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Datasheet HD74LS27 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 3 | HD74LS27 | Triple 3-input Positive NOR Gates Unit: mm
19.20 20.32 Max 14 8 6.30 7.40 Max 1
2.39 Max
1.30
7 7.62
0.51 Min
2.54 Min 5.06 Max
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
+ 0.10
Hitachi Code JEDEC EIAJ Weight (reference value)
DP-14 Conforms Conforms 0.97 g
Unit: mm
10.06 10.5 Max 14 8 5.5 1 7 *0.22 ± 0.05 0.20 |
 Hitachi Semiconductor |
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| 2 | HD74LS273 | Octal D-type Positive-edge-triggered Flip-Flops(with Clear) Unit: mm
24.50 25.40 Max 20 11 7.00 Max 6.30 1 0.89
1.27 Max
10 1.30 2.54 Min 5.08 Max 7.62
0.51 Min
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
+ 0.11
Hitachi Code JEDEC EIAJ Weight (reference value)
DP-20N — Conforms 1.26 g
Unit: mm
12.6 13 Max
20
11
1
10
5.5
0.80 Max
2. |
Hitachi Semiconductor |
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| 1 | HD74LS279 | Quadruple S-R Latches 19.20 20.00 Max 16 9 7.40 Max 6.30
Unit: mm
1 1.3
1.11 Max
8
0.51 Min
2.54 Min 5.06 Max
7.62
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
Hitachi Code JEDEC EIAJ Weight (reference value)
+ 0.13
DP-16 Conforms Conforms 1.07 g
Unit: mm
10.06 10.5 Max 16 9
5.5
1
*0.22 ± 0.05 0.20 |
Hitachi Semiconductor |
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