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參數(shù)資料
| 型號： | XR16L2550IJ-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 34/44頁 |
| 文件大小： | 0K |
| 描述： | IC UART FIFO 16B DUAL 44PLCC |
| 標準包裝： | 27 |
| 特點： | * |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 16 字節(jié) |
| 規(guī)程： | RS232 |
| 電源電壓： | 2.25 V ~ 5.5 V |
| 帶自動流量控制功能： | 是 |
| 帶IrDA 編碼器/解碼器： | 是 |
| 帶故障啟動位檢測功能： | 是 |
| 帶調制解調器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LCC（J 形引線） |
| 供應商設備封裝： | 44-PLCC（16.59x16.59） |
| 包裝： | 管件 |
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XR16L2550
4
LOW VOLTAGE DUART WITH 16-BYTE FIFO
REV. 1.1.3
TXRDYB#
-
12
6
O
UART channel B Transmitter Ready (active low). The output pro-
vides the TX FIFO/THR status for transmit channel B. If it is not
used, leave it unconnected.
RXRDYB#
-
23
18
O
UART channel B Receiver Ready (active low). This output pro-
vides the RX FIFO/RHR status for receive channel B. If it is not
used, leave it unconnected.
MODEM OR SERIAL I/O INTERFACE
TXA
5
13
7
O
UART channel A Transmit Data. If it is not used, leave it uncon-
nected.
RXA
4
11
5
I
UART channel A Receive Data. Normal receive data input must
idle at logic 1 condition. If it is not used, tie it to VCC or pull it high
via a 100k ohm resistor.
RTSA#
23
36
33
O
UART channel A Request-to-Send (active low) or general pur-
pose output. This output must be asserted prior to using auto
RTS flow control, see EFR[6], MCR[1] and IER[6]. If it is not
used, leave it unconnected.
CTSA#
25
40
38
I
UART channel A Clear-to-Send (active low) or general purpose
input. It can be used for auto CTS flow control, see EFR[7] and
IER[7]. This input should be connected to VCC when not used.
DTRA#
-
37
34
O
UART channel A Data-Terminal-Ready (active low) or general
purpose output. If it is not used, leave it unconnected.
DSRA#
-
41
39
I
UART channel A Data-Set-Ready (active low) or general purpose
input. This input should be connected to VCC when not used.
This input has no effect on the UART.
CDA#
-
42
40
I
UART channel A Carrier-Detect (active low) or general purpose
input. This input should be connected to VCC when not used.
This input has no effect on the UART.
RIA#
-
43
41
I
UART channel A Ring-Indicator (active low) or general purpose
input. This input should be connected to VCC when not used.
This input has no effect on the UART.
OP2A#
-
35
32
O
Output Port 2 Channel A - The output state is defined by the user
and through the software setting of MCR[3]. INTA is set to the
active mode and OP2A# output to a logic 0 when MCR[3] is set to
a logic 1. INTA is set to the three state mode and OP2A# to a
logic 1 when MCR[3] is set to a logic 0. This output should not be
used as a general output else it will disturb the INTA output func-
tionality. If it is not used at all, leave it unconnected.
TXB
6
14
8
O
UART channel B Transmit Data. If it is not used, leave it uncon-
nected.
RXB
3
10
4
I
UART channel B Receive Data. Normal receive data input must
idle at logic 1 condition. If it is not used, tie it to VCC or pull it high
via a 100k ohm resistor.
Pin Description
NAME
32-QFN
PIN #
44-PLCC
PIN #
48-TQFP
PIN #
TYPE
DESCRIPTION
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XR16L2550IL | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR16L2550IL-0A-EB | 功能描述:UART 接口集成電路 Supports L2550 32pin QFN, ISA Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR16L2550IL-0B-EB | 功能描述:UART 接口集成電路 Supports L2550 32pin QFN, PCI Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR16L2550IL-F | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR16L2550ILTR-F | 制造商:Exar Corporation 功能描述:UART 2-CH 16Byte FIFO 2.5V/3.3V/5V 32-Pin QFN EP T/R 制造商:Exar Corporation 功能描述:XR16L2550ILTR-F |
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