| Device | Features | Data Frame Length | Data Rate | Package Type | Temp Range | MSRP ($/1K Units) |
| HD-4702 | Low Power Dissipation, Conforms to EIA RS-404, One HD-4702 Controls up to Eight Transmission Channels, Initialization Circuit Facilitates Diagnostic Fault Isolation, On-Chip Input Pull-Up Circuit | N/A | N/A | CERDIP16, PDIP16 | -55 to 125 | $7.48 |
| HS-3282 | Asynchronous Receiver, ARINC Specification 429 Compliant, Single 5V Supply | 25-Bit or 32-Bit Word | 100k Bit/s or 12.5 kBit/s | CERDIP40, CLCC44 | -55 to 125 | $53.32 |
| HD-6408 | Independent Encoder and Decoder, No DC Component Allowing Transformer Coupling, High Noise Imm | 16 | 1 MBit/s | CERDIP24, PDIP24 | -40 to 85 | $35.24 |
| HD-6409 | Independent Encoder and Decoder, No DC Component Allowing Transformer Coupling, High Noise Imm | Complete Variable | 1 MBit/s | PDIP20, SOIC20 | -40 to 85 | $20.18 |
| HD-15531 | Sync Identification and Lock-In, Separate Manchester II Encode, Decode, Low Operating Power 50mW at 5V | 32 | 1.25 MBit/s | CERDIP40 | -55 to 125 | $360.12 |
| HS-3182 | TTL and CMOS Compatible Inputs, Adjustable Rise and Fall Times via Two External Capacitors, Asynchronous Line Driver | N/A | 100 kBit/s | CLCC28, SBDIP16 | -55 to 125 | $50.94 |
| HD-15530 | Independent Encoder and Decoder, No DC Component Allowing Transformer Coupling, High Noise Imm | 16 | 1.25 MBit/s | CERDIP24, CLCC28 | -55 to 125 | $280.91 |
