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PDF 74HCT4518 Data sheet ( Hoja de datos )
| Número de pieza | 74HCT4518 | |
| Descripción | Dual synchronous BCD counter | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT4518
Dual synchronous BCD counter
Product specification
File under Integrated Circuits, IC06
December 1990
1 page  
Philips Semiconductors
Dual synchronous BCD counter
Product specification
74HC/HCT4518
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL
PARAMETER
74HC
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLH propagation delay
nCP0, nCP1 to nQn
tPHL propagation delay
nMR to nQn
66 210
24 42
19 36
44 150
16 30
13 26
265
53
45
190
38
33
315 ns
63
59
225 ns
45
38
2.0 Fig.9
4.5
6.0
2.0 Fig.8
4.5
6.0
tTHL/ tTLH output transition time
19 75
7 15
6 13
95
19
16
110 ns
22
19
2.0 Fig.9
4.5
6.0
tW clock pulse width 80 25
HIGH or LOW
16 9
14 7
100 120
20 24
17 20
tW master reset pulse width 120 39
HIGH
24 14
20 11
150 180
30 36
26 31
trem removal time
0 −22
nMR to nCP0, nCP1 0 −8
0 −6
0
0
0
0
0
0
tsu set-up time
nCP1 to nCP0;
nCP0 to nCP1
80 22
16 8
14 6
100 120
20 24
17 20
fmax maximum clock pulse 6.0 18 4.8 4.0
frequency
30 55
24
20
nCP0, nCP1
35 66
28
24
ns
ns
ns
ns
MHz
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Fig.8
Fig.8
Fig.8
Fig.7
Fig.8
December 1990
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet 74HCT4518.PDF ] | |
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