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ST16C2450CJ44 PDF预览

ST16C2450CJ44

更新时间: 2024-02-23 23:21:32
品牌 Logo 应用领域
艾科嘉 - EXAR 外围集成电路数据传输通信时钟
页数 文件大小 规格书
29页 298K
描述
2.97V TO 5.5V DUART

ST16C2450CJ44 技术参数

是否Rohs认证:不符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.69
Is Samacsys:N其他特性:MODEM CONTROL CAPABILITY
地址总线宽度:3边界扫描:NO
最大时钟频率:7.372 MHz通信协议:ASYNC, BIT
数据编码/解码方法:NRZ最大数据传输速率:0.0546875 MBps
外部数据总线宽度:8JESD-30 代码:S-PQCC-J44
JESD-609代码:e0低功率模式:NO
DMA 通道数量:I/O 线路数量:
串行 I/O 数:2端子数量:44
片上数据RAM宽度:最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装等效代码:LDCC44,.7SQ
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3/5 V
认证状态:Not QualifiedRAM(字数):0
子类别:Serial IO/Communication Controllers最大压摆率:6 mA
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIEDuPs/uCs/外围集成电路类型:SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Base Number Matches:1

ST16C2450CJ44 数据手册

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áç  
ST16C2450  
2.97V TO 5.5V DUART  
REV. 4.0.0  
SEPTEMBER 2003  
FEATURES  
GENERAL DESCRIPTION  
Added feature in devices with top marking "A2  
YYWW" and newer:  
The ST16C2450 (2450) is a dual universal asynchro-  
nous receiver and transmitter (UART). The  
ST16C2450 is an improved version of the  
ST16C2450 with lower operating voltage and 5 volt  
tolerant inputs. The 2450 provides enhanced UART  
functions, a modem control interface and data rates  
up to 1.5 Mbps. Onboard status registers provide the  
user with error indications and operational status. In-  
dependent programmable baud rate generators are  
provided to select transmit and receive clock rates up  
to 1.5 Mbps. An internal loopback capability allows  
onboard diagnostics. The 2450 is available in a 44-  
pin PLCC and 48-pin TQFP packages. The 2450 is  
fabricated in an advanced CMOS process capable of  
operating from 2.97 volt to 5.5 volt power supply. The  
devices with a top marking of "A2 YYWW" or newer  
have 5 volt tolerant inputs.  
5 Volt Tolerant Inputs  
2.97 to 5.5 Volt Operation  
Pin-to-pin compatible to Exar’s ST16C2450,  
ST16C2550,  
XR16C2850  
XR16L2550,  
XR16L2750  
and  
Pin-to-pin compatible to TI’s TL16C752B on the 48-  
TQFP package  
2 independent UART channels  
Up to 1.5 Mbps data rate with a 24 MHz crystal  
oscillator or external clock frequency  
1 byte Transmit FIFO  
1 byte Receive FIFO with error tags  
Status report registers  
APPLICATIONS  
Modem control signals (CTS#, RTS#, DSR#,  
Portable Appliances  
DTR#, RI#, CD#)  
Telecommunication Network Routers  
Ethernet Network Routers  
Programmable character lengths (5, 6, 7, 8)  
with even, odd, or no parity  
Cellular Data Devices  
Crystal oscillator or external clock input  
TTL compatible inputs, outputs  
Industrial temperature ranges  
Factory Automation and Process Controls  
48-TQFP and 44-PLCC packages  
IGURE  
LOCK IAGRAM  
F
1. ST16C2450 B  
D
2.25 to 5.5 Volt VCC  
A2:A0  
D7:D0  
GND  
IOR#  
IOW#  
UART Channel A  
TXA, RXA, DTRA#,  
16 Byte TX FIFO  
CSA#  
CSB#  
INTA  
INTB  
UART  
DSRA#, RTSA#,  
DTSA#, CDA#, RIA#,  
OP2A#  
Regs  
TX & RX  
8-bit Data  
Bus  
Interface  
BRG  
16 Byte RX FIFO  
TXB, RXB, DTRB#,  
DSRB#, RTSB#,  
CTSB#, CDB#, RIB#,  
OP2B#  
UART Channel B  
(same as Channel A)  
Reset  
XTAL1  
XTAL2  
Crystal Osc/Buffer  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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