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參數(shù)資料
| 型號： | DS21Q348N |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 9/76頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/E1/J1 QUAD 3.3V 144BGA |
| 標準包裝： | 90 |
| 類型： | 線路接口裝置（LIU） |
| 規(guī)程： | E1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 144-BBGA |
| 供應(yīng)商設(shè)備封裝： | 144-PBGA（17x17） |
| 包裝： | 管件 |
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DS21348/DS21Q348
17 of 76
NAME
PIN
I/O
FUNCTION
RCLK
40
O
Receive Clock. Buffered recovered clock from the line.
Synchronous to MCLK in absence of signal at RTIP and RRING.
RCL/LOTC
25
O
Receive Carrier Loss/Loss of Transmit Clock. An output which
will toggle high during a receive carrier loss (CCR2.7 = 0) or will
toggle high if the TCLK pin has not been toggled for 5
s ± 2s
(CCR2.7 = 1). CCR2.7 defaults to logic 0 when in hardware mode.
RNEG
39
O
Receive Negative Data. Updated on the rising edge (CCR2.0 = 0)
or the falling edge (CCR2.0 = 1) of RCLK with the bipolar data out
of the line interface. Set NRZE (CCR1.6) to a one for NRZ
applications. In NRZ mode, data will be output on RPOS while a
received error will cause a positive-going pulse synchronous with
RCLK at RNEG. See Section 6.4 for details.
RPOS
38
O
Receive Positive Data. Updated on the rising edge (CCR2.0 = 0) or
the falling edge (CCR2.0 = 1) of RCLK with bipolar data out of the
line interface. Set NRZE (CCR1.6) to a one for NRZ applications. In
NRZ mode, data will be output on RPOS while a received error will
cause a positive-going pulse synchronous with RCLK at RNEG. See
Section 6.4 for details.
RTIP/
RRING
27/28
I
Receive Tip and Ring. Analog inputs for clock recovery circuitry.
These pins connect via a 1:1 transformer to the line. See Section 5
for details.
SCLK
5
I
Serial Clock. Serial bus clock input.
SDI
6
I
Serial Data Input. Sampled on rising edge (ICES = 0) or the falling
edge (ICES = 1) of SCLK.
SDO
7
O
Serial Data Output. Valid on the falling edge (OCES = 0) or the
rising edge (OCES = 1) of SCLK.
TCLK
43
I
Transmit Clock. A 2.048MHz or 1.544MHz primary clock. Used to
clock data through the transmit side formatter. Can be sourced
internally by MCLK or RCLK. See Common Control Register 1 and
TEST
26
I
Tri-State Control. Set high to tri-state all outputs and I/O pins
(including the parallel control port). Set low for normal operation.
Useful in board-level testing.
TNEG
42
I
Transmit Negative Data. Sampled on the falling edge (CCR2.1 =
0) or the rising edge (CCR2.1 = 1) of TCLK for data to be
transmitted out onto the line.
TPOS
41
I
Transmit Positive Data. Sampled on the falling edge (CCR2.1 = 0)
or the rising edge (CCR2.1 = 1) of TCLK for data to be transmitted
out onto the line.
TTIP/TRIN
G
34/37
O
Transmit Tip and Ring [TTIP and TRING]. Analog line-driver
outputs. These pins connect via a step-up transformer to the line.
See Section 5 for details.
VDD
21/36
—
Positive Supply. 3.3V ±5%
VSM
20
I
Voltage Supply Mode. Should be tied low for 3.3V operation.
VSS
22/35
—
Signal Ground
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS21Q348NB | 功能描述:網(wǎng)絡(luò)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21Q348-W | 功能描述:網(wǎng)絡(luò)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21Q352 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/E1 Transceiver 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21Q352B | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/E1 Transceiver 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21Q352B+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3/5V Quad T1/E1 Transceiver 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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