| 6401 | 100371MW8 | Low Power Triple 4-Input Multiplexer with Enable | National Semiconductor |
| 6402 | 100371PC | Low Power Triple 4-Input Multiplexer with Enable | Fairchild Semiconductor |
| 6403 | 100371QC | Low Power Triple 4-Input Multiplexer with Enable | Fairchild Semiconductor |
| 6404 | 100371QCQR | Low power triple 4-input multiplexer with enable. Commercial grade device with burn-in. | National Semiconductor |
| 6405 | 100371QCX | Low Power Triple 4-Input Multiplexer with Enable | Fairchild Semiconductor |
| 6406 | 100371QI | Low Power Triple 4-Input Multiplexer with Enable | Fairchild Semiconductor |
| 6407 | 100371QIX | Low Power Triple 4-Input Multiplexer with Enable | Fairchild Semiconductor |
| 6408 | 100371QMQB | Low power triple 4-input multiplexer with enable. Military grade device with environmental and burn-in processing. | National Semiconductor |
| 6409 | 100371SC | Low Power Triple 4-Input Multiplexer with Enable | Fairchild Semiconductor |
| 6410 | 100371SCX | Low Power Triple 4-Input Multiplexer with Enable | Fairchild Semiconductor |
| 6411 | 100390 | Low Power Single Supply Hex PECL-to-TTL Translator | Fairchild Semiconductor |
| 6412 | 100390 | Low Power Single Supply Hex ECL-to-TTL Translator | National Semiconductor |
| 6413 | 100390PC | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6414 | 100390QC | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6415 | 100390QCX | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6416 | 100390QI | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6417 | 100390QIX | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6418 | 100390SC | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6419 | 100390SCX | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
|
| 6420 | 100391 | Low Power Single Supply Hex TTL-to-PECL Translator | Fairchild Semiconductor |
| 6421 | 100391 | Single Supply Hex TTL-to-ECL Translator | National Semiconductor |
| 6422 | 100391PC | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6423 | 100391QC | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6424 | 100391QCX | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6425 | 100391QI | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6426 | 100391QIX | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6427 | 100391SC | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6428 | 100391SCX | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6429 | 100393 | Low Power 9-Bit ECL-to-TTL Translator with Latches | Fairchild Semiconductor |
| 6430 | 100393 | Low Power 9-Bit ECL-to-TTL Translator with Latches | National Semiconductor |
| 6431 | 100393QC | Low Power 9-Bit ECL-to-TTL Translator with Latches | Fairchild Semiconductor |
| 6432 | 100393QCX | Low Power 9-Bit ECL-to-TTL Translator with Latches | Fairchild Semiconductor |
| 6433 | 100395 | Low Power 9-Bit ECL-to-TTL Translator with Registers | Fairchild Semiconductor |
| 6434 | 100395 | Low Power 9-Bit ECL-to-TTL Translator with Registers | National Semiconductor |
| 6435 | 100395CW | Low Power 9-Bit ECL-to-TTL Translator with Registers | Fairchild Semiconductor |
| 6436 | 100395QC | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6437 | 100395QCX | Low Power Hex TTL-to-ECL Translator | Fairchild Semiconductor |
| 6438 | 100397 | Quad Differential ECL/TTL Translating Transceiver with Latch | Fairchild Semiconductor |
| 6439 | 100397 | Quad Differential ECL/TTL Translating Transceiver with Latch | National Semiconductor |
| 6440 | 100397PC | Quad Differential ECL/TTL Translating Transceiver with Latch | Fairchild Semiconductor |
