The SC16C654B/654DB is a Quad Universal Asynchronous Receiver and Transmitter (QUART) used for serial data communications. Its principal function is to convert parallel data into serial data and vice versa. The UART can handle serial data rates up to 5 Mbit/s. It comes with an Intel or Motorola interface.
The SC16C654B/654DB is pin compatible with the ST16C654 and TL16C754 and it will power-up to be functionally equivalent to the 16C454. Programming of control registers enables the added features of the SC16C654B/654DB. Some of these added features are the 64-byte receive and transmit FIFOs, automatic hardware or software flow control and infrared encoding/decoding. The selectable auto-flow control feature significantly reduces software overload and increases system efficiency while in FIFO mode by automatically controlling serial data flow using RTS output and CTS input signals. The SC16C654B/654DB also provides DMA mode data transfers through FIFO trigger levels and the TXRDY and RXRDY signals. (TXRDY and RXRDY signals are not available in the HVQFN48 package.) On-board status registers provide the user with error indications, operational status, and modem interface control. System interrupts may be tailored to meet user requirements. An internal loop-back capability allows on-board diagnostics.
The SC16C654B/654DB operates at 5 V, 3.3 V and 2.5 V, and the industrial temperature range, and is available in plastic PLCC68, LQFP64, HVQFN48 and LFBGA64 packages.
On the HVQFN48 package, only channel C has all the modem pins. Channel A and channel B have only RTS and CTS pins, and channel D does not have any modem pin.
| Type number | Orderable part number | Ordering code (12NC) | Product status | Package | Packing | Marking | ECCN |
|---|---|---|---|---|---|---|---|
| SC16C654BIA68 | SC16C654BIA68,512 | 9352 749 35512 | Volume production | SOT188-2
(PLCC68) | Tube Dry Pack | Standard Marking | |
| SC16C654BIA68 | SC16C654BIA68,518 | 9352 749 35518 | Volume production | SOT188-2
(PLCC68) | Reel Dry Pack, SMD, 13" | Standard Marking | |
| SC16C654BIA68 | SC16C654BIA68,529 | 9352 749 35529 | Volume production | SOT188-2
(PLCC68) | |||
| SC16C654BIB64 | SC16C654BIB64,128 | 9352 749 36128 | Volume production | SOT314-2
(LQFP64) | Reel Pack, SMD, 13", Turned | Standard Marking | |
| SC16C654BIB64 | SC16C654BIB64,151 | 9352 749 36151 | Volume production | SOT314-2
(LQFP64) | Tray Pack, Bakeable, Single | Standard Marking | |
| SC16C654BIB64 | SC16C654BIB64,157 | 9352 749 36157 | Volume production | SOT314-2
(LQFP64) | Tray Pack, Bakeable, Multiple | Standard Marking | |
| SC16C654BIBM | SC16C654BIBM,128 | 9352 790 68128 | Volume production | SOT414-1
(LQFP64) | Reel Pack, SMD, 13", Turned | Standard Marking | |
| SC16C654BIBM | SC16C654BIBM,151 | 9352 790 68151 | Volume production | SOT414-1
(LQFP64) | Tray Pack, Bakeable, Single | Standard Marking | |
| SC16C654BIBM | SC16C654BIBM,157 | 9352 790 68157 | Volume production | SOT414-1
(LQFP64) | Tray Pack, Bakeable, Multiple | Standard Marking | |
