| 型號 | 廠商 | 描述 |
| hd74ls170 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SO 0 to 70 |
| hd74ls174 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls175 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls190 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls191 2 3 4 5 6 7 |
Hitachi,Ltd. | Synchronous Up/Down 4-bit Binary Counters(single clock line) |
| hd74ls192 2 3 4 5 6 7 |
Hitachi,Ltd. | Synchronous Up/Down Decade Counters(dual clock lines) |
| hd74ls193 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls194 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-PDIP 0 to 70 |
| hd74ls194a 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-PDIP 0 to 70 |
| hd74ls195a 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SO 0 to 70 |
| hd74ls20 2 3 4 5 |
Hitachi,Ltd. | Dual 4-input Positive NAND Gates(雙4輸入正與非門) |
| hd74ls21 2 3 4 5 |
Hitachi,Ltd. | Dual 4-input Positive AND Gates(雙4輸入正與門) |
| hd74ls221 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls22 2 3 4 5 |
Hitachi,Ltd. | Dual 4-input Positive NAND Gates(雙4輸入正與非門) |
| hd74ls240 2 3 4 5 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls241 2 3 4 5 |
Hitachi,Ltd. | Octal Buffers/Line Drivers/Line Receivers |
| hd74ls242 2 3 4 5 6 |
Hitachi,Ltd. | Quadruple Bus Transceivers(with three-state outputs) |
| hd74ls243 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls244 2 3 4 5 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-PDIP 0 to 70 |
| hd74ls247 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SO 0 to 70 |
| hd74ls248 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SO 0 to 70 |
| hd74ls249 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SO 0 to 70 |
| hd74ls251 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls253 2 3 4 5 6 7 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls257 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls258 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls259 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls266 2 3 4 5 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-PDIP 0 to 70 |
| hd74ls26 2 3 4 5 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls273 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SO 0 to 70 |
| hd74ls279 2 3 4 5 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SO 0 to 70 |
| hd74ls27 2 3 4 5 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-PDIP 0 to 70 |
| hd74ls280 2 3 4 5 6 |
Hitachi,Ltd. | Dual Very-High Speed, High-Current Peripheral Drivers 8-SO 0 to 70 |
| hd74ls283 2 3 4 5 6 7 |
Hitachi,Ltd. | 4-bit Binary Full Adders |
| hd74ls293 2 3 4 5 6 7 |
Hitachi,Ltd. | 4-bit Binary Counters |
| hd74ls298 2 3 4 5 6 |
Hitachi,Ltd. | Dual High-Voltage, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls299 2 3 4 5 6 |
Hitachi,Ltd. | Dual High-Voltage, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls30 2 3 4 5 |
Hitachi,Ltd. | Dual High-Voltage, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls32 2 3 4 5 |
Hitachi,Ltd. | Dual High-Voltage, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls365a 2 3 4 5 6 |
Hitachi,Ltd. | Dual High-Voltage, High-Current Peripheral Drivers 8-SOIC 0 to 70 |
| hd74ls366a 2 3 4 5 |
Hitachi,Ltd. | Hex Bus Drivers(with three-state outputs) |
| hd74ls393rp(smd) 2 3 4 5 6 |
Hitachi,Ltd. | DUAL 4-BIT BINARY COUNTERS |
| hd74ls393 2 3 4 5 6 |
Hitachi,Ltd. | DUAL 4-BIT BINARY COUNTERS |
| hd74ls393fp(smd) 2 3 4 5 6 |
Hitachi,Ltd. | DUAL 4-BIT BINARY COUNTERS |
| hd74ls393p(dip) 2 3 4 5 6 |
Hitachi,Ltd. | DUAL 4-BIT BINARY COUNTERS |
| hd74ls40 2 3 4 5 |
Hitachi,Ltd. | Dual 4-input Positive NAND Buffers(雙4輸入正與非緩沖器) |
| hd74ls42 2 3 4 5 6 |
Hitachi,Ltd. | BCD-to-Decimal Decoders(BCD-十進制譯碼器) |
| hd74ls47 2 3 4 5 6 7 |
Hitachi,Ltd. | BCD-to-Seven-Segment Decoder/Driver(BCD-7段碼譯碼器/驅動器) |
| hd74ls47p(dip) 2 3 4 5 6 7 |
Hitachi,Ltd. | BCD-to-Seven Segment Decoder Driver(with 15V outputs) |
| hd74ls48 2 3 4 5 6 |
Hitachi,Ltd. | BCD-to-Seven-Segment Decoder/Driver(BCD-7段碼譯碼器/驅動器) |