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| 型号： | MAX9209EUM+TD |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/18页 |
| 文件大小： | 0K |
| 描述： | IC SERIALIZER PROG 48-TSSOP |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 串行器 |
| 数据速率： | 1.785Gbps |
| 输入类型： | LVTTL/LVCMOS |
| 输出类型： | LVDS |
| 输入数： | 21 |
| 输出数： | 3 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-TFSOP（0.240"，6.10mm 宽） |
| 供应商设备封装： | 48-TSSOP |
| 包装： | 带卷 (TR) |
MAX9209/MAX9213
Programmable DC-Balanced
21-Bit Serializers
_______________________________________________________________________________________
9
Detailed Description
The MAX9209 operates at a parallel clock frequency of
8MHz to 34MHz in DC-balanced mode and 10MHz to
40MHz in non-DC-balanced mode. The MAX9213 oper-
ates at a parallel clock frequency of 16MHz to 66MHz
in DC-balanced mode and 20MHz to 85MHz in non-
DC-balanced mode.
DC-balanced or non-DC-balanced operation is con-
trolled by the DCB/NC pin (see Table 1). In non-DC-
balanced mode, each channel serializes 7 bits every
cycle of the parallel clock. In DC-balanced mode, 9 bits
are serialized every clock cycle (7 data bits + 2 DC-bal-
ance bits). The highest data rate in DC-balanced mode
for the MAX9213 is 66MHz x 9 = 594Mbps. In non-DC-
balanced mode, the maximum data rate is 85MHz x 7 =
595Mbps. A bit time is 1 divided by the data rate, for
example, 1 / 595Mbps = 1.68ns.
DC Balance
Through data coding, the DC-balance circuits limit the
imbalance of ones and zeros transmitted on each chan-
nel. If +1 is assigned to each binary one transmitted
and -1 is assigned to each binary zero transmitted, the
variation in the running sum of assigned values is
called the digital sum variation (DSV). The maximum
DSV for the MAX9209/MAX9213 data channels is 10. At
most, 10 more zeros than ones, or 10 more ones than
zeros, are transmitted. The maximum DSV for the clock
channel is 5. Limiting the DSV and choosing the correct
coupling capacitors maintain differential signal amplitude
and reduce jitter due to droop on AC-coupled links.
TxIN15
TxIN14
TxIN20
TxIN19
TxIN18
TxIN17
TxIN16
TxIN15
TxIN14
TxIN8
TxIN7
TxIN13
TxIN12
TxIN11
TxIN10
TxIN9
TxIN8
TxIN7
TxIN1
TxIN0
TxIN6
TxIN5
TxIN4
TxIN3
TxIN2
TxIN1
TxIN0
CYCLE N - 1
CYCLE N
TPPos0
TPPos1
TPPos2
TPPos3
TPPos4
TPPos5
TPPos6
TxCLK OUT
(DIFFERENTIAL)
TxOUT2
(SINGLE ENDED)
TxOUT1
(SINGLE ENDED)
TxOUT0
(SINGLE ENDED)
Figure 5. Non-DC-Balanced Mode LVDS Output Pulse Position Measurement
DEVICE
DCB/NC
OPERATING
MODE
OPERATING
FREQUENCY
(MHz)
High or open
DC balanced
8 to 34
MAX9209
Low
Non-DC
balanced
10 to 40
High or open
DC balanced
16 to 66
MAX9213
Low
Non-DC
balanced
20 to 85
Table 1. DC-Balance Programming
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9209EVKIT+ | 功能描述:界面开发工具 MAX9209/44 Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| MAX9209GUM | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable DC-Balanced 21-Bit Serializers |
| MAX9209GUM+ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable DC-Balanced 21-Bit Serializers |
| MAX9209GUM+D | 功能描述:串行器/解串器 - Serdes 21-Bit Bus LVDS Serializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
| MAX9209GUM+TD | 功能描述:串行器/解串器 - Serdes 21-Bit Bus LVDS Serializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
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