| SC16C654BIBS | SC16C654BIBS,528 | 9352 790 73528 | Volume production | SOT778-3
(HVQFN48) | Reel Dry Pack, SMD, 13",Turned | Standard Marking | |
| SC16C654BIBS | SC16C654BIBS,551 | 9352 790 73551 | Volume production | SOT778-3
(HVQFN48) | Tray Dry Pack, Bakeable, Single | Standard Marking | |
| SC16C654BIBS | SC16C654BIBS,557 | 9352 790 73557 | Volume production | SOT778-3
(HVQFN48) | Tray Dry Pack, Bakeable, Multiple | Standard Marking | |
| SC16C654BIEC | SC16C654BIEC,528 | 9352 790 71528 | Volume production | SOT686-1
(LFBGA64) | Reel Dry Pack, SMD, 13",Turned | Standard Marking | |
| SC16C654BIEC | SC16C654BIEC,557 | 9352 790 71557 | Volume production | SOT686-1
(LFBGA64) | Tray Dry Pack, Bakeable, Multiple | Standard Marking | |
| SC16C654BIEC | SC16C654BIEC,551 | 9352 790 71551 | Volume production | SOT686-1
(LFBGA64) | Tray Dry Pack, Bakeable, Single | Standard Marking | |
| SC16C654DBIB64 | SC16C654DBIB64,128 | 9352 766 71128 | Volume production | SOT314-2
(LQFP64) | Reel Pack, SMD, 13", Turned | Standard Marking | |
| SC16C654DBIB64 | SC16C654DBIB64,151 | 9352 766 71151 | Volume production | SOT314-2
(LQFP64) | Tray Pack, Bakeable, Single | Standard Marking | |
| SC16C654DBIB64 | SC16C654DBIB64,157 | 9352 766 71157 | Volume production | SOT314-2
(LQFP64) | Tray Pack, Bakeable, Multiple | Standard Marking |
| Type number | Orderable part number | Chemical content | RoHS | Leadfree Conversion date | RHF | IRF (FIT) | MTBF (hours) | MSL |
|---|---|---|---|---|---|---|---|---|
| SC16C654BIA68 | SC16C654BIA68,512 | SC16C654BIA68 |
| Always Pb-free | ||||
| SC16C654BIA68 | SC16C654BIA68,518 | SC16C654BIA68 |
| Always Pb-free | ||||
| SC16C654BIA68 | SC16C654BIA68,529 | SC16C654BIA68 |
| Always Pb-free | ||||
| SC16C654BIB64 | SC16C654BIB64,128 | SC16C654BIB64 |
| week 36, 2004 | ||||
| SC16C654BIB64 | SC16C654BIB64,151 | SC16C654BIB64 |
| week 36, 2004 | ||||
| SC16C654BIB64 | SC16C654BIB64,157 | SC16C654BIB64 |
| Always Pb-free | ||||
| SC16C654BIBM | SC16C654BIBM,128 | SC16C654BIBM |
| Always Pb-free | ||||
| SC16C654BIBM | SC16C654BIBM,151 | SC16C654BIBM |
| Always Pb-free | ||||
| SC16C654BIBM | SC16C654BIBM,157 | SC16C654BIBM |
| Always Pb-free | ||||
| SC16C654BIBS | SC16C654BIBS,528 | SC16C654BIBS |
| Always Pb-free | ||||
| SC16C654BIBS | SC16C654BIBS,551 | SC16C654BIBS |
| Always Pb-free | ||||
| SC16C654BIBS | SC16C654BIBS,557 | SC16C654BIBS |
| Always Pb-free | ||||
| SC16C654BIEC | SC16C654BIEC,528 | SC16C654BIEC |
| |||||
| SC16C654BIEC | SC16C654BIEC,557 | SC16C654BIEC |
| |||||
| SC16C654BIEC | SC16C654BIEC,551 | SC16C654BIEC |
| |||||
| SC16C654DBIB64 | SC16C654DBIB64,128 | SC16C654DBIB64 |
| week 36, 2004 | ||||
| SC16C654DBIB64 | SC16C654DBIB64,151 | SC16C654DBIB64 |
| week 36, 2004 | ||||
| SC16C654DBIB64 | SC16C654DBIB64,157 | SC16C654DBIB64 |
| Always Pb-free |
| Type number | Ordering code(12NC) | Orderable part number | Indicative price/unit($) | Region | Distributor | In stock | Order quantity | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|---|---|
