| Fabricante Electrônico | Nome de Peças | Folha de dados | Descrição Electrónicos |
 National Semiconductor ... | 54161 |  211Kb/8P | SYNCHRONOUS 4-BIT COUNTERS |
| 54161DMQB |  211Kb/8P | SYNCHRONOUS 4-BIT COUNTERS |
| 54161FMQB |  211Kb/8P | SYNCHRONOUS 4-BIT COUNTERS |
 National Semiconductor ... | 54161DMQB |  211Kb/ 8P | SYNCHRONOUS 4-BIT COUNTERS |
| 54161FMQB |  211Kb/ 8P | SYNCHRONOUS 4-BIT COUNTERS |
 National Semiconductor ... | 54165 |  109Kb/ 6P | 8-Bit Parallel-to-Serial Converter August 1989 |
 National Semiconductor ... | 54165DMQB |  109Kb/ 6P | 8-Bit Parallel-to-Serial Converter August 1989 |