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CD74HC4518 Datasheet(Fiches technique) 2 Page - Texas Instruments

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Numéro de pièce CD74HC4518
Description  High Speed CMOS Logic Dual Synchronous Counters
Télécharger  8 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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 2 page
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2
Functional Diagram
TRUTH TABLE
CP
E
MR
OUTPUT STATE
H
L
Increment Counter
L
L
Increment Counter
X
L
No Change
X
L
No Change
L
L
No Change
H
L
No Change
XX
H
Q0 thru Q3 = L
NOTE:
H = High State.
L
= Low State.
↑ = High-to-Low Transition.
↓ = Low-to-High Transition.
X = Don’t Care.
1CP
1Q2
5
6
1Q3
1Q1
4
1Q0
3
1
1E
2
CL
R
1MR
7
÷10/÷16
2CP
2Q2
13
14
2Q3
2Q1
12
2Q0
11
9
2E
10
CL
R
2MR
15
÷10/÷16
GND = 8
VCC = 16
CD74HC4518, CD74HC4520, CD74HCT4520




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Numéro de composants électroniques

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CD74HC20High Speed CMOS Logic Dual 4-Input NAND Gate 1 2 3 4 5 MoreTexas Instruments

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