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PDF 74HCT251 Data sheet ( Hoja de datos )
| Número de pieza | 74HCT251 | |
| Descripción | 8-input multiplexer; 3-state | |
| 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/HCT251
8-input multiplexer; 3-state
Product specification
File under Integrated Circuits, IC06
December 1990
1 page  
Philips Semiconductors
8-input multiplexer; 3-state
Product specification
74HC/HCT251
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
In to Y
tPHL/ tPLH propagation delay
In to Y
50 170
18 34
14 29
55 175
20 35
16 30
215
43
37
220
44
37
255 ns
51
43
265 ns
53
45
2.0 Fig.6
4.5
6.0
2.0 Fig.7
4.5
6.0
tPHL/ tPLH propagation delay
Sn to Y
66 205
24 41
19 35
255
51
43
310 ns
62
53
2.0 Fig.6
4.5
6.0
tPHL/ tPLH propagation delay
Sn to Y
tPZH/ tPZL 3-state output enable time
OE to Y, Y
69 205
25 41
20 35
36 140
13 28
10 24
255
51
43
175
35
30
310 ns
62
53
210 ns
42
36
2.0 Fig.7
4.5
6.0
2.0 Fig.7
4.5
6.0
tPHZ/ tPLZ 3-state output disable time
OE to Y, Y
39 140
14 28
11 24
170
35
30
210 ns
42
36
2.0 Fig.7
4.5
6.0
tTHL/ tTLH output transition time
19 75
7 15
6 13
95
19
16
110 ns
22
19
2.0 Figs 6 and 7
4.5
6.0
December 1990
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet 74HCT251.PDF ] | |
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