  | SC16C550 |  | See SC16C550B replacement |
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| | SC16C550B | | 2.5/3.3/5V single UART with 16-byte FIFOs |
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| | SC16C2550 | | See SC16C2550B replacement |
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| | SC16C2550B | | 2.5/3.3/5V dual UART (DUART) with 16-byte FIFOs; up to 5Mbps |
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| | SC16C2552 | | See SC16C2552B replacement |
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| | SC16C2552B | | 2.5/3.3/5V dual UART (DUART) with 16-byte FIFOs, up to 5Mbps |
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| | SC16C554 | | See SC16C554B replacement |
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| | SC16C554B | | 2.5V/3.3V/5V quad UART with 16-byte FIFOs; up to 5Mbps |
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| | SC16C554D | | See SC16C554DB replacement |
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| | SC16C554DB | | 2.5V/3.3V/5V quad UART with 16-byte FIFOs; up to 5Mbps; Motorola interface package option |
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| | SC16C650A | | See SC16C650B replacement |
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| | SC16C650B | | 2.5/3.3/5V single UART with 32-byte FIFOs and infrared (IrDA) encoder/decoder |
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| | SC16C652 | | See SC16C652B replacement |
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| | SC16C652B | | 2.5/3.3/5V dual UART (DUART) with 32-byte FIFOs and infrared (IrDA) encoder/decoder; up to 5Mbps |
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| | SC16C654 | | See SC16C654B replacement |
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| | SC16C654B | | 2.5V/3.3V/5V quad UART with 64-byte FIFOs and infrared (IrDA) encoder/decoder; up to 5Mbps; Motorola interface package option |
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| | SC16C654D | | See SC16C654DB replacement |
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| | SC16C654DB | | 2.5V/3.3V/5V quad UART with 64-byte FIFOs and infrared (IrDA) encoder/decoder; up to 5Mbps |
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| | SC16C750 | | See SC16C750B replacement |
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| | SC16C750B | | 2.5/3.3/5V single UART with 64-byte FIFOs |
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| | SC16C751B | | 2.5V/3.3V/5V single UART with 64-byte FIFOs |
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| | SC16C752 | | See SC16C752B replacement |
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| | SC16C752B | | 2.5/3.3/5V dual UART (DUART) with 64-byte FIFOs; up to 5Mbps |
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| | SC16C754 | | See SC16C754B replacement |
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| | SC16C754B | | 2.5V/3.3V/5V quad UART with 64-byte FIFOs; up to 5Mbps |
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| | SC16C850 |  | 2.5V to 3.3V single UART with 128-byte FIFOs, infrared (IrDA), 16/68-mode parallel bus interface; up to 5Mbps |
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| | SC16C850L | | 1.8V single UART with 128-byte FIFOs, infrared (IrDA), 16/68-mode parallel bus interface; up to 5Mbps |
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 | SC16C850V | | 1.8V single UART with 128-byte FIFOs, infrared (IrDA), XScale VLIO bus interface; up to 5Mbps |
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| | SC16C850SV | | 1.8V single UART with 128-byte FIFOs, infrared (IrDA), XScale VLIO bus interface; up to 20Mbps |
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| | SC16C852L | | 1.8V dual UART with 128-byte FIFOs, infrared (IrDA), 16/68-mode parallel bus interface; up to 5Mbps |
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| | SC16C852V | | 1.8V dual UART with 128-byte FIFOs, infrared (IrDA), XScale VLIO bus interface; up to 5Mbps |
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| | SC16C852SV | | 1.8V dual UART with 128-byte FIFOs, infrared (IrDA), XScale VLIO bus interface; up to 20Mbps |
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indicate product status. Click 
