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XR16L2750IM-F PDF预览

XR16L2750IM-F

更新时间: 2024-09-17 12:58:47
品牌 Logo 应用领域
艾科嘉 - EXAR 先进先出芯片
页数 文件大小 规格书
48页 904K
描述
Serial I/O Controller, 2 Channel(s), 0.78125MBps, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, GREEN, TQFP-48

XR16L2750IM-F 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Transferred零件包装代码:QFP
包装说明:TFQFP, TQFP48,.35SQ针数:48
Reach Compliance Code:compliantHTS代码:8542.31.00.01
风险等级:4.31Is Samacsys:N
地址总线宽度:3边界扫描:NO
最大时钟频率:50 MHz通信协议:ASYNC, BIT
数据编码/解码方法:NRZ最大数据传输速率:0.78125 MBps
外部数据总线宽度:8JESD-30 代码:S-PQFP-G48
JESD-609代码:e3长度:7 mm
低功率模式:YES湿度敏感等级:3
串行 I/O 数:2端子数量:48
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TFQFP
封装等效代码:TQFP48,.35SQ封装形状:SQUARE
封装形式:FLATPACK, THIN PROFILE, FINE PITCH峰值回流温度(摄氏度):260
电源:2.5/5 V认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Serial IO/Communication Controllers
最大供电电压:5.5 V最小供电电压:2.25 V
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:7 mm
uPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIALBase Number Matches:1

XR16L2750IM-F 数据手册

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xr  
XR16L2750  
2.25V TO 5.5V DUART WITH 64-BYTE FIFO  
APRIL 2005  
REV. 1.2.1  
FEATURES  
GENERAL DESCRIPTION  
2.25 to 5.5 Volt Operation  
5 Volt Tolerant Inputs  
Pin-to-pin compatible to Exar’s ST16C2550 and  
TI’s TL16C752B on the 48-TQFP package  
1
The XR16L2750 (2750) is a low voltage dual  
universal asynchronous receiver and transmitter  
(UART) with 5 Volt tolerant inputs. The device  
operates from 2.25 to 5.5 Volt supply range and is  
pin-to-pin compatible to Exar’s ST16C2550 and  
XR16C2850 except the 48-TQFP package. The 2750  
register set is compatible to the ST16C2550 and the  
XR16C2850 enhanced features. It supports the  
Exar’s enhanced features of 64 bytes of TX and RX  
FIFOs, programmable FIFO trigger level and FIFO  
level counters, automatic hardware (RTS/CTS) and  
software flow control, automatic RS-485 half duplex  
direction control output and a complete modem  
interface. Onboard registers provide the user with  
operational status and data error flags. An internal  
loopback capability allows system diagnostics.  
Independent programmable baud rate generators are  
provided in each channel to select data rates up to  
6.25 Mbps at 5 Volt and 8X sampling clock. The 2750  
is available in 48-pin TQFP and 44-pin PLCC  
packages.  
Pin alike XR16C2850 48-TQFP package but  
without CLK8/16, CLKSEL and HDCNTL inputs  
Two independent UART channels  
Reg set compatible to 16C2550 and 16C2850  
Up to 6.25 Mbps at 5 Volt, 4 Mbps at 3.3 Volt,  
and 3 Mbps at 2.5 Volt with 8X sampling rate  
Transmit and Receive FIFOs of 64 bytes  
Programmable TX and RX FIFO Trigger Levels  
Transmit and Receive FIFO Level Counters  
Automatic Hardware (RTS/CTS) Flow Control  
Selectable Auto RTS Flow Control Hysteresis  
Automatic Software (Xon/Xoff) Flow Control  
Automatic RS-485 Half-duplex Direction  
Control Output via RTS#  
Wireless Infrared (IrDA 1.0) Encoder/Decoder  
Automatic sleep mode  
NOTE: 1 Covered by U.S. Patent #5,649,122 and #5,949,787  
APPLICATIONS  
Full modem interface  
Device Identification and Revision  
Portable Appliances  
Crystal oscillator or external clock input  
Industrial and commercial temperature ranges  
48-TQFP and 44-PLCC packages  
Telecommunication Network Routers  
Ethernet Network Routers  
Cellular Data Devices  
Factory Automation and Process Controls  
FIGURE 1. XR16L2750 BLOCK DIAGRAM  
* 5 Volt Tolerant Inputs  
2.25 to 5.5 Volt VCC  
A2:A0  
D7:D0  
(Except XTAL1)  
GND  
IOR#  
IOW#  
UART Channel A  
TXA, RXA, DTRA#,  
64 Byte TX FIFO  
CSA#  
CSB#  
UART  
DSRA#, RTSA#,  
DTSA#, CDA#, RIA#,  
OP2A#  
Regs  
IR  
ENDEC  
TX & RX  
8-bit Data  
Bus  
Interface  
INTA  
INTB  
BRG  
64 Byte RX FIFO  
TXRDYA#  
TXRDYB#  
RXRDYA#  
RXRDYB#  
TXB, RXB, DTRB#,  
DSRB#, RTSB#,  
CTSB#, CDB#, RIB#,  
OP2B#  
UART Channel B  
(same as Channel A)  
Reset  
XTAL1  
XTAL2  
Crystal Osc/Buffer  
2750BLK  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

XR16L2750IM-F 替代型号

型号 品牌 替代类型 描述 数据表
SC16C652BIB48,157 NXP

功能相似

SC16C652B - 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.) with 32-byte FIFOs and infrare
TL16C752CIPFB TI

功能相似

DUAL UART WITH 64-BYTE FIFO

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