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UART（通用异步接收器/发送器）

制造商	封装/外壳	系列	包装	产品状态	特性	通道数	FIFO	协议	数据速率（最大值）	电压 - 电源	带自动流量控制	带 IrDA 编码器/解码器	带伪起始位检测	带调制解调器控制	等级	认证	安装类型	供应商设备封装
Advanced Micro Devices Analog Devices Inc. Analog Devices Inc./Maxim Integrated Exar FTDI, Future Technology Devices International Ltd Harris Corporation Intersil MaxLinear, Inc. Microchip Technology National Semiconductor NXP Semiconductors Renesas Rochester Electronics, LLC Sipex SMSC Texas Instruments	- 100-BQFP 100-LFBGA 100-LQFP 100-TQFP 113-LFBGA 144-LQFP 16-TSSOP (0.173", 4.40mm Width) 176-LFBGA 24-DIP (0.300", 7.62mm) 24-SOIC (0.295", 7.50mm Width) 24-TSSOP (0.173", 4.40mm Width) 24-VFBGA 24-VFQFN Exposed Pad 24-WFQFN Exposed Pad 25-WFBGA 25-WFBGA, WLCSP 28-CDIP 28-CDIP (0.600", 15.24mm) 28-DIP (0.600", 15.24mm) 28-LCC (J-Lead) 28-SOIC (0.295", 7.50mm Width) 28-SSOP (0.154", 3.90mm Width) 32-LQFP 32-VFQFN Exposed Pad 32-WFQFN Exposed Pad 36-TFBGA 40-CDIP (0.600", 15.24mm) 40-DIP 40-DIP (0.600", 15.24mm) 40-VFQFN Exposed Pad 44-LCC (J-Lead) 44-LQFP 44-QFP 48-DIP (0.600", 15.24mm) 48-LQFP 48-QFP 48-TFSOP (0.240", 6.10mm Width) 48-TQFP 48-VFQFN Exposed Pad 48-WFQFN Exposed Pad 52-LCC (J-Lead) 56-TFSOP (0.240", 6.10mm Width) 64-LQFP 64-QFP 64-VFQFN Exposed Pad 68-LCC (J-Lead) 80-BQFP 80-LQFP 84-LCC (J-Lead)	* - Impact ST16C1450 ST16C2450 ST16C450 ST16C452 ST16C550 ST16C552 ST16C650 ST16C654 ST68C554 ST78C36 XR16C850 XR16L651 XR16V654	Bag Bulk Cut Tape (CT) Tape & Reel (TR) Tray Tube	Active Discontinued at Masstock Electronics Last Time Buy Obsolete	- Configurable GPIO, Internal Oscillator, Timer/Counter Configurable GPIO, Printer Port, Timer/Counter Counter, Internal Oscillator False-start Bit Detection Internal Oscillator Internal Oscillator, Printer Port, Timer/Counter Internal Oscillator, Timer/Counter Printer Port Timer/Counter	- 1 1, UART 2 2, DUART 4 4, QUART 8 8, OCTART	- 1 Byte 128 Byte 16 Byte 256 Byte 3 Byte 32 Byte 384 Byte, 128 Byte 64 Byte 8 Byte	- IrDA IrDA, RS232 , RS485 Printer RS232 RS232, RS422 RS232, RS422, RS485 RS232, RS485 RS485	- 1.5Mbps 15Mbps 16Mbps 1MBaud 1Mbps 20Mbps 230.4Kbps 24Mbps 250kbps 25kBaud 2Mbps 3.125Mbps 31.25Mbps 3Mbps 400kbps 40kBaud 4Mbps 5Mbps 6.25Mbps 625kbps 6Mbps 8Mbps	- 1.2V, 3.3V 1.62V ~ 1.98V, 2.75V ~ 2.75V, 3V ~ 3.6V 1.62V ~ 3.63V 1.62V ~ 5.5V 1.65V ~ 1.95V 1.65V ~ 1.95V, 1.71V ~ 3.6V, 2.35V 1.71V ~ 3.6V 1.8V 1.8V ~ 5V 2.25V ~ 3.6V 2.25V ~ 5.5V 2.3V ~ 3.6V 2.5V ~ 3.3V 2.5V, 3.3V, 5V 2.7V ~ 3.3V 2.7V ~ 3.6V 2.7V ~ 5.5V 2.97V ~ 3.63V, 4.5V ~ 5.5V 2.97V ~ 5.5V 2.9V ~ 5.5V 3.3V 3.3V ~ 5.5V 3.3V ~ 5V 3.3V, 5V 3V ~ 3.6V 3V ~ 5.25V 4.5V ~ 5.5V 4.75V ~ 5.25V 4V ~ 10.5V 5V 7V	- No Yes	- No Yes	- No Yes	- No Yes	- Automotive	- AEC-Q100	- Surface Mount Through Hole	- 