| DM54LS245 | National Semiconductor | OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE INPUTS/OUTPUTS [Life-time buy] |
| DM54LS367A | National Semiconductor | Hex TRI-STATE Buffer/Bus Driver |
| DM54LS368A | National Semiconductor | Hex TRI-STATE Inverting Buffer/Bus Driver [Life-time buy] |
| MM54C244 | National Semiconductor | Non-Inverting Octal Buffers and Line Drivers with TRI-STATE Outputs [Life-time buy] |
| SCAN16602 | National Semiconductor | Low Voltage Universal 16-bit IEEE 1149.1 Bus Transceiver with TRI-STATE Outputs |
| SCAN18245T | National Semiconductor | Non-Inverting Transceiver with TRI-STATE Outputs |
| SCAN18540T | National Semiconductor | Inverting Line Driver with TRI-STATE Outputs |
| SCAN18541T | National Semiconductor | Non-Inverting Line Driver with TRI-STATE Outputs |
| V320 | Fairchild Semiconductor | 8-Bit Registered Bus Transceiver |