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參數(shù)資料
| 型號： | DS2149Q+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/J1 5V 28-PLCC |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 37 |
| 類型： | 線路接口裝置（LIU） |
| 規(guī)程： | T1/J1 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應商設備封裝： | 28-PLCC（11.51x11.51） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1429 (CN2011-ZH PDF) |
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DS2149
13 of 32
SR (B010101): Status Register
MSb
LSb
—
DFMO
—
QRSS
AIS
NLOOP
RCL
SYMBOL
POSITION
FUNCTION
—
SR.7
—
SR.6
—
DFMO
SR.5
Set when transmitter detects open circuit.
—
SR.4
—
QRSS
SR.3
Set when the QRSS pattern is present at the receiver.
AIS
SR.2
Set when the AIS pattern is present at the receiver.
NLOOP
SR.1
Set when the in-band loop-up code is present at the receiver.
RCL
SR.0
Set when receiver has detected consecutive s set forth by CR4.2.
Cleared when the receiver detects 14 1s in a window of 112 clock
cycles.
IR (B010110): Information Register
MSb
LSb
RL3
RL2
RL1
RL0
LUP
LDN
TSCD
LOTC
SYMBOL
POSITION
FUNCTION
RL3
IR.7
—
RL2
IR.6
—
RL1
IR.5
—
RL0
IR.4
—
LUP
IR.3
Set when in-band loop-up code is being received.
LDN
IR.2
Set when in-band loop-down code is being received.
TSCD
IR.1
Set when transmitter detects a short circuit.
LOTC
IR.0
Set when TCLK has not transitioned for approximately 5
ms.
Receive Level Indication: RL0 is the LSB and RL3 is the MSB of a 4-bit nibble that is used to indicate the inbound
signal strength. Convert the binary to decimal and multiply by -2.5dB. The result indicates the approximate
attenuation seen at the receiver inputs.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS2149Q/T&R | 制造商:Maxim Integrated Products 功能描述:5V T1/E1 LIU T&R COMM - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC LINE INTERFACE 5V T1/E1 PLCC |
| DS2149Q/T&R+ | 制造商:Maxim Integrated Products 功能描述:FRAMER J1/T1 5V 28PLCC - Tape and Reel |
| DS2149Q/T&R | 功能描述:網(wǎng)絡控制器與處理器 IC 5V T1/J1 Line Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS2149Q+ | 功能描述:網(wǎng)絡控制器與處理器 IC 5V T1/J1 Line Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS2149Q+T&R | 制造商:Maxim Integrated Products 功能描述:FRAMER J1/T1 5V 28PLCC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC LIU T1/J1 5V 28-PLCC |
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