SN74LS490 и другие
| Компонент | Описание | Производитель | |
| SN74LS49 | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS |
Texas Instruments |
 |
| SN74LS490 | DUAL 4-BIT DECADE COUNTERS |
Texas Instruments |
|
| SN74LS490D | DUAL DECADE COUNTER |
Motorola, Inc |
|
| SN74LS490N | DUAL DECADE COUNTER |
Motorola, Inc |
|
| SN74LS491A | 10-Bit Counter SN54/74LS491A |
List of Unclassifed Manufacturers |
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| SN74LS49D | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS |
Texas Instruments |
|
| SN74LS49N | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS |
Texas Instruments |
|