| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | DM54LS451 |  115Kb/3P | DM54LS451/DM74LS451 DUAL 8:1 Multiplexer |
 National Semiconductor ... | DM54LS450 |  128Kb/6P | 16:1 Multiplexer |
| DM54LS450J |  128Kb/6P | 16:1 Multiplexer |
| DM54LS453 |  61Kb/3P | QUAD 4:1 MULTIPLEXER |
 National Semiconductor ... | DM54LS42J |  128Kb/6P | Decimal Decoders |
| DM54LS42W |  128Kb/6P | Decimal Decoders |
| DM54LS447 |  126Kb/6P | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
| DM54LS447J |  126Kb/6P | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
| DM54LS447W |  126Kb/6P | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
| DM54LS460 |  60Kb/3P | 10-Bit Comparator |
| DM54LS460J |  60Kb/3P | 10-Bit Comparator |
| DM54LS461J |  120Kb/4P | Octal Counter |
| DM54LS469 |  124Kb/4P | DM54LS469/DM74LS469 8-Bit Up/Down Counter |
| DM54LS469J |  124Kb/4P | DM54LS469/DM74LS469 8-Bit Up/Down Counter |
| DM54LS471 |  121Kb/4P | (256 X 8) 2048-BIT TTL PROM |
| DM54LS471J |  121Kb/4P | (256 X 8) 2048-BIT TTL PROM |
 National Semiconductor ... | DM54LS491 |  136Kb/4P | 10-Bit Counter |