123
FIGURE 2. OUTPUT PULSE CONTROL USING RESET INPUT
(R) FOR 423
FIGURE 3. TRIGGERING OF ONE SHOT BY INPUT A OR INPUT B FOR A PERIOD tW
FIGURE 4. TYPICAL OUTPUT PULSE WIDTH AS A FUNCTION
OF CX FOR RX = 10kΩ AND 100kΩ
FIGURE 5. TYPICAL “K” FACTOR AS A FUNCTION OF VCC
B = LOW
A = HIGH
tW
tW
VS
VS
Q
R
B
A
tW
tW
A
B
R
B = LOW
A = HIGH
Q
tW
VS
VS
tW
tW
A
B
B
A
Q
trT
(R = HIGH)
tW
tW
tW
tW
NOTE: Output pulse control using retrigger pulse for 123 and 423.
VS
2
4
6
8
103
102
101
2
4
6
8
2
4
6
8
2
4
6
8
EXTERNAL CAPACITANCE (CX) - pF
24 6 8
103
104
2
4 68
2
4 68
2
4 68
105
106
107
R X
=
100k
R X
=
10k
DC SUPPLY VOLTAGE (VCC) = 5V
AMBIENT TEMPERATURE (TA) = 25
oC
EXTERNAL CAPACITANCE (CX) = 10nF
EXTERNAL RESISTANCE (RX) = 10kΩ TO 100kΩ
AMBIENT TEMPERATURE (TA) = 25
oC
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
12
3
4
5
6
7
8
9
10
11
HCT
DC SUPPLY VOLTAGE (VCC) - VOLTS
CD74HC123, CD74HCT123, CD74HC423, CD74HCT423




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Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
CD74HC123High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Resets 1 2 3 4 5 MoreTexas Instruments
CD54HC123High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Resets 1 2 3 4 5 MoreTexas Instruments
CD74HC221High Speed CMOS Logic Dual Monostable Multivibrator with Reset 1 2 3 4 5 MoreTexas Instruments
CD54HC4538High Speed CMOS Logic Dual Retriggerable Precision Monostable Multivibrator 1 2 3 4 5 MoreTexas Instruments
CD74HC03High Speed CMOS Logic Quad 2-Input NAND Gate with Open Drain 1 2 3 4 5 MoreTexas Instruments
CD74HC4015High Speed CMOS Logic Dual 4-Stage Static Shift Register 1 2 3 4 5 MoreTexas Instruments
CD74HC4518High Speed CMOS Logic Dual Synchronous Counters 1 2 3 4 5 MoreTexas Instruments
CD74HC273High Speed CMOS Logic Octal D-Type Flip-Flop with Reset 1 2 3 4 5 MoreTexas Instruments
CD74HC4017High Speed CMOS Logic Decade Counter/Divider with 10 Decoded Outputs 1 2 3 4 5 MoreTexas Instruments
CD74HC283High Speed CMOS Logic 4-Bit Binary Full Adder with Fast Carry 1 2 3 4 5 MoreTexas Instruments

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