| SC16C654BIA68 | 9352 749 35512 | SC16C654BIA68,512 | 7.2800 | NA | NEWARK | 64 | 11/20/2009 | Buy online | Order samples | |
| SC16C654BIA68 | 9352 749 35518 | SC16C654BIA68,518 | 7.2800 | NA | NEWARK | 64 | 11/20/2009 | Buy online | not available | |
| NA | DIGI-KEY CORPORATION | 38 | 11/20/2009 | Buy online | ||||||
| SC16C654BIA68 | 9352 749 35529 | SC16C654BIA68,529 | 7.2800 | NA | NEWARK | 64 | 11/20/2009 | Buy online | not available | |
| NA | ARROW ELECTRONICS | 50 | 11/19/2009 | Buy online | ||||||
| SC16C654BIB64 | 9352 749 36128 | SC16C654BIB64,128 | 7.2800 | NA | NEWARK | 64 | 11/20/2009 | Buy online | not available | |
| SC16C654BIB64 | 9352 749 36151 | SC16C654BIB64,151 | 7.2800 | NA | NEWARK | 64 | 11/20/2009 | Buy online | Order samples | |
| SC16C654BIB64 | 9352 749 36157 | SC16C654BIB64,157 | 7.2800 | NA | NEWARK | 64 | 11/20/2009 | Buy online | not available | |
| SC16C654BIBM | 9352 790 68128 | SC16C654BIBM,128 | 8.3200 | NA | ARROW ELECTRONICS | 969 | 11/19/2009 | Buy online | not available | |
| SC16C654BIBM | 9352 790 68151 | SC16C654BIBM,151 | 8.3200 | NA | ARROW ELECTRONICS | 969 | 11/19/2009 | Buy online | Order samples | |
| NA | DIGI-KEY CORPORATION | 37 | 11/20/2009 | Buy online | ||||||
| NA | FUTURE ELECTRONICS | 240 | 11/19/2009 | Buy online | ||||||
| SC16C654BIBM | 9352 790 68157 | SC16C654BIBM,157 | 8.3200 | NA | ARROW ELECTRONICS | 969 | 11/19/2009 | Buy online | not available | |
| SC16C654BIBS | 9352 790 73528 | SC16C654BIBS,528 | 8.3200 | not available | ||||||
| SC16C654BIBS | 9352 790 73551 | SC16C654BIBS,551 | 8.3200 | NA | DIGI-KEY CORPORATION | 480 | 11/20/2009 | Buy online | Order samples | |
| NA | FUTURE ELECTRONICS | 25 | 11/19/2009 | Buy online | ||||||
| NA | AVNET ELECTRONICS MARKETING | 380 | 11/19/2009 | Buy online | ||||||
| SC16C654BIBS | 9352 790 73557 | SC16C654BIBS,557 | 8.3200 | not available | ||||||
| SC16C654BIEC | 9352 790 71528 | SC16C654BIEC,528 | 8.3200 | not available | ||||||
| SC16C654BIEC | 9352 790 71557 | SC16C654BIEC,557 | 8.3200 | not available | ||||||
| SC16C654BIEC | 9352 790 71551 | SC16C654BIEC,551 | 8.3200 | Order samples | ||||||
| SC16C654DBIB64 | 9352 766 71128 | SC16C654DBIB64,128 | 6.7600 | NA | NEWARK | 627 | 11/20/2009 | Buy online | not available | |
| SC16C654DBIB64 | 9352 766 71151 | SC16C654DBIB64,151 | 6.7600 | NA | MOUSER ELECTRONICS | 138 | 11/20/2009 | Buy online | Order samples | |
| NA | NEWARK | 627 | 11/20/2009 | Buy online | ||||||
| NA | DIGI-KEY CORPORATION | 429 | 11/20/2009 | Buy online | ||||||
| NA | MOUSER ELECTRONICS | 138 | 11/20/2009 | Buy online | ||||||
| NA | FUTURE ELECTRONICS | 25 | 11/19/2009 | Buy online | ||||||
| ASIA | WPI | 90 | 1 | 11/19/2009 | Buy online | |||||
| SC16C654DBIB64 | 9352 766 71157 | SC16C654DBIB64,157 | 6.7600 | NA | NEWARK | 627 | 11/20/2009 | Buy online | not available |
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Application Notes
Support Documents