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參數(shù)資料
| 型號： | DS21FF44 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 34/117頁 |
| 文件大小： | 0K |
| 描述： | IC FRAMER E1 4X4 16CH 300-BGA |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 40 |
| 控制器類型： | E1 調幀器 |
| 接口： | 并行/串行 |
| 電源電壓： | 2.97 V ~ 3.63 V |
| 電流 - 電源： | 300mA |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 300-BBGA |
| 供應商設備封裝： | 300-PBGA（27x27） |
| 包裝： | 管件 |
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DS21FT44/DS21FF44
23 of 117
Signal Name:
RMSYNC
Signal Description:
Receive Multiframe Sync
Signal Type:
Output
An extracted pulse, one RSYSCLK wide, is output at this pin, which identifies multiframe boundaries. If
the receive side elastic store is disabled, then this output will output multiframe boundaries associated
with RCLK. This function is available when FMS = 1 (DS21Q43 emulation). This signal is not bonded
out in the DS21FF44/DS21FT44.
Signal Name:
RSYSCLK
Signal Description:
Receive System Clock
Signal Type:
Input
1.544MHz or 2.048MHz clock. Only used when the elastic store function is enabled. Should be
connected low in applications that do not use the elastic store. Can be burst at rates up to 8.192MHz. This
pin is connected to the TSYSCLK signal in the DS21FF44/DS21FT44.
Signal Name:
RSIG
Signal Description:
Receive Signaling Output
Signal Type:
Output
Outputs signaling bits in a PCM format. Updated on rising edges of RCLK when the receive side elastic
store is disabled. Updated on the rising edges of RSYSCLK when the receive side elastic store is enabled.
This function is available when FMS = 0. FMS is connected to ground for the DS21FF44/DS21FT44.
Signal Name:
RLOS/LOTC
Signal Description:
Receive Loss of Sync / Loss of Transmit Clock
Signal Type:
Output
A dual function output that is controlled by the TCR2.0 control bit. This pin can be programmed to either
toggle high when the synchronizer is searching for the frame and multiframe or to toggle high if the
TCLK pin has not been toggled for 5s. This function is available when FMS = 1 (DS21Q43 emulation).
This signal is not bonded out in the DS21FF44/DS21FT44.
Signal Name:
CLKSI
Signal Description:
8MHz Clock Reference
Signal Type:
Input
A 2.048MHz reference clock used in the generation of 8MCLK. This function is available when
FMS = 0. FMS is connected to ground for the DS21FF44/DS21FT44.
Signal Name:
8MCLK
Signal Description:
8 MHz Clock
Signal Type:
Output
An 8.192MHz output clock that is referenced to the clock that is input at the CLKSI pin. This function is
available when FMS = 0. FMS is connected to ground for the DS21FF44/DS21FT44.
Signal Name:
RPOS
Signal Description:
Receive Positive Data Input
Signal Type:
Input
Sampled on the falling edge of RCLK for data to be clocked through the receive side framer. RPOS and
RNEG can be connected together for an NRZ interface. Connecting RPOS to RNEG disables the bipolar
violation monitoring circuitry.
相關PDF資料 |
PDF描述 |
|---|---|
| DS21FT44N+ | IC FRAMER 4X4 16CH 300-BGA |
| DS21Q352B | IC TXRX QUAD T1/E1 3.3V 256-BGA |
| DS21Q41BT | IC FRAMER T1 QUAD 128-TQFP |
| DS21Q42T+ | IC FRAMER ENHANCED T1 4X 128TQFP |
| DS21Q43-ATN | IC FRAMER E1 QUAD 5V 128-TQFP |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS21FF44N | 功能描述:網(wǎng)絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品: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 |
| DS21FT40 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Four x Three 12 Channel E1 Framer |
| DS21FT40N | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS21FT42 | 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 |
| 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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