100-BGA MICROSTAR (10x10) 100-LQFP (14x14) 100-QFP (14x20) 100-TQFP (14x14) 113-FPBGA (9x9) 144-LQFP (20x20) 16-TSSOP 176-FPBGA (13x13) 24-BGA MICROSTAR JUNIOR (3x3) 24-DIP 24-HVQFN (4x4) 24-QFN (4x4) 24-SO 24-TQFN (3.5x3.5) 24-TSSOP 25-BGA (3x3) 25-WLP (2.19x2.19) 28-CDIP 28-CerDip 28-DIP 28-PDIP 28-PLCC (11.48x11.48) 28-PLCC (11.51x11.51) 28-SOIC 28-SSOP/QSOP 32-HVQFN (5x5) 32-LQFP (7x7) 32-QFN (5x5) 32-TQFN (5x5) 32-VQFN (5x5) 36-TFBGA (3.5x3.5) 40-DIP 40-PDIP 40-QFN (6x6) 40-SBDIP 44-LQFP (10x10) 44-PLCC 44-PLCC (16.58x16.58) 44-PLCC (16.59x16.59) 44-PQFP (10x10) 44-QFP (10x10) 48-DIP 48-HVQFN (6x6) 48-LQFP (7x7) 48-QFN (7x7) 48-QFP 48-TQFN (7x7) 48-TQFP 48-TQFP (7x7) 48-TSSOP 52-PLCC (19.15x19.15) 56-TSSOP 64-LQFP (10x10) 64-LQFP (7x7) 64-PLCC 64-QFN (9x9) 68-PLCC (24.18x24.18) 68-PLCC (24.23x24.23) 80-LQFP (12x12) 80-QFP (14x20) 84-PLCC (29.26x29.26)

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结果

制造商料号	价格	数量	数据手册	封装/外壳	系列	包装	产品状态	特性	通道数	FIFO	协议	数据速率（最大值）	电压 - 电源	带自动流量控制	带 IrDA 编码器/解码器	带伪起始位检测	带调制解调器控制	等级	认证	安装类型	供应商设备封装
XR19L220IL40-F IC UART/TXRX RS232 40QFN MaxLinear, Inc.	-	立即询价	数据手册	40-VFQFN Exposed Pad	-	Tray	Obsolete	Internal Oscillator, Timer/Counter	1, UART	16 Byte	RS232	250kbps	3.3V ~ 5.5V	Yes	-	Yes	Yes	-	-	Surface Mount	40-QFN (6x6)
XR19L222IL64-F IC UART/TXRX RS232 64QFN MaxLinear, Inc.	-	立即询价	数据手册	64-VFQFN Exposed Pad	-	Tray	Obsolete	Internal Oscillator, Timer/Counter	2, DUART	64 Byte	RS232	1Mbps	3.3V ~ 5.5V	Yes	Yes	Yes	Yes	-	-	Surface Mount	64-QFN (9x9)
XR19L400IL40-F IC UART/TXRX RS485 40QFN MaxLinear, Inc.	-	立即询价	数据手册	40-VFQFN Exposed Pad	-	Tray	Discontinued at Digi-Key	Internal Oscillator, Timer/Counter	1, UART	64 Byte	RS485	8Mbps	3.3V, 5V	Yes	-	Yes	Yes	-	-	Surface Mount	40-QFN (6x6)
XR82C684JTR/44-F IC UART CMOS QUAD 44PLCC MaxLinear, Inc.	-	立即询价	数据手册	44-LCC (J-Lead)	-	Tape & Reel (TR)	Obsolete	Internal Oscillator, Timer/Counter	4, QUART	-	-	1Mbps	5V	-	-	-	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR88C192IVTR-F IC UART FIFO DUAL 44LQFP MaxLinear, Inc.	-	立即询价	数据手册	44-LQFP	-	Tape & Reel (TR)	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	16 Byte	-	230.4Kbps	2.97V ~ 5.5V	Yes	-	-	-	-	-	Surface Mount	44-LQFP (10x10)
XR68C192CJ-F IC UART FIFI DUAL 44PLCC MaxLinear, Inc.	-	立即询价	数据手册	44-LCC (J-Lead)	-	Tube	Discontinued at Digi-Key	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	16 Byte	-	230.4Kbps	2.97V ~ 5.5V	Yes	-	-	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR68C192CVTR-F IC UART FIFI DUAL 44LQFP MaxLinear, Inc.	-	立即询价	数据手册	44-LQFP	-	Tape & Reel (TR)	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	16 Byte	-	230.4Kbps	2.97V ~ 5.5V	Yes	-	-	-	-	-	Surface Mount	44-LQFP (10x10)
