| 型号 | 厂家 | 描述 | 大小 | 页数 | 厂家标志 |
|---|---|---|---|---|---|
| DM74LS471N | National Semiconductor | (256 X 8) 2048-BIT TTL PROM | 128 KB | 4 |  |
| DM74F521SCX | National Semiconductor | (256 X 8) 2048-BIT TTL PROM | 128 KB | 4 | |
| DM74AS645N | National Semiconductor | (256 X 8) 2048-BIT TTL PROM | 128 KB | 4 | |
| DM74S472J | National Semiconductor | (512 x 8) 4096-Bit TTL PROM | 84 KB | 4 | |
| DM74LS54N | National Semiconductor | 4-WIDE, 2-INPUT AND-OR-INVERT GATE | 52 KB | 2 | |
| DM74VHC08 | National Semiconductor | 4-WIDE, 2-INPUT AND-OR-INVERT GATE | 52 KB | 2 | |
| DM74LS107AN | National Semiconductor | Dual Negative-Edge- Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs | 119 KB | 6 | |
| DM74LS132 | FAIRCHILD | Quad 2-Input NAND Gate with Schmitt Trigger Input | 57 KB | 5 |  |
| DM74LVQ32SCX | FAIRCHILD | Quad 2-Input NAND Gate with Schmitt Trigger Input | 57 KB | 5 | |
| DM74ALS564AWMX | FAIRCHILD | Octal D-Type Flip-Flop | 59 KB | 0 | |
| DM74AS244SJ | FAIRCHILD | Octal D-Type Flip-Flop | 59 KB | 0 | |
| DM7495N | National Semiconductor | 4-Bit Parallel Access Shift Registers | 116 KB | 6 | |
| DM74F20PC | National Semiconductor | 4-Bit Parallel Access Shift Registers | 116 KB | 6 | |
| DM74AS257SJ | National Semiconductor | 4-Bit Parallel Access Shift Registers | 116 KB | 6 | |
| DM74ALS874BWMX | National Semiconductor | Dual D-Type Flip-Flop | 59 KB | 0 | |
| DM74F27 | National Semiconductor | Dual D-Type Flip-Flop | 59 KB | 0 | |
