ST16C2450IQ48-F

更新时间： 2024-01-15 00:22:40

品牌	Logo	应用领域
艾科嘉 - EXAR		外围集成电路
页数	文件大小	规格书
29页	298K
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中文翻译

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数据手册
替代型号

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ST16C2450IQ48-F 数据手册

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

1. ST16C2450 B

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

12 3 4 5 6 7...29

中文翻译

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ST16C2450IQ48-F 替代型号

型号	品牌	替代类型	描述	数据表
ST16C2550IQ48-F	EXAR	完全替代	Up to 4 Mbps with external clock of 64 MHz
ST16C2550IJ44-F	EXAR	类似代替	Serial I/O Controller, 2 Channel(s), 0.5MBps, CMOS, PQCC44, GREEN, PLASTIC, LCC-44
ST16C2450IJ44-F	EXAR	类似代替	Serial I/O Controller, 2 Channel(s), 0.1875MBps, CMOS, PQCC44, GREEN, PLASTIC, LCC-44

与ST16C2450IQ48-F相关器件

型号	品牌	获取价格	描述	数据表
ST16C2451	EXAR	获取价格	2.97V TO 5.5V DUART
ST16C2550	EXAR	获取价格	DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
ST16C2550_04	EXAR	获取价格	2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550CJ44	EXAR	获取价格	DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
ST16C2550CJ44-F	EXAR	获取价格	Serial I/O Controller, 2 Channel(s), 0.5MBps, CMOS, PQCC44, GREEN, PLASTIC, LCC-44
ST16C2550CJ44TR-F	EXAR	获取价格	Serial I/O Controller, CMOS, PQCC44,
ST16C2550CP40	EXAR	获取价格	DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
ST16C2550CQ48	EXAR	获取价格	DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
ST16C2550CQ48-F	EXAR	获取价格	Serial I/O Controller, 2 Channel(s), 0.5MBps, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, GREEN,
ST16C2550IJ44	EXAR	获取价格	DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S

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