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Datasheet 74LS28 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 6 | 74LS28 | QUAD 2-INPUT NOR BUFFER SN54/74LS28 QUAD 2-INPUT NOR BUFFER
QUAD 2-INPUT NOR BUFFER
VCC 14 13 12 11 10 9 8
LOW POWER SCHOTTKY
1
2
3
4
5
6
7 GND
14 1
J SUFFIX CERAMIC CASE 632-08
14 1
N SUFFIX PLASTIC CASE 646-06
14 1
D SUFFIX SOIC CASE 751A-02
ORDERING INFORMATION
SN54LSXXJ SN74LSXXN SN74LSXXD Ceramic Plasti |
 Motorola Semiconductors |
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| 5 | 74LS280 | LOW POWER SCHOTTKY SN74LS280 9-Bit Odd/Even Parity Generators/Checkers
The SN74LS280 is a Universal 9-Bit Parity Generator / Checker. It features odd / even outputs to facilitate either odd or even parity. By cascading, the word length is easily expanded. The LS280 is designed without the expander input implementation |
 ON Semiconductor |
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| 4 | 74LS280 | 9-bit Odd/Even Parity Generators/Checkers 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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| 3 | 74LS283 | 4-Bit Binary Adders with Fast Carry 54LS283 DM54LS283 DM74LS283 4-Bit Binary Adders with Fast Carry
June 1989
54LS283 DM54LS283 DM74LS283 4-Bit Binary Adders with Fast Carry
General Description
These full adders perform the addition of two 4-bit binary numbers The sum (R) outputs are provided for each bit and the resultant carry (C4 |
 National Semiconductor |
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