 | 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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 | SC68C2550B |  | 5V, 3.3V, and 2.5V dual UART, 5Mbit/s (max.) with 16-byte FIFOs and Motorola interface |
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 | SC68C652B |  | 5V, 3.3V, and 2.5V dual UART; 5Mbit/s (max.) with 32-byte FIFOs and infrared (IrDA) encoder/decoder; Motorola interface |
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 | SC68C752B |  | 5V, 3.3V, and 2.5V dual UART; 5Mbit/s (max.) with 64-byte FIFOs; Motorola interface |
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 | SCC2681 |  | 5V dual channel UART (DUART) with 4-byte FIFOs; Intel interface; CMOS |
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 | SCC2681T |  | 5V dual channel UART (DUART) with 4-byte FIFOs; Intel interface; CMOS; Up to 500Kbps |
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 | SCN2681T |  | See SCC2681T replacement |
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 | SCC2691 |  | 5V single channel UART with 4-byte FIFOs; Intel interface; CMOS |
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 | SCC2692 |  | 5V dual channel UART (DUART) with 4-byte FIFOs; Intel interface; CMOS |
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 | SC26C92 |  | 5V dual channel UART (DUART) with 8-byte FIFOs; Intel interface; CMOS |
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 | SCC2698B |  | 5V eight channel UART (Octal UART) with 4-byte FIFOs; Intel interface; CMOS |
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 | SC28L91 |  | 3.3/5V single channel UART with 16-byte FIFOs; Intel or Motorola interface; CMOS; IMPACT series |
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 | SC28L92 |  | 3.3/5V dual channel UART (DUART) with 16-byte FIFOs; Intel or Motorola interface; CMOS; IMPACT series |
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 | SC28C94 |  | 5V quad channel UART (QUART) with 8-byte FIFOs; Intel or Motorola interface; CMOS |
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 | SC28L194 |  | 3.3/5V quad channel UART (QUART) with 16-byte FIFOs; Intel or Motorola interface; CMOS; IMPACT series |
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 | SC28L198 |  | 3.3/5V eight channel UART (Octal UART) with 16-byte FIFOs; Intel or Motorola interface; CMOS; IMPACT series |
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 | SC28L201 |  | 3.3/5V single channel UART with 256-byte FIFOs; up to 3.125Mbps |
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 | SC28L202 |  | 3.3/5V dual channel UART (DUART) with 256-byte FIFOs; Intel or Motorola interface; CMOS; IMPACT series |
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 | SCC68681 |  | 5V dual channel UART (DUART) with 4-byte FIFOs; Motorola interface; CMOS |
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 | SCN68681 |  | See SCC68681 replacement |
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 | SCC68692 |  | 5V dual channel UART (DUART) with 4-byte FIFOs; Motorola interface; CMOS |
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