No. |
Part Name |
Description |
Manufacturer |
31 |
74LS251 |
LOW POWER SCHOTTKY |
ON Semiconductor |
32 |
74LS251 |
DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
Texas Instruments |
33 |
74LS253 |
Dual 4-Input Multiplexer (With 3-State Outputs) |
Fairchild Semiconductor |
34 |
74LS253 |
3-STATE Data Selector/Multiplexer |
Fairchild Semiconductor |
35 |
74LS256 |
Dual 4-Bit addressable LATCH |
Fairchild Semiconductor |
36 |
74LS257 |
Quad 2-Input Multiplexer (With 3-State Outputs) |
Fairchild Semiconductor |
37 |
74LS257 |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
38 |
74LS257 |
Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs) |
Hitachi Semiconductor |
39 |
74LS257 |
Quad Data Selectors/Multiplexers (noninverted 3-state outputs) |
IPRS Baneasa |
40 |
74LS257 |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
41 |
74LS257 |
LOW POWER SCHOTTKY |
ON Semiconductor |
42 |
74LS257 |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
Texas Instruments |
43 |
74LS257A |
QUAD 2-Input multiplexer (With 3-State Outputs) |
Fairchild Semiconductor |
44 |
74LS258 |
Quad 2-Input Multiplexer (With 3-State Outputs) |
Fairchild Semiconductor |
45 |
74LS258 |
Quad data selectors/multiplexers (inverted 3-state outputs) |
IPRS Baneasa |
46 |
74LS258A |
Quad 2-Input Multiplexer(With 3-State Outputs) |
Fairchild Semiconductor |
47 |
74LS259 |
8-BIT addressable LATCH |
Fairchild Semiconductor |
48 |
74LS259 |
8-Bit Addressable Latches |
Fairchild Semiconductor |
49 |
DL251D |
2 AND/NOR gates with 2 x 2 inputs each (TTL low-power Schottky series), possibly equivalent SN74LS251N |
RFT |
50 |
DL253D |
AND/NOR gate with 4 x 2 inputs (TTL low-power Schottky series), possibly equivalent SN74LS253N |
RFT |
51 |
DL257D |
Four 2 on 1 multiplexers (TTL low-power Schottky series), possibly equivalent SN74LS257N |
RFT |
52 |
DL259D |
8 bit latch, addressable, with enable and clear (TTL low-power Schottky series), possibly equivalent SN74LS259N |
RFT |
53 |
DM54LS25 |
8-Bit Addressable Latches |
National Semiconductor |
54 |
DM54LS251 |
TRI-STATE 1-of-8 Line Data Selector/Multiplexer with Complementary Outputs |
National Semiconductor |
55 |
DM54LS251J |
TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
56 |
DM54LS251W |
TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
57 |
DM54LS253 |
Dual TRI-STATE 1-of-4 Line Data Selector/Multiplexer |
National Semiconductor |
58 |
DM54LS253J |
TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
59 |
DM54LS253W |
TRI-STATE Data Selectors/Multiplexers |
National Semiconductor |
60 |
DM54LS257B |
Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer |
National Semiconductor |
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