No. |
Part Name |
Description |
Manufacturer |
1 |
54LS253 |
Dual TRI-STATE 1-of-4 Line Data Selector/Multiplexer |
National Semiconductor |
2 |
54LS253DMQB |
TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
3 |
54LS253FMQB |
TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
4 |
54LS253LMQB |
TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
5 |
54LS256 |
Dual 4-Bit Addressable Latch |
National Semiconductor |
6 |
54LS256DMQB |
Dual 4-Bit Addressable Latch |
National Semiconductor |
7 |
54LS256FMQB |
Dual 4-Bit Addressable Latch |
National Semiconductor |
8 |
54LS257 |
QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS |
Motorola |
9 |
54LS257 |
Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer |
National Semiconductor |
10 |
54LS257A |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
11 |
54LS257ADMQB |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
12 |
54LS257AFMQB |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
13 |
54LS257ALMQB |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
14 |
54LS258 |
Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer (Inverting) |
National Semiconductor |
15 |
54LS258ADMQB |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
16 |
54LS258AFMQB |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
17 |
54LS258ALMQB |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
18 |
74LS251 |
3-STATE 1-of-8 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
19 |
74LS251 |
1 of 8 Data Selectors/Multiplexers(with strobe and three-state outputs) |
Hitachi Semiconductor |
20 |
74LS251 |
LOW POWER SCHOTTKY |
ON Semiconductor |
21 |
74LS251 |
DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
Texas Instruments |
22 |
74LS253 |
3-STATE Data Selector/Multiplexer |
Fairchild Semiconductor |
23 |
74LS257 |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
24 |
74LS257 |
Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs) |
Hitachi Semiconductor |
25 |
74LS257 |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
26 |
74LS257 |
LOW POWER SCHOTTKY |
ON Semiconductor |
27 |
74LS257 |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
Texas Instruments |
28 |
74LS259 |
8-Bit Addressable Latches |
Fairchild Semiconductor |
29 |
DL251D |
2 AND/NOR gates with 2 x 2 inputs each (TTL low-power Schottky series), possibly equivalent SN74LS251N |
RFT |
30 |
DL253D |
AND/NOR gate with 4 x 2 inputs (TTL low-power Schottky series), possibly equivalent SN74LS253N |
RFT |
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