參數(shù)資料
型號： DS21FT42
元件分類： 通信及網(wǎng)絡
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù)： 21/145頁
文件大?。?/td> 466K
代理商： DS21FT42
DALLAS SEMICONDUCTOR
DS21FF42/DS21FT42
101899
/1231
Signal Name:
Signal Description:
Signal Type:
1.544 MHz or 2.048 MHz clock. Only used when the transmit side elastic store function is
enabled. Should be tied low in applications that do not use the transmit side elastic store.
Can be burst at rates up to 8.192 MHz.
This pin is tied to the RSYSCLK signal in the
DS21FF42/DS21FT42.
TSYSCLK
Transmit System Clock
Input
Signal Name:
Signal Description:
Signal Type:
4 KHz or 2 KHz (ZBTSI) demand clock for the TLINK input. See Section 19 for details.
This signal is not bonded out in the DS21FF42/DS21FT42.
TLCLK
Transmit Link Clock
Output
Signal Name:
Signal Description:
Signal Type:
If enabled via TCR1.2, this pin will be sampled on the falling edge of TCLK for data
insertion into either the FDL stream (ESF) or the Fs–bit position (D4) or the Z–bit position
(ZBTSI). See Section 19 for details.
This signal is not bonded out in the
DS21FF42/DS21FT42.
TLINK
Transmit Link Data
Input
Signal Name:
Signal Description:
Signal Type:
A pulse at this pin will establish either frame or multiframe boundaries for the transmit side.
Via TCR2.2, the DS21Q42 can be programmed to output either a frame or multiframe pulse
at this pin. If this pin is set to output pulses at frame boundaries, it can also be set via
TCR2.4 to output double–wide pulses at signaling frames. See Section 24 for details.
TSYNC
Transmit Sync
Input /Output
Signal Name:
Signal Description:
Signal Type:
Only used when the transmit side elastic store is enabled. A pulse at this pin will establish
either frame or multiframe boundaries for the transmit side. Should be tied low in
applications that do not use the transmit side elastic store.
TSSYNC
Transmit System Sync
Input
Signal Name:
Signal Description:
Signal Type:
TSIG
Transmit Signaling Input
Input
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
DS21FT42N 功能描述:網(wǎng)絡控制器與處理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer 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
DS21FT44 功能描述:網(wǎng)絡控制器與處理器 IC 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
DS21FT44+ 功能描述:網(wǎng)絡控制器與處理器 IC 4X3 E1 Framer E1 Framer E1 Framer 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
DS21FT44N 功能描述:網(wǎng)絡控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/E1 Framer 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
DS21FT44N+ 功能描述:網(wǎng)絡控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/E1 Framer 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
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