| 型号 | 厂家 | 描述 | 大小 | 页数 | 厂家标志 |
|---|---|---|---|---|---|
| SN74LS195ADR | KB | ||||
| SN74LS194AFK | KB | ||||
| SN74LS125ADRG4 | TEXAS INSTRUMENTS | QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS | 648 KB | 22 |  |
| SN74LS273M | TEXAS INSTRUMENTS | QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS | 648 KB | 22 | |
| SN74LS266NE4 | TEXAS INSTRUMENTS | QUADRUPLE 2-INPUT EXCLUSIVE-NOR GATES WITH OPEN-COLLECTOR OUTPUTS | 610 KB | 12 | |
| SN74LS24 | TEXAS INSTRUMENTS | QUADRUPLE 2-INPUT EXCLUSIVE-NOR GATES WITH OPEN-COLLECTOR OUTPUTS | 610 KB | 12 | |
| SN74LS241M | TEXAS INSTRUMENTS | QUADRUPLE 2-INPUT EXCLUSIVE-NOR GATES WITH OPEN-COLLECTOR OUTPUTS | 610 KB | 12 | |
| SN74LS249N | MOTOROLA | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS | 280 KB | 8 |  |
| SN74LS251NS | MOTOROLA | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS | 280 KB | 8 | |
| SN74LS280ND | MOTOROLA | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS | 280 KB | 8 | |
| SN74LS38DR2 | MOTOROLA | BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS | 280 KB | 8 | |
| SN74LS444N | TEXAS INSTRUMENTS | QUADRUPLE TRIDIRECTIONAL BUS TRANSCEIVERS | 288 KB | 7 | |
| SN74LS449N | TEXAS INSTRUMENTS | QUADRUPLE BUS TRANSCEIVERS WITH INDIVIDUAL DIRECTION CONTROLS | 230 KB | 7 | |
| SN74LS645N-1N | TEXAS INSTRUMENTS | QUADRUPLE BUS TRANSCEIVERS WITH INDIVIDUAL DIRECTION CONTROLS | 230 KB | 7 | |
| SN74LS74ANE4 | TEXAS INSTRUMENTS | DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR | 699 KB | 18 | |
| SN74LS74D | MOTOROLA | DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOP | 73 KB | 3 | |
