| Image | Manufacturer | Part Number | Description |
| | Holt Integrated Circuits | HI-1570PSI | Monolithic Variable Amplitude Transceiver 20-Pin SOIC W |
| | Holt Integrated Circuits | HI-1573PSI | Monolithic Transceiver 20-Pin SOIC W EP |
| | Holt Integrated Circuits | HI-1567PSI | Monolithic Transceiver 20-Pin SOIC W |
| | Holt Integrated Circuits | HI-1573PST | Monolithic Transceiver 20-Pin SOIC W EP |
| | Holt Integrated Circuits | HI-1573PSM | Monolithic Transceiver 20-Pin SOIC W EP |
| | Holt Integrated Circuits | HI1567PST | Monolithic Transceiver 20-Pin SOIC W |
| | Holt Integrated Circuits | HI-1567CDI | Monolithic Transceiver 20-Pin CDIP |
 | Analog Devices | AD602JRZ | SP Amp Variable Gain Amp Dual ±5.25V 16-Pin SOIC W |
 | Analog Devices | AD600ARZ | SP Amp Variable Gain Amp Dual ±5.25V 16-Pin SOIC W |
 | Analog Devices | AD600JRZ | SP Amp Variable Gain Amp Dual ±5.25V 16-Pin SOIC W |
 | Micrel | SY100EL17VZG | Quad Receiver 20-Pin SOIC W |
 | Fairchild Semiconductor | 74VHCT245AMX | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC W T/R |
 | Fairchild Semiconductor | 74VHC245MX | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC W T/R |
 | Linear Technology | LTC1387CSW#PBF | Single Transmitter/Receiver RS-232/RS-485 20-Pin SOIC W |
 | Fairchild Semiconductor | MM74HCT245WMX | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC W T/R |
 | Texas Instruments | SN74AHC245DW | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC Tube |
 | National Semiconductor | DS36954M/NOPB | Quad Transmitter/Receiver RS-485 20-Pin SOIC W Rail |
 | Fairchild Semiconductor | 74LCX245WM | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC W Rail |
 | Fairchild Semiconductor | 74LVX245M | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC W Rail |
 | Texas Instruments | SN74AHC245DWR | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC T/R |
 | Fairchild Semiconductor | 74LCX245WMX | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC W T/R |
 | Analog Devices | ADM3251EARWZ | Single Transmitter/Receiver RS-232 20-Pin SOIC W Tube |
 | Fairchild Semiconductor | MM74HC245AWMX | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC W T/R |
 | Fairchild Semiconductor | 74VHC245M | Bus XCVR Single 8-CH 3-ST 20-Pin SOIC W Rail |