XR68C192IJ-F IC UART FIFI DUAL 44PLCC MaxLinear, Inc.	-	立即询价	数据手册	44-LCC (J-Lead)	-	Tube	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	16 Byte	-	230.4Kbps	2.97V ~ 5.5V	Yes	-	-	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR68C681CP IC UART CMOS DUAL 40DIP MaxLinear, Inc.	-	立即询价	数据手册	40-DIP (0.600", 15.24mm)	-	Tube	Obsolete	Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	-	-	-	-	-	-	Through Hole	40-PDIP
XR68C681CP-F IC UART CMOS DUAL 40DIP MaxLinear, Inc.	-	立即询价	数据手册	40-DIP (0.600", 15.24mm)	-	Tube	Obsolete	Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	-	-	-	-	-	-	Through Hole	40-PDIP
XR68C681JTR-F IC UART CMOS DUAL 44PLCC MaxLinear, Inc.	-	立即询价	数据手册	44-LCC (J-Lead)	-	Tape & Reel (TR)	Discontinued at Digi-Key	Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	-	-	-	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR68C681P IC UART CMOS DUAL 40DIP MaxLinear, Inc.	-	立即询价	数据手册	40-DIP (0.600", 15.24mm)	-	Tube	Obsolete	Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	-	-	-	-	-	-	Through Hole	40-PDIP
XR68C681P-F IC UART CMOS DUAL 40DIP MaxLinear, Inc.	-	立即询价	数据手册	40-DIP (0.600", 15.24mm)	-	Tube	Obsolete	Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	-	-	-	-	-	-	Through Hole	40-PDIP
XR68C92CJ-F IC UART FIFO DUAL 44PLCC MaxLinear, Inc.	-	立即询价	数据手册	44-LCC (J-Lead)	-	Tube	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	16 Byte	-	230.4Kbps	2.97V ~ 5.5V	Yes	-	-	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR68C92CVTR-F IC DUART CMOS 44LQFP MaxLinear, Inc.	-	立即询价	数据手册	44-LQFP	-	Tape & Reel (TR)	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	16 Byte	-	230.4Kbps	2.97V ~ 5.5V	Yes	-	-	-	-	-	Surface Mount	44-LQFP (10x10)
XR68C92IJTR-F IC DUART CMOS 44LPCC MaxLinear, Inc.	-	立即询价	数据手册	44-LCC (J-Lead)	-	Tape & Reel (TR)	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	16 Byte	-	230.4Kbps	2.97V ~ 5.5V	Yes	-	-	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR68C92IV-F IC DUART CMOS 44LQFP MaxLinear, Inc.	-	立即询价	数据手册	44-LQFP	-	Tray	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	16 Byte	-	230.4Kbps	2.97V ~ 5.5V	Yes	-	-	-	-	-	Surface Mount	44-LQFP (10x10)
XR82C684CJTR/44-F IC UART CMOS QUAD 44PLCC MaxLinear, Inc.	-	立即询价	数据手册	44-LCC (J-Lead)	-	Tape & Reel (TR)	Obsolete	Internal Oscillator, Timer/Counter	4, QUART	-	-	1Mbps	5V	-	-	-	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR82C684CJTR-F IC UART CMOS QUAD 68PLCC MaxLinear, Inc.	-	立即询价	数据手册	68-LCC (J-Lead)	-	Tape & Reel (TR)	Obsolete	Internal Oscillator, Timer/Counter	4, QUART	-	-	1Mbps	5V	-	-	-	-	-	-	Surface Mount	68-PLCC (24.23x24.23)
XR82C684J/44-F IC UART CMOS QUAD 44PLCC MaxLinear, Inc.	-	立即询价	数据手册	44-LCC (J-Lead)	-	Tube	Obsolete	Internal Oscillator, Timer/Counter	4, QUART	-	-	1Mbps	5V	-	-	-	-	-	-	Surface Mount	44-PLCC (16.59x16.59)