No. |
Part Name |
Description |
Manufacturer |
1 |
HD74LS20 |
Dual 4-input Positive NAND Gates |
Hitachi Semiconductor |
2 |
HD74LS20 |
Dual 4-input NAND Gates |
Hitachi Semiconductor |
3 |
HD74LS21 |
Dual 4-input Positive AND Gates |
Hitachi Semiconductor |
4 |
HD74LS21 |
Dual 4-input AND Gates |
Hitachi Semiconductor |
5 |
HD74LS22 |
Dual 4-Input Positive NAND Gates |
Hitachi Semiconductor |
6 |
HD74LS22 |
Dual 4-input NAND Gates with Open Collector output |
Hitachi Semiconductor |
7 |
HD74LS221 |
Dual Monostable Multivibrators |
Hitachi Semiconductor |
8 |
HD74LS221 |
Dual Monostable Multivibrators |
Hitachi Semiconductor |
9 |
HD74LS240 |
Octal Buffers/Line Drivers/Line Receivers with inverted 3-state outputs |
Hitachi Semiconductor |
10 |
HD74LS240 |
Octal Buffers/Line Drivers/Line Receivers |
Hitachi Semiconductor |
11 |
HD74LS240P |
Octal buffers/line drivers/line receivers |
Hitachi Semiconductor |
12 |
HD74LS241 |
Octal Buffers/Line Drivers/Line Receivers with non-inverted 3-state outputs |
Hitachi Semiconductor |
13 |
HD74LS241 |
Octal Buffers/Line Drivers/Line Receivers |
Hitachi Semiconductor |
14 |
HD74LS242 |
Quad Bus Transceivers |
Hitachi Semiconductor |
15 |
HD74LS242 |
Quad. Bus Transceivers with inverted 3-state outputs |
Hitachi Semiconductor |
16 |
HD74LS243 |
Quad Bus Transceivers |
Hitachi Semiconductor |
17 |
HD74LS243 |
Quad. Bus Transceivers with non-inverted 3-state outputs |
Hitachi Semiconductor |
18 |
HD74LS244 |
Octal Buffers/Line Drivers/Line Receivers with non-inverted 3-state outputs |
Hitachi Semiconductor |
19 |
HD74LS244 |
Octal Buffers/Line Drivers/Line Receivers |
Hitachi Semiconductor |
20 |
HD74LS245 |
Octal Bus Transceivers |
Hitachi Semiconductor |
21 |
HD74LS245 |
Octal Bus Transceivers with 3-state outputs |
Hitachi Semiconductor |
22 |
HD74LS247 |
BCD to Seven Segment Decoders/Drivers |
Hitachi Semiconductor |
23 |
HD74LS247 |
BCD-to-Seven Segment Decode/Driver with 15V outputs |
Hitachi Semiconductor |
24 |
HD74LS248 |
BCD to Seven Segment Decoders/Drivers |
Hitachi Semiconductor |
25 |
HD74LS248 |
BCD-to-Seven Segment Decode/Driver with Internal Pull-up outputs |
Hitachi Semiconductor |
26 |
HD74LS249 |
BCD-to-Seven Segment Decode/Driver with Open Collector outputs |
Hitachi Semiconductor |
27 |
HD74LS249 |
BCD to Seven Segment Decoders/Drivers |
Hitachi Semiconductor |
28 |
HD74LS251 |
1 of 8 Data Selectors/Multiplexers |
Hitachi Semiconductor |
29 |
HD74LS251 |
1-of-8 Data Selector/Multiplexer with strobe and 3-state outputs |
Hitachi Semiconductor |
30 |
HD74LS253 |
Dual 4 line-to-1 line Data Selector/Multiplexer with 3-state outputs |
Hitachi Semiconductor |
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