Number of Channels is 4, QUART - Interface - UARTs (Universal Asynchronous Receiver Transmitter) Distributor - TL16C554AFN TL16C554AFNR TL16C554AFNRG4 - CHIPSIC

Part Number	Manufacturer / Brand	Brife Description	Part Status	Features	Number of Channels	FIFO's	Protocol	Data Rate (Max)	Voltage - Supply	With Auto Flow Control	With IrDA Encoder/Decoder	With False Start Bit Detection	With Modem Control	Mounting Type	Package / Case	Supplier Device Package
TL16C554AFN	Texas Instruments	IC QUAD UART W/FIFO 68-PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554AFNR	Texas Instruments	IC ASYNC COMM ELEMENT 68-PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554AFNRG4	Texas Instruments	IC ASYNC COMM ELEMENT 68-PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554AIFN	Texas Instruments	IC UART FIFO 16BIT QAUD 68PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554AIFNR	Texas Instruments	IC UART FIFO 16BIT QUAD 68PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554AIPN	Texas Instruments	IC ASYNC COMM ELEMENT 80-LQFP	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	80-LQFP	80-LQFP (12x12)
TL16C554AIPNR	Texas Instruments	IC ASYNC COMM ELEMENT 80-LQFP	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	80-LQFP	80-LQFP (12x12)
TL16C554APN	Texas Instruments	IC QUAD UART W/FIFO 80-LQFP	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	80-LQFP	80-LQFP (12x12)
TL16C554APNR	Texas Instruments	IC ASYNC COMM ELEMENT 80-LQFP	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	80-LQFP	80-LQFP (12x12)
TL16C554FN	Texas Instruments	IC ASYNC COMM ELEMENT 68-PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	4.75 V ~ 5.25 V	-	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554FNR	Texas Instruments	IC ASYNC COMM ELEMENT 68-PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	4.75 V ~ 5.25 V	-	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554IFN	Texas Instruments	IC QUAD UART W/FIFO 68-PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	4.75 V ~ 5.25 V	-	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554IFNR	Texas Instruments	IC ASYNC COMM ELEMENT 68-PLCC	Active	-	4, QUART	16 Byte	-	1Mbps	4.75 V ~ 5.25 V	-	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C554IPN	Texas Instruments	IC ASYNC COMM ELEMENT 80-LQFP	Active	-	4, QUART	16 Byte	-	1Mbps	4.75 V ~ 5.25 V	-	-	Yes	Yes	Surface Mount	80-LQFP	80-LQFP (12x12)
TL16C754BFN	Texas Instruments	IC QUAD UART 64BYTE FIFO 68-PLCC	Active	-	4, QUART	64 Byte	-	3Mbps	2.7 V ~ 5.5 V	Yes	-	Yes	Yes	Surface Mount	68-LCC (J-Lead)	68-PLCC (24.23x24.23)
TL16C754BPN	Texas Instruments	IC QUAD UART W/FIFO 80-LQFP	Active	-	4, QUART	64 Byte	-	3Mbps	2.7 V ~ 5.5 V	Yes	-	Yes	Yes	Surface Mount	80-LQFP	80-LQFP (12x12)
TL16C754BPNR	Texas Instruments	IC QUAD UART 64BYTE FIFO 80-LQFP	Active	-	4, QUART	64 Byte	-	3Mbps	2.7 V ~ 5.5 V	Yes	-	Yes	Yes	Surface Mount	80-LQFP	80-LQFP (12x12)
TL16CP554AIPM	Texas Instruments	IC UART FIFO 16BIT QUAD 64LQFP	Active	-	4, QUART	16 Byte	-	1Mbps	3 V ~ 5.25 V	Yes	-	Yes	Yes	Surface Mount	64-LQFP	64-LQFP (10x10)
TL16CP754CIPM	Texas Instruments	IC QUAD UART 64BYTE FIFO 64-LQFP	Active	Internal Oscillator	4, QUART	64 Byte	RS485	3Mbps	1.62 V ~ 5.5 V	Yes	Yes	Yes	Yes	Surface Mount	64-LQFP	64-LQFP (10x10)
TL16CP754CPM	Texas Instruments	IC QUAD UART 64BYTE FIFO 64-LQFP	Active	Internal Oscillator	4, QUART	64 Byte	RS485	3Mbps	1.62 V ~ 5.5 V	Yes	Yes	Yes	Yes	Surface Mount	64-LQFP	64-LQFP (10x10)
XR82C684CJ/44-F	MaxLinear, Inc.	IC UART CMOS QUAD 44PLCC	Active	Internal Oscillator, Timer/Counter	4, QUART	-	-	1Mbps	5V	-	-	-	-	Surface Mount	44-LCC (J-Lead)	44-PLCC (16.59x16.59)

Manufacturers for Interface - UARTs (Universal Asynchronous Receiver Transmitter)